Fail to connect to update center

Hi ,
We are using SonarQube Version: Community 8.9.10 LTS (build 61524)

Nothing has been updated from Server side suddenly from yesterday onwards all projects are not getting scanned and are in Pending state.

After checking the Server log found the below error:

2023.03.01 05:24:28 ERROR web[AYaWNdI3+PT8fttNRaB0][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:69)
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:141)
at org.sonar.server.plugins.ws.PluginWSCommons.compatiblePluginsByKey(PluginWSCommons.java:146)
at org.sonar.server.plugins.ws.PendingAction.handle(PendingAction.java:82)
at org.sonar.server.ws.WebServiceEngine.execute(WebServiceEngine.java:110)
at org.sonar.server.platform.web.WebServiceFilter.doFilter(WebServiceFilter.java:84)
at org.sonar.server.platform.web.MasterServletFilter$GodFilterChain.doFilter(MasterServletFilter.java:139)
at org.sonar.server.platform.web.SonarLintConnectionFilter.doFilter(SonarLintConnectionFilter.java:66)
at org.sonar.server.platform.web.MasterServletFilter$GodFilterChain.doFilter(MasterServletFilter.java:139)
at org.sonar.server.platform.web.MasterServletFilter.doFilter(MasterServletFilter.java:108)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:194)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:167)
at org.sonar.server.platform.web.UserSessionFilter.doFilter(UserSessionFilter.java:81)
at org.sonar.server.platform.web.UserSessionFilter.doFilter(UserSessionFilter.java:68)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:194)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:167)
at org.sonar.server.platform.web.CacheControlFilter.doFilter(CacheControlFilter.java:76)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:194)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:167)
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:194)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:167)
at org.sonar.server.platform.web.RedirectFilter.doFilter(RedirectFilter.java:58)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:194)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:167)
at org.sonar.server.platform.web.RequestIdFilter.doFilter(RequestIdFilter.java:66)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:194)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:167)
at org.sonar.server.platform.web.RootFilter.doFilter(RootFilter.java:62)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:194)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:167)
at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:194)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:167)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:544)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:143)
at ch.qos.logback.access.tomcat.LogbackValve.invoke(LogbackValve.java:256)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:364)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:624)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:831)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1651)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.base/java.lang.Thread.run(Unknown Source)
Caused by: java.net.SocketTimeoutException: connect timed out
at java.base/java.net.PlainSocketImpl.waitForConnect(Native Method)
at java.base/java.net.PlainSocketImpl.socketConnect(Unknown Source)
at java.base/java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
at java.base/java.net.AbstractPlainSocketImpl.connect(Unknown Source)
at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
at java.base/java.net.Socket.connect(Unknown Source)
at java.base/sun.security.ssl.SSLSocketImpl.connect(Unknown Source)
at java.base/sun.net.NetworkClient.doConnect(Unknown Source)
at java.base/sun.net.www.http.HttpClient.openServer(Unknown Source)
at java.base/sun.net.www.http.HttpClient.openServer(Unknown Source)
at java.base/sun.net.www.protocol.https.HttpsClient.(Unknown Source)
at java.base/sun.net.www.protocol.https.HttpsClient.New(Unknown Source)
at java.base/sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(Unknown Source)
at java.base/sun.net.www.protocol.http.HttpURLConnection.plainConnect0(Unknown Source)
at java.base/sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source)
at java.base/sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
at java.base/sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(Unknown Source)
at org.sonar.core.util.DefaultHttpDownloader$BaseHttpDownloader$HttpInputSupplier.getInput(DefaultHttpDownloader.java:272)
at org.sonar.core.util.DefaultHttpDownloader.readString(DefaultHttpDownloader.java:111)
… 55 common frames omitted

I also checked the similar tickets can you please check if Update Centre in working from your end it’s Urgent.

Regards,
Sheetal

Hey there.

This error and the Compute Engine begin stuck are two separate issues (and unrelated).

Can you describe more of the symptoms you’re seeing with your SonarQube server? Sharing screenshots, checking ce.log