2020.02.06 02:55:24 ERROR web[AWwXpBlmBetGw3VOIpbj][o.s.s.p.UpdateCenterClient] Fail to connect to update center org.sonar.api.utils.SonarException: Fail to download: https://update.sonarsource.org/update-center.properties (no proxy) at org.sonar.core.util.DefaultHttpDownloader.failToDownload(DefaultHttpDownloader.java:155) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:113) at org.sonar.api.utils.UriReader.readString(UriReader.java:70) at org.sonar.server.plugins.UpdateCenterClient.init(UpdateCenterClient.java:99) at org.sonar.server.plugins.UpdateCenterClient.getUpdateCenter(UpdateCenterClient.java:82) at org.sonar.server.plugins.UpdateCenterMatrixFactory.getUpdateCenter(UpdateCenterMatrixFactory.java:44) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePlugins(PluginWSCommons.java:244) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePluginsByKey(PluginWSCommons.java:249) at org.sonar.server.plugins.ws.PendingAction.handle(PendingAction.java:88) at org.sonar.server.ws.WebServiceEngine.execute(WebServiceEngine.java:110) at org.sonar.server.ws.WebServiceFilter.doFilter(WebServiceFilter.java:88) at org.sonar.server.platform.web.MasterServletFilter$GodFilterChain.doFilter(MasterServletFilter.java:126) at org.sonar.server.platform.web.MasterServletFilter.doFilter(MasterServletFilter.java:95) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:87) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:71) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.CacheControlFilter.doFilter(CacheControlFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.SecurityServletFilter.doHttpFilter(SecurityServletFilter.java:76) at org.sonar.server.platform.web.SecurityServletFilter.doFilter(SecurityServletFilter.java:48) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RedirectFilter.doFilter(RedirectFilter.java:61) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.requestid.RequestIdFilter.doFilter(RequestIdFilter.java:63) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RootFilter.doFilter(RootFilter.java:62) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at ch.qos.logback.access.tomcat.LogbackValve.invoke(LogbackValve.java:256) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: java.net.UnknownHostException: update.sonarsource.org at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:666) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) at sun.net.www.protocol.https.HttpsClient.(HttpsClient.java:264) at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:162) at org.sonar.core.util.DefaultHttpDownloader$BaseHttpDownloader$HttpInputSupplier.getInput(DefaultHttpDownloader.java:272) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:111) ... 53 common frames omitted 2020.02.06 02:55:55 ERROR web[AWwXpBlmBetGw3VOIpb9][o.s.s.p.UpdateCenterClient] Fail to connect to update center org.sonar.api.utils.SonarException: Fail to download: https://update.sonarsource.org/update-center.properties (no proxy) at org.sonar.core.util.DefaultHttpDownloader.failToDownload(DefaultHttpDownloader.java:155) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:113) at org.sonar.api.utils.UriReader.readString(UriReader.java:70) at org.sonar.server.plugins.UpdateCenterClient.init(UpdateCenterClient.java:99) at org.sonar.server.plugins.UpdateCenterClient.getUpdateCenter(UpdateCenterClient.java:82) at org.sonar.server.plugins.UpdateCenterMatrixFactory.getUpdateCenter(UpdateCenterMatrixFactory.java:44) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePlugins(PluginWSCommons.java:244) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePluginsByKey(PluginWSCommons.java:249) at org.sonar.server.plugins.ws.PendingAction.handle(PendingAction.java:88) at org.sonar.server.ws.WebServiceEngine.execute(WebServiceEngine.java:110) at org.sonar.server.ws.WebServiceFilter.doFilter(WebServiceFilter.java:88) at org.sonar.server.platform.web.MasterServletFilter$GodFilterChain.doFilter(MasterServletFilter.java:126) at org.sonar.server.platform.web.MasterServletFilter.doFilter(MasterServletFilter.java:95) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:87) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:71) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.CacheControlFilter.doFilter(CacheControlFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.SecurityServletFilter.doHttpFilter(SecurityServletFilter.java:76) at org.sonar.server.platform.web.SecurityServletFilter.doFilter(SecurityServletFilter.java:48) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RedirectFilter.doFilter(RedirectFilter.java:61) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.requestid.RequestIdFilter.doFilter(RequestIdFilter.java:63) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RootFilter.doFilter(RootFilter.java:62) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at ch.qos.logback.access.tomcat.LogbackValve.invoke(LogbackValve.java:256) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: java.net.UnknownHostException: update.sonarsource.org at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:666) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) at sun.net.www.protocol.https.HttpsClient.(HttpsClient.java:264) at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:162) at org.sonar.core.util.DefaultHttpDownloader$BaseHttpDownloader$HttpInputSupplier.getInput(DefaultHttpDownloader.java:272) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:111) ... 53 common frames omitted 2020.02.06 02:57:50 ERROR web[AWwXpBlmBetGw3VOIpdE][o.s.s.p.UpdateCenterClient] Fail to connect to update center org.sonar.api.utils.SonarException: Fail to download: https://update.sonarsource.org/update-center.properties (no proxy) at org.sonar.core.util.DefaultHttpDownloader.failToDownload(DefaultHttpDownloader.java:155) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:113) at org.sonar.api.utils.UriReader.readString(UriReader.java:70) at org.sonar.server.plugins.UpdateCenterClient.init(UpdateCenterClient.java:99) at org.sonar.server.plugins.UpdateCenterClient.getUpdateCenter(UpdateCenterClient.java:82) at org.sonar.server.plugins.UpdateCenterMatrixFactory.getUpdateCenter(UpdateCenterMatrixFactory.java:44) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePlugins(PluginWSCommons.java:244) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePluginsByKey(PluginWSCommons.java:249) at org.sonar.server.plugins.ws.PendingAction.handle(PendingAction.java:88) at org.sonar.server.ws.WebServiceEngine.execute(WebServiceEngine.java:110) at org.sonar.server.ws.WebServiceFilter.doFilter(WebServiceFilter.java:88) at org.sonar.server.platform.web.MasterServletFilter$GodFilterChain.doFilter(MasterServletFilter.java:126) at org.sonar.server.platform.web.MasterServletFilter.doFilter(MasterServletFilter.java:95) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:87) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:71) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.CacheControlFilter.doFilter(CacheControlFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.SecurityServletFilter.doHttpFilter(SecurityServletFilter.java:76) at org.sonar.server.platform.web.SecurityServletFilter.doFilter(SecurityServletFilter.java:48) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RedirectFilter.doFilter(RedirectFilter.java:61) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.requestid.RequestIdFilter.doFilter(RequestIdFilter.java:63) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RootFilter.doFilter(RootFilter.java:62) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at ch.qos.logback.access.tomcat.LogbackValve.invoke(LogbackValve.java:256) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: java.net.UnknownHostException: update.sonarsource.org at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:666) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) at sun.net.www.protocol.https.HttpsClient.(HttpsClient.java:264) at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:162) at org.sonar.core.util.DefaultHttpDownloader$BaseHttpDownloader$HttpInputSupplier.getInput(DefaultHttpDownloader.java:272) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:111) ... 53 common frames omitted 2020.02.06 03:04:32 ERROR web[AWwXpBlmBetGw3VOIpkK][o.s.s.p.UpdateCenterClient] Fail to connect to update center org.sonar.api.utils.SonarException: Fail to download: https://update.sonarsource.org/update-center.properties (no proxy) at org.sonar.core.util.DefaultHttpDownloader.failToDownload(DefaultHttpDownloader.java:155) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:113) at org.sonar.api.utils.UriReader.readString(UriReader.java:70) at org.sonar.server.plugins.UpdateCenterClient.init(UpdateCenterClient.java:99) at org.sonar.server.plugins.UpdateCenterClient.getUpdateCenter(UpdateCenterClient.java:82) at org.sonar.server.plugins.UpdateCenterMatrixFactory.getUpdateCenter(UpdateCenterMatrixFactory.java:44) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePlugins(PluginWSCommons.java:244) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePluginsByKey(PluginWSCommons.java:249) at org.sonar.server.plugins.ws.PendingAction.handle(PendingAction.java:88) at org.sonar.server.ws.WebServiceEngine.execute(WebServiceEngine.java:110) at org.sonar.server.ws.WebServiceFilter.doFilter(WebServiceFilter.java:88) at org.sonar.server.platform.web.MasterServletFilter$GodFilterChain.doFilter(MasterServletFilter.java:126) at org.sonar.server.platform.web.MasterServletFilter.doFilter(MasterServletFilter.java:95) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:87) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:71) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.CacheControlFilter.doFilter(CacheControlFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.SecurityServletFilter.doHttpFilter(SecurityServletFilter.java:76) at org.sonar.server.platform.web.SecurityServletFilter.doFilter(SecurityServletFilter.java:48) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RedirectFilter.doFilter(RedirectFilter.java:61) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.requestid.RequestIdFilter.doFilter(RequestIdFilter.java:63) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RootFilter.doFilter(RootFilter.java:62) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at ch.qos.logback.access.tomcat.LogbackValve.invoke(LogbackValve.java:256) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: java.net.UnknownHostException: update.sonarsource.org at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:666) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) at sun.net.www.protocol.https.HttpsClient.(HttpsClient.java:264) at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:162) at org.sonar.core.util.DefaultHttpDownloader$BaseHttpDownloader$HttpInputSupplier.getInput(DefaultHttpDownloader.java:272) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:111) ... 53 common frames omitted 2020.02.06 03:04:57 ERROR web[AWwXpBlmBetGw3VOIpk3][o.s.s.p.UpdateCenterClient] Fail to connect to update center org.sonar.api.utils.SonarException: Fail to download: https://update.sonarsource.org/update-center.properties (no proxy) at org.sonar.core.util.DefaultHttpDownloader.failToDownload(DefaultHttpDownloader.java:155) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:113) at org.sonar.api.utils.UriReader.readString(UriReader.java:70) at org.sonar.server.plugins.UpdateCenterClient.init(UpdateCenterClient.java:99) at org.sonar.server.plugins.UpdateCenterClient.getUpdateCenter(UpdateCenterClient.java:82) at org.sonar.server.plugins.UpdateCenterMatrixFactory.getUpdateCenter(UpdateCenterMatrixFactory.java:44) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePlugins(PluginWSCommons.java:244) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePluginsByKey(PluginWSCommons.java:249) at org.sonar.server.plugins.ws.PendingAction.handle(PendingAction.java:88) at org.sonar.server.ws.WebServiceEngine.execute(WebServiceEngine.java:110) at org.sonar.server.ws.WebServiceFilter.doFilter(WebServiceFilter.java:88) at org.sonar.server.platform.web.MasterServletFilter$GodFilterChain.doFilter(MasterServletFilter.java:126) at org.sonar.server.platform.web.MasterServletFilter.doFilter(MasterServletFilter.java:95) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:87) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:71) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.CacheControlFilter.doFilter(CacheControlFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.SecurityServletFilter.doHttpFilter(SecurityServletFilter.java:76) at org.sonar.server.platform.web.SecurityServletFilter.doFilter(SecurityServletFilter.java:48) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RedirectFilter.doFilter(RedirectFilter.java:61) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.requestid.RequestIdFilter.doFilter(RequestIdFilter.java:63) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RootFilter.doFilter(RootFilter.java:62) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at ch.qos.logback.access.tomcat.LogbackValve.invoke(LogbackValve.java:256) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: java.net.UnknownHostException: update.sonarsource.org at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:666) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) at sun.net.www.protocol.https.HttpsClient.(HttpsClient.java:264) at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:162) at org.sonar.core.util.DefaultHttpDownloader$BaseHttpDownloader$HttpInputSupplier.getInput(DefaultHttpDownloader.java:272) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:111) ... 53 common frames omitted 2020.02.06 03:05:01 ERROR web[AWwXpBlmBetGw3VOIpk+][o.s.s.p.UpdateCenterClient] Fail to connect to update center org.sonar.api.utils.SonarException: Fail to download: https://update.sonarsource.org/update-center.properties (no proxy) at org.sonar.core.util.DefaultHttpDownloader.failToDownload(DefaultHttpDownloader.java:155) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:113) at org.sonar.api.utils.UriReader.readString(UriReader.java:70) at org.sonar.server.plugins.UpdateCenterClient.init(UpdateCenterClient.java:99) at org.sonar.server.plugins.UpdateCenterClient.getUpdateCenter(UpdateCenterClient.java:82) at org.sonar.server.plugins.UpdateCenterMatrixFactory.getUpdateCenter(UpdateCenterMatrixFactory.java:44) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePlugins(PluginWSCommons.java:244) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePluginsByKey(PluginWSCommons.java:249) at org.sonar.server.plugins.ws.PendingAction.handle(PendingAction.java:88) at org.sonar.server.ws.WebServiceEngine.execute(WebServiceEngine.java:110) at org.sonar.server.ws.WebServiceFilter.doFilter(WebServiceFilter.java:88) at org.sonar.server.platform.web.MasterServletFilter$GodFilterChain.doFilter(MasterServletFilter.java:126) at org.sonar.server.platform.web.MasterServletFilter.doFilter(MasterServletFilter.java:95) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:87) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:71) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.CacheControlFilter.doFilter(CacheControlFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.SecurityServletFilter.doHttpFilter(SecurityServletFilter.java:76) at org.sonar.server.platform.web.SecurityServletFilter.doFilter(SecurityServletFilter.java:48) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RedirectFilter.doFilter(RedirectFilter.java:61) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.requestid.RequestIdFilter.doFilter(RequestIdFilter.java:63) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RootFilter.doFilter(RootFilter.java:62) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at ch.qos.logback.access.tomcat.LogbackValve.invoke(LogbackValve.java:256) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: java.net.UnknownHostException: update.sonarsource.org at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:666) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) at sun.net.www.protocol.https.HttpsClient.(HttpsClient.java:264) at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:162) at org.sonar.core.util.DefaultHttpDownloader$BaseHttpDownloader$HttpInputSupplier.getInput(DefaultHttpDownloader.java:272) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:111) ... 53 common frames omitted 2020.02.06 03:06:53 ERROR web[AWwXpBlmBetGw3VOIpmM][o.s.s.p.UpdateCenterClient] Fail to connect to update center org.sonar.api.utils.SonarException: Fail to download: https://update.sonarsource.org/update-center.properties (no proxy) at org.sonar.core.util.DefaultHttpDownloader.failToDownload(DefaultHttpDownloader.java:155) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:113) at org.sonar.api.utils.UriReader.readString(UriReader.java:70) at org.sonar.server.plugins.UpdateCenterClient.init(UpdateCenterClient.java:99) at org.sonar.server.plugins.UpdateCenterClient.getUpdateCenter(UpdateCenterClient.java:82) at org.sonar.server.plugins.UpdateCenterMatrixFactory.getUpdateCenter(UpdateCenterMatrixFactory.java:44) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePlugins(PluginWSCommons.java:244) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePluginsByKey(PluginWSCommons.java:249) at org.sonar.server.plugins.ws.PendingAction.handle(PendingAction.java:88) at org.sonar.server.ws.WebServiceEngine.execute(WebServiceEngine.java:110) at org.sonar.server.ws.WebServiceFilter.doFilter(WebServiceFilter.java:88) at org.sonar.server.platform.web.MasterServletFilter$GodFilterChain.doFilter(MasterServletFilter.java:126) at org.sonar.server.platform.web.MasterServletFilter.doFilter(MasterServletFilter.java:95) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:87) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:71) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.CacheControlFilter.doFilter(CacheControlFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.SecurityServletFilter.doHttpFilter(SecurityServletFilter.java:76) at org.sonar.server.platform.web.SecurityServletFilter.doFilter(SecurityServletFilter.java:48) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RedirectFilter.doFilter(RedirectFilter.java:61) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.requestid.RequestIdFilter.doFilter(RequestIdFilter.java:63) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RootFilter.doFilter(RootFilter.java:62) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at ch.qos.logback.access.tomcat.LogbackValve.invoke(LogbackValve.java:256) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: java.net.UnknownHostException: update.sonarsource.org at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:666) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) at sun.net.www.protocol.https.HttpsClient.(HttpsClient.java:264) at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:162) at org.sonar.core.util.DefaultHttpDownloader$BaseHttpDownloader$HttpInputSupplier.getInput(DefaultHttpDownloader.java:272) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:111) ... 53 common frames omitted 2020.02.06 03:10:31 ERROR web[AWwXpBlmBetGw3VOIpoZ][o.s.s.p.UpdateCenterClient] Fail to connect to update center org.sonar.api.utils.SonarException: Fail to download: https://update.sonarsource.org/update-center.properties (no proxy) at org.sonar.core.util.DefaultHttpDownloader.failToDownload(DefaultHttpDownloader.java:155) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:113) at org.sonar.api.utils.UriReader.readString(UriReader.java:70) at org.sonar.server.plugins.UpdateCenterClient.init(UpdateCenterClient.java:99) at org.sonar.server.plugins.UpdateCenterClient.getUpdateCenter(UpdateCenterClient.java:82) at org.sonar.server.plugins.UpdateCenterMatrixFactory.getUpdateCenter(UpdateCenterMatrixFactory.java:44) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePlugins(PluginWSCommons.java:244) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePluginsByKey(PluginWSCommons.java:249) at org.sonar.server.plugins.ws.PendingAction.handle(PendingAction.java:88) at org.sonar.server.ws.WebServiceEngine.execute(WebServiceEngine.java:110) at org.sonar.server.ws.WebServiceFilter.doFilter(WebServiceFilter.java:88) at org.sonar.server.platform.web.MasterServletFilter$GodFilterChain.doFilter(MasterServletFilter.java:126) at org.sonar.server.platform.web.MasterServletFilter.doFilter(MasterServletFilter.java:95) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:87) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:71) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.CacheControlFilter.doFilter(CacheControlFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.SecurityServletFilter.doHttpFilter(SecurityServletFilter.java:76) at org.sonar.server.platform.web.SecurityServletFilter.doFilter(SecurityServletFilter.java:48) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RedirectFilter.doFilter(RedirectFilter.java:61) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.requestid.RequestIdFilter.doFilter(RequestIdFilter.java:63) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RootFilter.doFilter(RootFilter.java:62) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at ch.qos.logback.access.tomcat.LogbackValve.invoke(LogbackValve.java:256) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: java.net.UnknownHostException: update.sonarsource.org at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:666) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) at sun.net.www.protocol.https.HttpsClient.(HttpsClient.java:264) at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:162) at org.sonar.core.util.DefaultHttpDownloader$BaseHttpDownloader$HttpInputSupplier.getInput(DefaultHttpDownloader.java:272) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:111) ... 53 common frames omitted 2020.02.06 03:10:46 ERROR web[AWwXpBlmBetGw3VOIpo/][o.s.s.p.UpdateCenterClient] Fail to connect to update center org.sonar.api.utils.SonarException: Fail to download: https://update.sonarsource.org/update-center.properties (no proxy) at org.sonar.core.util.DefaultHttpDownloader.failToDownload(DefaultHttpDownloader.java:155) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:113) at org.sonar.api.utils.UriReader.readString(UriReader.java:70) at org.sonar.server.plugins.UpdateCenterClient.init(UpdateCenterClient.java:99) at org.sonar.server.plugins.UpdateCenterClient.getUpdateCenter(UpdateCenterClient.java:82) at org.sonar.server.plugins.UpdateCenterMatrixFactory.getUpdateCenter(UpdateCenterMatrixFactory.java:44) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePlugins(PluginWSCommons.java:244) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePluginsByKey(PluginWSCommons.java:249) at org.sonar.server.plugins.ws.PendingAction.handle(PendingAction.java:88) at org.sonar.server.ws.WebServiceEngine.execute(WebServiceEngine.java:110) at org.sonar.server.ws.WebServiceFilter.doFilter(WebServiceFilter.java:88) at org.sonar.server.platform.web.MasterServletFilter$GodFilterChain.doFilter(MasterServletFilter.java:126) at org.sonar.server.platform.web.MasterServletFilter.doFilter(MasterServletFilter.java:95) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:87) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:71) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.CacheControlFilter.doFilter(CacheControlFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.SecurityServletFilter.doHttpFilter(SecurityServletFilter.java:76) at org.sonar.server.platform.web.SecurityServletFilter.doFilter(SecurityServletFilter.java:48) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RedirectFilter.doFilter(RedirectFilter.java:61) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.requestid.RequestIdFilter.doFilter(RequestIdFilter.java:63) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RootFilter.doFilter(RootFilter.java:62) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at ch.qos.logback.access.tomcat.LogbackValve.invoke(LogbackValve.java:256) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: java.net.UnknownHostException: update.sonarsource.org at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:666) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) at sun.net.www.protocol.https.HttpsClient.(HttpsClient.java:264) at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:162) at org.sonar.core.util.DefaultHttpDownloader$BaseHttpDownloader$HttpInputSupplier.getInput(DefaultHttpDownloader.java:272) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:111) ... 53 common frames omitted 2020.02.06 03:13:33 ERROR web[AWwXpBlmBetGw3VOIpqt][o.s.s.p.UpdateCenterClient] Fail to connect to update center org.sonar.api.utils.SonarException: Fail to download: https://update.sonarsource.org/update-center.properties (no proxy) at org.sonar.core.util.DefaultHttpDownloader.failToDownload(DefaultHttpDownloader.java:155) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:113) at org.sonar.api.utils.UriReader.readString(UriReader.java:70) at org.sonar.server.plugins.UpdateCenterClient.init(UpdateCenterClient.java:99) at org.sonar.server.plugins.UpdateCenterClient.getUpdateCenter(UpdateCenterClient.java:82) at org.sonar.server.plugins.UpdateCenterMatrixFactory.getUpdateCenter(UpdateCenterMatrixFactory.java:44) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePlugins(PluginWSCommons.java:244) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePluginsByKey(PluginWSCommons.java:249) at org.sonar.server.plugins.ws.PendingAction.handle(PendingAction.java:88) at org.sonar.server.ws.WebServiceEngine.execute(WebServiceEngine.java:110) at org.sonar.server.ws.WebServiceFilter.doFilter(WebServiceFilter.java:88) at org.sonar.server.platform.web.MasterServletFilter$GodFilterChain.doFilter(MasterServletFilter.java:126) at org.sonar.server.platform.web.MasterServletFilter.doFilter(MasterServletFilter.java:95) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:87) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:71) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.CacheControlFilter.doFilter(CacheControlFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.SecurityServletFilter.doHttpFilter(SecurityServletFilter.java:76) at org.sonar.server.platform.web.SecurityServletFilter.doFilter(SecurityServletFilter.java:48) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RedirectFilter.doFilter(RedirectFilter.java:61) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.requestid.RequestIdFilter.doFilter(RequestIdFilter.java:63) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RootFilter.doFilter(RootFilter.java:62) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at ch.qos.logback.access.tomcat.LogbackValve.invoke(LogbackValve.java:256) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: java.net.UnknownHostException: update.sonarsource.org at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:666) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) at sun.net.www.protocol.https.HttpsClient.(HttpsClient.java:264) at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:162) at org.sonar.core.util.DefaultHttpDownloader$BaseHttpDownloader$HttpInputSupplier.getInput(DefaultHttpDownloader.java:272) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:111) ... 53 common frames omitted 2020.02.06 03:14:49 ERROR web[AWwXpBlmBetGw3VOIprd][o.s.s.p.UpdateCenterClient] Fail to connect to update center org.sonar.api.utils.SonarException: Fail to download: https://update.sonarsource.org/update-center.properties (no proxy) at org.sonar.core.util.DefaultHttpDownloader.failToDownload(DefaultHttpDownloader.java:155) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:113) at org.sonar.api.utils.UriReader.readString(UriReader.java:70) at org.sonar.server.plugins.UpdateCenterClient.init(UpdateCenterClient.java:99) at org.sonar.server.plugins.UpdateCenterClient.getUpdateCenter(UpdateCenterClient.java:82) at org.sonar.server.plugins.UpdateCenterMatrixFactory.getUpdateCenter(UpdateCenterMatrixFactory.java:44) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePlugins(PluginWSCommons.java:244) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePluginsByKey(PluginWSCommons.java:249) at org.sonar.server.plugins.ws.PendingAction.handle(PendingAction.java:88) at org.sonar.server.ws.WebServiceEngine.execute(WebServiceEngine.java:110) at org.sonar.server.ws.WebServiceFilter.doFilter(WebServiceFilter.java:88) at org.sonar.server.platform.web.MasterServletFilter$GodFilterChain.doFilter(MasterServletFilter.java:126) at org.sonar.server.platform.web.MasterServletFilter.doFilter(MasterServletFilter.java:95) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:87) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:71) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.CacheControlFilter.doFilter(CacheControlFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.SecurityServletFilter.doHttpFilter(SecurityServletFilter.java:76) at org.sonar.server.platform.web.SecurityServletFilter.doFilter(SecurityServletFilter.java:48) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RedirectFilter.doFilter(RedirectFilter.java:61) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.requestid.RequestIdFilter.doFilter(RequestIdFilter.java:63) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RootFilter.doFilter(RootFilter.java:62) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at ch.qos.logback.access.tomcat.LogbackValve.invoke(LogbackValve.java:256) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: java.net.UnknownHostException: update.sonarsource.org at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:666) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) at sun.net.www.protocol.https.HttpsClient.(HttpsClient.java:264) at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:162) at org.sonar.core.util.DefaultHttpDownloader$BaseHttpDownloader$HttpInputSupplier.getInput(DefaultHttpDownloader.java:272) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:111) ... 53 common frames omitted 2020.02.06 03:16:21 ERROR web[AWwXpBlmBetGw3VOIpsb][o.s.s.p.UpdateCenterClient] Fail to connect to update center org.sonar.api.utils.SonarException: Fail to download: https://update.sonarsource.org/update-center.properties (no proxy) at org.sonar.core.util.DefaultHttpDownloader.failToDownload(DefaultHttpDownloader.java:155) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:113) at org.sonar.api.utils.UriReader.readString(UriReader.java:70) at org.sonar.server.plugins.UpdateCenterClient.init(UpdateCenterClient.java:99) at org.sonar.server.plugins.UpdateCenterClient.getUpdateCenter(UpdateCenterClient.java:82) at org.sonar.server.plugins.UpdateCenterMatrixFactory.getUpdateCenter(UpdateCenterMatrixFactory.java:44) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePlugins(PluginWSCommons.java:244) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePluginsByKey(PluginWSCommons.java:249) at org.sonar.server.plugins.ws.PendingAction.handle(PendingAction.java:88) at org.sonar.server.ws.WebServiceEngine.execute(WebServiceEngine.java:110) at org.sonar.server.ws.WebServiceFilter.doFilter(WebServiceFilter.java:88) at org.sonar.server.platform.web.MasterServletFilter$GodFilterChain.doFilter(MasterServletFilter.java:126) at org.sonar.server.platform.web.MasterServletFilter.doFilter(MasterServletFilter.java:95) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:87) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:71) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.CacheControlFilter.doFilter(CacheControlFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.SecurityServletFilter.doHttpFilter(SecurityServletFilter.java:76) at org.sonar.server.platform.web.SecurityServletFilter.doFilter(SecurityServletFilter.java:48) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RedirectFilter.doFilter(RedirectFilter.java:61) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.requestid.RequestIdFilter.doFilter(RequestIdFilter.java:63) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RootFilter.doFilter(RootFilter.java:62) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at ch.qos.logback.access.tomcat.LogbackValve.invoke(LogbackValve.java:256) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: java.net.UnknownHostException: update.sonarsource.org at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:666) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) at sun.net.www.protocol.https.HttpsClient.(HttpsClient.java:264) at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:162) at org.sonar.core.util.DefaultHttpDownloader$BaseHttpDownloader$HttpInputSupplier.getInput(DefaultHttpDownloader.java:272) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:111) ... 53 common frames omitted 2020.02.06 03:16:37 ERROR web[AWwXpBlmBetGw3VOIpsv][o.s.s.p.UpdateCenterClient] Fail to connect to update center org.sonar.api.utils.SonarException: Fail to download: https://update.sonarsource.org/update-center.properties (no proxy) at org.sonar.core.util.DefaultHttpDownloader.failToDownload(DefaultHttpDownloader.java:155) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:113) at org.sonar.api.utils.UriReader.readString(UriReader.java:70) at org.sonar.server.plugins.UpdateCenterClient.init(UpdateCenterClient.java:99) at org.sonar.server.plugins.UpdateCenterClient.getUpdateCenter(UpdateCenterClient.java:82) at org.sonar.server.plugins.UpdateCenterMatrixFactory.getUpdateCenter(UpdateCenterMatrixFactory.java:44) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePlugins(PluginWSCommons.java:244) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePluginsByKey(PluginWSCommons.java:249) at org.sonar.server.plugins.ws.PendingAction.handle(PendingAction.java:88) at org.sonar.server.ws.WebServiceEngine.execute(WebServiceEngine.java:110) at org.sonar.server.ws.WebServiceFilter.doFilter(WebServiceFilter.java:88) at org.sonar.server.platform.web.MasterServletFilter$GodFilterChain.doFilter(MasterServletFilter.java:126) at org.sonar.server.platform.web.MasterServletFilter.doFilter(MasterServletFilter.java:95) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:87) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:71) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.CacheControlFilter.doFilter(CacheControlFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.SecurityServletFilter.doHttpFilter(SecurityServletFilter.java:76) at org.sonar.server.platform.web.SecurityServletFilter.doFilter(SecurityServletFilter.java:48) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RedirectFilter.doFilter(RedirectFilter.java:61) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.requestid.RequestIdFilter.doFilter(RequestIdFilter.java:63) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RootFilter.doFilter(RootFilter.java:62) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at ch.qos.logback.access.tomcat.LogbackValve.invoke(LogbackValve.java:256) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: java.net.UnknownHostException: update.sonarsource.org at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:666) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) at sun.net.www.protocol.https.HttpsClient.(HttpsClient.java:264) at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:162) at org.sonar.core.util.DefaultHttpDownloader$BaseHttpDownloader$HttpInputSupplier.getInput(DefaultHttpDownloader.java:272) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:111) ... 53 common frames omitted 2020.02.06 03:26:54 ERROR web[AWwXpBlmBetGw3VOIpuZ][o.s.s.p.UpdateCenterClient] Fail to connect to update center org.sonar.api.utils.SonarException: Fail to download: https://update.sonarsource.org/update-center.properties (no proxy) at org.sonar.core.util.DefaultHttpDownloader.failToDownload(DefaultHttpDownloader.java:155) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:113) at org.sonar.api.utils.UriReader.readString(UriReader.java:70) at org.sonar.server.plugins.UpdateCenterClient.init(UpdateCenterClient.java:99) at org.sonar.server.plugins.UpdateCenterClient.getUpdateCenter(UpdateCenterClient.java:82) at org.sonar.server.plugins.UpdateCenterMatrixFactory.getUpdateCenter(UpdateCenterMatrixFactory.java:44) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePlugins(PluginWSCommons.java:244) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePluginsByKey(PluginWSCommons.java:249) at org.sonar.server.plugins.ws.PendingAction.handle(PendingAction.java:88) at org.sonar.server.ws.WebServiceEngine.execute(WebServiceEngine.java:110) at org.sonar.server.ws.WebServiceFilter.doFilter(WebServiceFilter.java:88) at org.sonar.server.platform.web.MasterServletFilter$GodFilterChain.doFilter(MasterServletFilter.java:126) at org.sonar.server.platform.web.MasterServletFilter.doFilter(MasterServletFilter.java:95) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:87) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:71) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.CacheControlFilter.doFilter(CacheControlFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.SecurityServletFilter.doHttpFilter(SecurityServletFilter.java:76) at org.sonar.server.platform.web.SecurityServletFilter.doFilter(SecurityServletFilter.java:48) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RedirectFilter.doFilter(RedirectFilter.java:61) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.requestid.RequestIdFilter.doFilter(RequestIdFilter.java:63) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RootFilter.doFilter(RootFilter.java:62) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at ch.qos.logback.access.tomcat.LogbackValve.invoke(LogbackValve.java:256) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: java.net.UnknownHostException: update.sonarsource.org at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:666) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) at sun.net.www.protocol.https.HttpsClient.(HttpsClient.java:264) at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:162) at org.sonar.core.util.DefaultHttpDownloader$BaseHttpDownloader$HttpInputSupplier.getInput(DefaultHttpDownloader.java:272) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:111) ... 53 common frames omitted 2020.02.06 03:30:55 ERROR web[AWwXpBlmBetGw3VOIpv6][o.s.s.p.UpdateCenterClient] Fail to connect to update center org.sonar.api.utils.SonarException: Fail to download: https://update.sonarsource.org/update-center.properties (no proxy) at org.sonar.core.util.DefaultHttpDownloader.failToDownload(DefaultHttpDownloader.java:155) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:113) at org.sonar.api.utils.UriReader.readString(UriReader.java:70) at org.sonar.server.plugins.UpdateCenterClient.init(UpdateCenterClient.java:99) at org.sonar.server.plugins.UpdateCenterClient.getUpdateCenter(UpdateCenterClient.java:82) at org.sonar.server.plugins.UpdateCenterMatrixFactory.getUpdateCenter(UpdateCenterMatrixFactory.java:44) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePlugins(PluginWSCommons.java:244) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePluginsByKey(PluginWSCommons.java:249) at org.sonar.server.plugins.ws.PendingAction.handle(PendingAction.java:88) at org.sonar.server.ws.WebServiceEngine.execute(WebServiceEngine.java:110) at org.sonar.server.ws.WebServiceFilter.doFilter(WebServiceFilter.java:88) at org.sonar.server.platform.web.MasterServletFilter$GodFilterChain.doFilter(MasterServletFilter.java:126) at org.sonar.server.platform.web.MasterServletFilter.doFilter(MasterServletFilter.java:95) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:87) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:71) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.CacheControlFilter.doFilter(CacheControlFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.SecurityServletFilter.doHttpFilter(SecurityServletFilter.java:76) at org.sonar.server.platform.web.SecurityServletFilter.doFilter(SecurityServletFilter.java:48) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RedirectFilter.doFilter(RedirectFilter.java:61) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.requestid.RequestIdFilter.doFilter(RequestIdFilter.java:63) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RootFilter.doFilter(RootFilter.java:62) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at ch.qos.logback.access.tomcat.LogbackValve.invoke(LogbackValve.java:256) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: java.net.UnknownHostException: update.sonarsource.org at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:666) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) at sun.net.www.protocol.https.HttpsClient.(HttpsClient.java:264) at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:162) at org.sonar.core.util.DefaultHttpDownloader$BaseHttpDownloader$HttpInputSupplier.getInput(DefaultHttpDownloader.java:272) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:111) ... 53 common frames omitted 2020.02.06 03:42:51 ERROR web[AWwXpBlmBetGw3VOIpxg][o.s.s.p.UpdateCenterClient] Fail to connect to update center org.sonar.api.utils.SonarException: Fail to download: https://update.sonarsource.org/update-center.properties (no proxy) at org.sonar.core.util.DefaultHttpDownloader.failToDownload(DefaultHttpDownloader.java:155) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:113) at org.sonar.api.utils.UriReader.readString(UriReader.java:70) at org.sonar.server.plugins.UpdateCenterClient.init(UpdateCenterClient.java:99) at org.sonar.server.plugins.UpdateCenterClient.getUpdateCenter(UpdateCenterClient.java:82) at org.sonar.server.plugins.UpdateCenterMatrixFactory.getUpdateCenter(UpdateCenterMatrixFactory.java:44) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePlugins(PluginWSCommons.java:244) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePluginsByKey(PluginWSCommons.java:249) at org.sonar.server.plugins.ws.PendingAction.handle(PendingAction.java:88) at org.sonar.server.ws.WebServiceEngine.execute(WebServiceEngine.java:110) at org.sonar.server.ws.WebServiceFilter.doFilter(WebServiceFilter.java:88) at org.sonar.server.platform.web.MasterServletFilter$GodFilterChain.doFilter(MasterServletFilter.java:126) at org.sonar.server.platform.web.MasterServletFilter.doFilter(MasterServletFilter.java:95) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:87) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:71) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.CacheControlFilter.doFilter(CacheControlFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.SecurityServletFilter.doHttpFilter(SecurityServletFilter.java:76) at org.sonar.server.platform.web.SecurityServletFilter.doFilter(SecurityServletFilter.java:48) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RedirectFilter.doFilter(RedirectFilter.java:61) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.requestid.RequestIdFilter.doFilter(RequestIdFilter.java:63) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RootFilter.doFilter(RootFilter.java:62) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at ch.qos.logback.access.tomcat.LogbackValve.invoke(LogbackValve.java:256) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: java.net.UnknownHostException: update.sonarsource.org at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:666) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) at sun.net.www.protocol.https.HttpsClient.(HttpsClient.java:264) at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:162) at org.sonar.core.util.DefaultHttpDownloader$BaseHttpDownloader$HttpInputSupplier.getInput(DefaultHttpDownloader.java:272) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:111) ... 53 common frames omitted 2020.02.06 03:43:12 ERROR web[AWwXpBlmBetGw3VOIpx1][o.s.s.p.UpdateCenterClient] Fail to connect to update center org.sonar.api.utils.SonarException: Fail to download: https://update.sonarsource.org/update-center.properties (no proxy) at org.sonar.core.util.DefaultHttpDownloader.failToDownload(DefaultHttpDownloader.java:155) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:113) at org.sonar.api.utils.UriReader.readString(UriReader.java:70) at org.sonar.server.plugins.UpdateCenterClient.init(UpdateCenterClient.java:99) at org.sonar.server.plugins.UpdateCenterClient.getUpdateCenter(UpdateCenterClient.java:82) at org.sonar.server.plugins.UpdateCenterMatrixFactory.getUpdateCenter(UpdateCenterMatrixFactory.java:44) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePlugins(PluginWSCommons.java:244) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePluginsByKey(PluginWSCommons.java:249) at org.sonar.server.plugins.ws.PendingAction.handle(PendingAction.java:88) at org.sonar.server.ws.WebServiceEngine.execute(WebServiceEngine.java:110) at org.sonar.server.ws.WebServiceFilter.doFilter(WebServiceFilter.java:88) at org.sonar.server.platform.web.MasterServletFilter$GodFilterChain.doFilter(MasterServletFilter.java:126) at org.sonar.server.platform.web.MasterServletFilter.doFilter(MasterServletFilter.java:95) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:87) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:71) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.CacheControlFilter.doFilter(CacheControlFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.SecurityServletFilter.doHttpFilter(SecurityServletFilter.java:76) at org.sonar.server.platform.web.SecurityServletFilter.doFilter(SecurityServletFilter.java:48) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RedirectFilter.doFilter(RedirectFilter.java:61) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.requestid.RequestIdFilter.doFilter(RequestIdFilter.java:63) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RootFilter.doFilter(RootFilter.java:62) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at ch.qos.logback.access.tomcat.LogbackValve.invoke(LogbackValve.java:256) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: java.net.UnknownHostException: update.sonarsource.org at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:666) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) at sun.net.www.protocol.https.HttpsClient.(HttpsClient.java:264) at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:162) at org.sonar.core.util.DefaultHttpDownloader$BaseHttpDownloader$HttpInputSupplier.getInput(DefaultHttpDownloader.java:272) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:111) ... 53 common frames omitted 2020.02.06 06:02:05 ERROR web[AWwXpBlmBetGw3VOIqYk][o.s.s.p.UpdateCenterClient] Fail to connect to update center org.sonar.api.utils.SonarException: Fail to download: https://update.sonarsource.org/update-center.properties (no proxy) at org.sonar.core.util.DefaultHttpDownloader.failToDownload(DefaultHttpDownloader.java:155) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:113) at org.sonar.api.utils.UriReader.readString(UriReader.java:70) at org.sonar.server.plugins.UpdateCenterClient.init(UpdateCenterClient.java:99) at org.sonar.server.plugins.UpdateCenterClient.getUpdateCenter(UpdateCenterClient.java:82) at org.sonar.server.plugins.UpdateCenterMatrixFactory.getUpdateCenter(UpdateCenterMatrixFactory.java:44) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePlugins(PluginWSCommons.java:244) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePluginsByKey(PluginWSCommons.java:249) at org.sonar.server.plugins.ws.PendingAction.handle(PendingAction.java:88) at org.sonar.server.ws.WebServiceEngine.execute(WebServiceEngine.java:110) at org.sonar.server.ws.WebServiceFilter.doFilter(WebServiceFilter.java:88) at org.sonar.server.platform.web.MasterServletFilter$GodFilterChain.doFilter(MasterServletFilter.java:126) at org.sonar.server.platform.web.MasterServletFilter.doFilter(MasterServletFilter.java:95) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:87) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:71) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.CacheControlFilter.doFilter(CacheControlFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.SecurityServletFilter.doHttpFilter(SecurityServletFilter.java:76) at org.sonar.server.platform.web.SecurityServletFilter.doFilter(SecurityServletFilter.java:48) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RedirectFilter.doFilter(RedirectFilter.java:61) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.requestid.RequestIdFilter.doFilter(RequestIdFilter.java:63) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RootFilter.doFilter(RootFilter.java:62) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at ch.qos.logback.access.tomcat.LogbackValve.invoke(LogbackValve.java:256) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: java.net.UnknownHostException: update.sonarsource.org at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:666) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) at sun.net.www.protocol.https.HttpsClient.(HttpsClient.java:264) at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:162) at org.sonar.core.util.DefaultHttpDownloader$BaseHttpDownloader$HttpInputSupplier.getInput(DefaultHttpDownloader.java:272) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:111) ... 53 common frames omitted 2020.02.06 10:42:01 ERROR web[AWwXpBlmBetGw3VOIsAq][o.s.s.p.UpdateCenterClient] Fail to connect to update center org.sonar.api.utils.SonarException: Fail to download: https://update.sonarsource.org/update-center.properties (no proxy) at org.sonar.core.util.DefaultHttpDownloader.failToDownload(DefaultHttpDownloader.java:155) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:113) at org.sonar.api.utils.UriReader.readString(UriReader.java:70) at org.sonar.server.plugins.UpdateCenterClient.init(UpdateCenterClient.java:99) at org.sonar.server.plugins.UpdateCenterClient.getUpdateCenter(UpdateCenterClient.java:82) at org.sonar.server.plugins.UpdateCenterMatrixFactory.getUpdateCenter(UpdateCenterMatrixFactory.java:44) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePlugins(PluginWSCommons.java:244) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePluginsByKey(PluginWSCommons.java:249) at org.sonar.server.plugins.ws.PendingAction.handle(PendingAction.java:88) at org.sonar.server.ws.WebServiceEngine.execute(WebServiceEngine.java:110) at org.sonar.server.ws.WebServiceFilter.doFilter(WebServiceFilter.java:88) at org.sonar.server.platform.web.MasterServletFilter$GodFilterChain.doFilter(MasterServletFilter.java:126) at org.sonar.server.platform.web.MasterServletFilter.doFilter(MasterServletFilter.java:95) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:87) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:71) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.CacheControlFilter.doFilter(CacheControlFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.SecurityServletFilter.doHttpFilter(SecurityServletFilter.java:76) at org.sonar.server.platform.web.SecurityServletFilter.doFilter(SecurityServletFilter.java:48) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RedirectFilter.doFilter(RedirectFilter.java:61) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.requestid.RequestIdFilter.doFilter(RequestIdFilter.java:63) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RootFilter.doFilter(RootFilter.java:62) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at ch.qos.logback.access.tomcat.LogbackValve.invoke(LogbackValve.java:256) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: java.net.UnknownHostException: update.sonarsource.org at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:666) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) at sun.net.www.protocol.https.HttpsClient.(HttpsClient.java:264) at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:162) at org.sonar.core.util.DefaultHttpDownloader$BaseHttpDownloader$HttpInputSupplier.getInput(DefaultHttpDownloader.java:272) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:111) ... 53 common frames omitted 2020.02.06 10:48:31 ERROR web[AWwXpBlmBetGw3VOIsH5][o.s.s.p.UpdateCenterClient] Fail to connect to update center org.sonar.api.utils.SonarException: Fail to download: https://update.sonarsource.org/update-center.properties (no proxy) at org.sonar.core.util.DefaultHttpDownloader.failToDownload(DefaultHttpDownloader.java:155) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:113) at org.sonar.api.utils.UriReader.readString(UriReader.java:70) at org.sonar.server.plugins.UpdateCenterClient.init(UpdateCenterClient.java:99) at org.sonar.server.plugins.UpdateCenterClient.getUpdateCenter(UpdateCenterClient.java:82) at org.sonar.server.plugins.UpdateCenterMatrixFactory.getUpdateCenter(UpdateCenterMatrixFactory.java:44) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePlugins(PluginWSCommons.java:244) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePluginsByKey(PluginWSCommons.java:249) at org.sonar.server.plugins.ws.PendingAction.handle(PendingAction.java:88) at org.sonar.server.ws.WebServiceEngine.execute(WebServiceEngine.java:110) at org.sonar.server.ws.WebServiceFilter.doFilter(WebServiceFilter.java:88) at org.sonar.server.platform.web.MasterServletFilter$GodFilterChain.doFilter(MasterServletFilter.java:126) at org.sonar.server.platform.web.MasterServletFilter.doFilter(MasterServletFilter.java:95) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:87) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:71) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.CacheControlFilter.doFilter(CacheControlFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.SecurityServletFilter.doHttpFilter(SecurityServletFilter.java:76) at org.sonar.server.platform.web.SecurityServletFilter.doFilter(SecurityServletFilter.java:48) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RedirectFilter.doFilter(RedirectFilter.java:61) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.requestid.RequestIdFilter.doFilter(RequestIdFilter.java:63) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RootFilter.doFilter(RootFilter.java:62) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at ch.qos.logback.access.tomcat.LogbackValve.invoke(LogbackValve.java:256) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: java.net.UnknownHostException: update.sonarsource.org at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:666) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) at sun.net.www.protocol.https.HttpsClient.(HttpsClient.java:264) at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:162) at org.sonar.core.util.DefaultHttpDownloader$BaseHttpDownloader$HttpInputSupplier.getInput(DefaultHttpDownloader.java:272) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:111) ... 53 common frames omitted 2020.02.06 10:48:34 ERROR web[AWwXpBlmBetGw3VOIsIM][o.s.s.p.UpdateCenterClient] Fail to connect to update center org.sonar.api.utils.SonarException: Fail to download: https://update.sonarsource.org/update-center.properties (no proxy) at org.sonar.core.util.DefaultHttpDownloader.failToDownload(DefaultHttpDownloader.java:155) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:113) at org.sonar.api.utils.UriReader.readString(UriReader.java:70) at org.sonar.server.plugins.UpdateCenterClient.init(UpdateCenterClient.java:99) at org.sonar.server.plugins.UpdateCenterClient.getUpdateCenter(UpdateCenterClient.java:82) at org.sonar.server.plugins.UpdateCenterMatrixFactory.getUpdateCenter(UpdateCenterMatrixFactory.java:44) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePlugins(PluginWSCommons.java:244) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePluginsByKey(PluginWSCommons.java:249) at org.sonar.server.plugins.ws.PendingAction.handle(PendingAction.java:88) at org.sonar.server.ws.WebServiceEngine.execute(WebServiceEngine.java:110) at org.sonar.server.ws.WebServiceFilter.doFilter(WebServiceFilter.java:88) at org.sonar.server.platform.web.MasterServletFilter$GodFilterChain.doFilter(MasterServletFilter.java:126) at org.sonar.server.platform.web.MasterServletFilter.doFilter(MasterServletFilter.java:95) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:87) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:71) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.CacheControlFilter.doFilter(CacheControlFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.SecurityServletFilter.doHttpFilter(SecurityServletFilter.java:76) at org.sonar.server.platform.web.SecurityServletFilter.doFilter(SecurityServletFilter.java:48) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RedirectFilter.doFilter(RedirectFilter.java:61) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.requestid.RequestIdFilter.doFilter(RequestIdFilter.java:63) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RootFilter.doFilter(RootFilter.java:62) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at ch.qos.logback.access.tomcat.LogbackValve.invoke(LogbackValve.java:256) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: java.net.UnknownHostException: update.sonarsource.org at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:666) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) at sun.net.www.protocol.https.HttpsClient.(HttpsClient.java:264) at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:162) at org.sonar.core.util.DefaultHttpDownloader$BaseHttpDownloader$HttpInputSupplier.getInput(DefaultHttpDownloader.java:272) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:111) ... 53 common frames omitted 2020.02.06 10:48:41 ERROR web[AWwXpBlmBetGw3VOIsIg][o.s.s.p.UpdateCenterClient] Fail to connect to update center org.sonar.api.utils.SonarException: Fail to download: https://update.sonarsource.org/update-center.properties (no proxy) at org.sonar.core.util.DefaultHttpDownloader.failToDownload(DefaultHttpDownloader.java:155) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:113) at org.sonar.api.utils.UriReader.readString(UriReader.java:70) at org.sonar.server.plugins.UpdateCenterClient.init(UpdateCenterClient.java:99) at org.sonar.server.plugins.UpdateCenterClient.getUpdateCenter(UpdateCenterClient.java:82) at org.sonar.server.plugins.UpdateCenterMatrixFactory.getUpdateCenter(UpdateCenterMatrixFactory.java:44) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePlugins(PluginWSCommons.java:244) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePluginsByKey(PluginWSCommons.java:249) at org.sonar.server.plugins.ws.PendingAction.handle(PendingAction.java:88) at org.sonar.server.ws.WebServiceEngine.execute(WebServiceEngine.java:110) at org.sonar.server.ws.WebServiceFilter.doFilter(WebServiceFilter.java:88) at org.sonar.server.platform.web.MasterServletFilter$GodFilterChain.doFilter(MasterServletFilter.java:126) at org.sonar.server.platform.web.MasterServletFilter.doFilter(MasterServletFilter.java:95) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:87) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:71) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.CacheControlFilter.doFilter(CacheControlFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.SecurityServletFilter.doHttpFilter(SecurityServletFilter.java:76) at org.sonar.server.platform.web.SecurityServletFilter.doFilter(SecurityServletFilter.java:48) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RedirectFilter.doFilter(RedirectFilter.java:61) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.requestid.RequestIdFilter.doFilter(RequestIdFilter.java:63) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RootFilter.doFilter(RootFilter.java:62) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at ch.qos.logback.access.tomcat.LogbackValve.invoke(LogbackValve.java:256) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: java.net.UnknownHostException: update.sonarsource.org at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:666) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) at sun.net.www.protocol.https.HttpsClient.(HttpsClient.java:264) at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:162) at org.sonar.core.util.DefaultHttpDownloader$BaseHttpDownloader$HttpInputSupplier.getInput(DefaultHttpDownloader.java:272) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:111) ... 53 common frames omitted 2020.02.06 10:49:40 ERROR web[AWwXpBlmBetGw3VOIsK3][o.s.s.p.UpdateCenterClient] Fail to connect to update center org.sonar.api.utils.SonarException: Fail to download: https://update.sonarsource.org/update-center.properties (no proxy) at org.sonar.core.util.DefaultHttpDownloader.failToDownload(DefaultHttpDownloader.java:155) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:113) at org.sonar.api.utils.UriReader.readString(UriReader.java:70) at org.sonar.server.plugins.UpdateCenterClient.init(UpdateCenterClient.java:99) at org.sonar.server.plugins.UpdateCenterClient.getUpdateCenter(UpdateCenterClient.java:82) at org.sonar.server.plugins.UpdateCenterMatrixFactory.getUpdateCenter(UpdateCenterMatrixFactory.java:44) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePlugins(PluginWSCommons.java:244) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePluginsByKey(PluginWSCommons.java:249) at org.sonar.server.plugins.ws.PendingAction.handle(PendingAction.java:88) at org.sonar.server.ws.WebServiceEngine.execute(WebServiceEngine.java:110) at org.sonar.server.ws.WebServiceFilter.doFilter(WebServiceFilter.java:88) at org.sonar.server.platform.web.MasterServletFilter$GodFilterChain.doFilter(MasterServletFilter.java:126) at org.sonar.server.platform.web.MasterServletFilter.doFilter(MasterServletFilter.java:95) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:87) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:71) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.CacheControlFilter.doFilter(CacheControlFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.SecurityServletFilter.doHttpFilter(SecurityServletFilter.java:76) at org.sonar.server.platform.web.SecurityServletFilter.doFilter(SecurityServletFilter.java:48) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RedirectFilter.doFilter(RedirectFilter.java:61) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.requestid.RequestIdFilter.doFilter(RequestIdFilter.java:63) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RootFilter.doFilter(RootFilter.java:62) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at ch.qos.logback.access.tomcat.LogbackValve.invoke(LogbackValve.java:256) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: java.net.UnknownHostException: update.sonarsource.org at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:666) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) at sun.net.www.protocol.https.HttpsClient.(HttpsClient.java:264) at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:162) at org.sonar.core.util.DefaultHttpDownloader$BaseHttpDownloader$HttpInputSupplier.getInput(DefaultHttpDownloader.java:272) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:111) ... 53 common frames omitted 2020.02.06 10:59:35 ERROR web[AWwXpBlmBetGw3VOIsWd][o.s.s.p.UpdateCenterClient] Fail to connect to update center org.sonar.api.utils.SonarException: Fail to download: https://update.sonarsource.org/update-center.properties (no proxy) at org.sonar.core.util.DefaultHttpDownloader.failToDownload(DefaultHttpDownloader.java:155) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:113) at org.sonar.api.utils.UriReader.readString(UriReader.java:70) at org.sonar.server.plugins.UpdateCenterClient.init(UpdateCenterClient.java:99) at org.sonar.server.plugins.UpdateCenterClient.getUpdateCenter(UpdateCenterClient.java:82) at org.sonar.server.plugins.UpdateCenterMatrixFactory.getUpdateCenter(UpdateCenterMatrixFactory.java:44) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePlugins(PluginWSCommons.java:244) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePluginsByKey(PluginWSCommons.java:249) at org.sonar.server.plugins.ws.PendingAction.handle(PendingAction.java:88) at org.sonar.server.ws.WebServiceEngine.execute(WebServiceEngine.java:110) at org.sonar.server.ws.WebServiceFilter.doFilter(WebServiceFilter.java:88) at org.sonar.server.platform.web.MasterServletFilter$GodFilterChain.doFilter(MasterServletFilter.java:126) at org.sonar.server.platform.web.MasterServletFilter.doFilter(MasterServletFilter.java:95) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:87) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:71) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.CacheControlFilter.doFilter(CacheControlFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.SecurityServletFilter.doHttpFilter(SecurityServletFilter.java:76) at org.sonar.server.platform.web.SecurityServletFilter.doFilter(SecurityServletFilter.java:48) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RedirectFilter.doFilter(RedirectFilter.java:61) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.requestid.RequestIdFilter.doFilter(RequestIdFilter.java:63) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RootFilter.doFilter(RootFilter.java:62) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at ch.qos.logback.access.tomcat.LogbackValve.invoke(LogbackValve.java:256) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: java.net.UnknownHostException: update.sonarsource.org at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:666) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) at sun.net.www.protocol.https.HttpsClient.(HttpsClient.java:264) at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:162) at org.sonar.core.util.DefaultHttpDownloader$BaseHttpDownloader$HttpInputSupplier.getInput(DefaultHttpDownloader.java:272) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:111) ... 53 common frames omitted 2020.02.06 11:24:28 ERROR web[AWwXpBlmBetGw3VOIskk][o.s.s.p.UpdateCenterClient] Fail to connect to update center org.sonar.api.utils.SonarException: Fail to download: https://update.sonarsource.org/update-center.properties (no proxy) at org.sonar.core.util.DefaultHttpDownloader.failToDownload(DefaultHttpDownloader.java:155) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:113) at org.sonar.api.utils.UriReader.readString(UriReader.java:70) at org.sonar.server.plugins.UpdateCenterClient.init(UpdateCenterClient.java:99) at org.sonar.server.plugins.UpdateCenterClient.getUpdateCenter(UpdateCenterClient.java:82) at org.sonar.server.plugins.UpdateCenterMatrixFactory.getUpdateCenter(UpdateCenterMatrixFactory.java:44) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePlugins(PluginWSCommons.java:244) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePluginsByKey(PluginWSCommons.java:249) at org.sonar.server.plugins.ws.PendingAction.handle(PendingAction.java:88) at org.sonar.server.ws.WebServiceEngine.execute(WebServiceEngine.java:110) at org.sonar.server.ws.WebServiceFilter.doFilter(WebServiceFilter.java:88) at org.sonar.server.platform.web.MasterServletFilter$GodFilterChain.doFilter(MasterServletFilter.java:126) at org.sonar.server.platform.web.MasterServletFilter.doFilter(MasterServletFilter.java:95) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:87) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:71) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.CacheControlFilter.doFilter(CacheControlFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.SecurityServletFilter.doHttpFilter(SecurityServletFilter.java:76) at org.sonar.server.platform.web.SecurityServletFilter.doFilter(SecurityServletFilter.java:48) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RedirectFilter.doFilter(RedirectFilter.java:61) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.requestid.RequestIdFilter.doFilter(RequestIdFilter.java:63) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RootFilter.doFilter(RootFilter.java:62) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at ch.qos.logback.access.tomcat.LogbackValve.invoke(LogbackValve.java:256) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: java.net.UnknownHostException: update.sonarsource.org at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:666) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) at sun.net.www.protocol.https.HttpsClient.(HttpsClient.java:264) at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:162) at org.sonar.core.util.DefaultHttpDownloader$BaseHttpDownloader$HttpInputSupplier.getInput(DefaultHttpDownloader.java:272) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:111) ... 53 common frames omitted 2020.02.06 12:22:35 ERROR web[AWwXpBlmBetGw3VOIs8S][o.s.s.p.UpdateCenterClient] Fail to connect to update center org.sonar.api.utils.SonarException: Fail to download: https://update.sonarsource.org/update-center.properties (no proxy) at org.sonar.core.util.DefaultHttpDownloader.failToDownload(DefaultHttpDownloader.java:155) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:113) at org.sonar.api.utils.UriReader.readString(UriReader.java:70) at org.sonar.server.plugins.UpdateCenterClient.init(UpdateCenterClient.java:99) at org.sonar.server.plugins.UpdateCenterClient.getUpdateCenter(UpdateCenterClient.java:82) at org.sonar.server.plugins.UpdateCenterMatrixFactory.getUpdateCenter(UpdateCenterMatrixFactory.java:44) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePlugins(PluginWSCommons.java:244) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePluginsByKey(PluginWSCommons.java:249) at org.sonar.server.plugins.ws.PendingAction.handle(PendingAction.java:88) at org.sonar.server.ws.WebServiceEngine.execute(WebServiceEngine.java:110) at org.sonar.server.ws.WebServiceFilter.doFilter(WebServiceFilter.java:88) at org.sonar.server.platform.web.MasterServletFilter$GodFilterChain.doFilter(MasterServletFilter.java:126) at org.sonar.server.platform.web.MasterServletFilter.doFilter(MasterServletFilter.java:95) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:87) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:71) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.CacheControlFilter.doFilter(CacheControlFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.SecurityServletFilter.doHttpFilter(SecurityServletFilter.java:76) at org.sonar.server.platform.web.SecurityServletFilter.doFilter(SecurityServletFilter.java:48) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RedirectFilter.doFilter(RedirectFilter.java:61) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.requestid.RequestIdFilter.doFilter(RequestIdFilter.java:63) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RootFilter.doFilter(RootFilter.java:62) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at ch.qos.logback.access.tomcat.LogbackValve.invoke(LogbackValve.java:256) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: java.net.UnknownHostException: update.sonarsource.org at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:666) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) at sun.net.www.protocol.https.HttpsClient.(HttpsClient.java:264) at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:162) at org.sonar.core.util.DefaultHttpDownloader$BaseHttpDownloader$HttpInputSupplier.getInput(DefaultHttpDownloader.java:272) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:111) ... 53 common frames omitted 2020.02.06 16:01:02 ERROR web[AWwXpBlmBetGw3VOItHw][o.s.s.p.UpdateCenterClient] Fail to connect to update center org.sonar.api.utils.SonarException: Fail to download: https://update.sonarsource.org/update-center.properties (no proxy) at org.sonar.core.util.DefaultHttpDownloader.failToDownload(DefaultHttpDownloader.java:155) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:113) at org.sonar.api.utils.UriReader.readString(UriReader.java:70) at org.sonar.server.plugins.UpdateCenterClient.init(UpdateCenterClient.java:99) at org.sonar.server.plugins.UpdateCenterClient.getUpdateCenter(UpdateCenterClient.java:82) at org.sonar.server.plugins.UpdateCenterMatrixFactory.getUpdateCenter(UpdateCenterMatrixFactory.java:44) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePlugins(PluginWSCommons.java:244) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePluginsByKey(PluginWSCommons.java:249) at org.sonar.server.plugins.ws.PendingAction.handle(PendingAction.java:88) at org.sonar.server.ws.WebServiceEngine.execute(WebServiceEngine.java:110) at org.sonar.server.ws.WebServiceFilter.doFilter(WebServiceFilter.java:88) at org.sonar.server.platform.web.MasterServletFilter$GodFilterChain.doFilter(MasterServletFilter.java:126) at org.sonar.server.platform.web.MasterServletFilter.doFilter(MasterServletFilter.java:95) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:87) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:71) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.CacheControlFilter.doFilter(CacheControlFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.SecurityServletFilter.doHttpFilter(SecurityServletFilter.java:76) at org.sonar.server.platform.web.SecurityServletFilter.doFilter(SecurityServletFilter.java:48) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RedirectFilter.doFilter(RedirectFilter.java:61) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.requestid.RequestIdFilter.doFilter(RequestIdFilter.java:63) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RootFilter.doFilter(RootFilter.java:62) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at ch.qos.logback.access.tomcat.LogbackValve.invoke(LogbackValve.java:256) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: java.net.UnknownHostException: update.sonarsource.org at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:666) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) at sun.net.www.protocol.https.HttpsClient.(HttpsClient.java:264) at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:162) at org.sonar.core.util.DefaultHttpDownloader$BaseHttpDownloader$HttpInputSupplier.getInput(DefaultHttpDownloader.java:272) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:111) ... 53 common frames omitted 2020.02.06 17:27:04 ERROR web[AWwXpBlmBetGw3VOItM6][o.s.s.p.UpdateCenterClient] Fail to connect to update center org.sonar.api.utils.SonarException: Fail to download: https://update.sonarsource.org/update-center.properties (no proxy) at org.sonar.core.util.DefaultHttpDownloader.failToDownload(DefaultHttpDownloader.java:155) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:113) at org.sonar.api.utils.UriReader.readString(UriReader.java:70) at org.sonar.server.plugins.UpdateCenterClient.init(UpdateCenterClient.java:99) at org.sonar.server.plugins.UpdateCenterClient.getUpdateCenter(UpdateCenterClient.java:82) at org.sonar.server.plugins.UpdateCenterMatrixFactory.getUpdateCenter(UpdateCenterMatrixFactory.java:44) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePlugins(PluginWSCommons.java:244) at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePluginsByKey(PluginWSCommons.java:249) at org.sonar.server.plugins.ws.PendingAction.handle(PendingAction.java:88) at org.sonar.server.ws.WebServiceEngine.execute(WebServiceEngine.java:110) at org.sonar.server.ws.WebServiceFilter.doFilter(WebServiceFilter.java:88) at org.sonar.server.platform.web.MasterServletFilter$GodFilterChain.doFilter(MasterServletFilter.java:126) at org.sonar.server.platform.web.MasterServletFilter.doFilter(MasterServletFilter.java:95) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:87) at org.sonar.server.user.UserSessionFilter.doFilter(UserSessionFilter.java:71) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.CacheControlFilter.doFilter(CacheControlFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.SecurityServletFilter.doHttpFilter(SecurityServletFilter.java:76) at org.sonar.server.platform.web.SecurityServletFilter.doFilter(SecurityServletFilter.java:48) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RedirectFilter.doFilter(RedirectFilter.java:61) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.requestid.RequestIdFilter.doFilter(RequestIdFilter.java:63) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.sonar.server.platform.web.RootFilter.doFilter(RootFilter.java:62) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at ch.qos.logback.access.tomcat.LogbackValve.invoke(LogbackValve.java:256) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: java.net.UnknownHostException: update.sonarsource.org at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:666) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) at sun.net.www.protocol.https.HttpsClient.(HttpsClient.java:264) at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:162) at org.sonar.core.util.DefaultHttpDownloader$BaseHttpDownloader$HttpInputSupplier.getInput(DefaultHttpDownloader.java:272) at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:111) ... 53 common frames omitted