which versions are you using (SonarQube, Scanner, Plugin, and any relevant extension)
Sonarqube Server:- 9.3.0.51899
Apache Ant™ version 1.10.7 compiled on October 24 2019
SonarScanner Ant Task version: 2.7.1.1951
Loaded from: file:/usr/share/ant/lib/sonarqube-ant-task-2.7.1.1951.jar
User cache: /root/.sonar/cache
SonarQube server [https://sonar.*************.com] can not be reached
BUILD FAILED
build.xml:282: org.sonarsource.scanner.api.internal.ScannerException: Unable to execute SonarQube
at org.sonarsource.scanner.api.internal.IsolatedLauncherFactory.lambda$createLauncher$0(IsolatedLauncherFactory.java:85)
at java.security.AccessController.doPrivileged(Native Method)
at org.sonarsource.scanner.api.internal.IsolatedLauncherFactory.createLauncher(IsolatedLauncherFactory.java:74)
at org.sonarsource.scanner.api.internal.IsolatedLauncherFactory.createLauncher(IsolatedLauncherFactory.java:70)
at org.sonarsource.scanner.api.EmbeddedScanner.doStart(EmbeddedScanner.java:185)
at org.sonarsource.scanner.api.EmbeddedScanner.start(EmbeddedScanner.java:123)
at org.sonarsource.scanner.ant.SonarQubeTask.launchAnalysis(SonarQubeTask.java:112)
at org.sonarsource.scanner.ant.SonarQubeTask.execute(SonarQubeTask.java:94)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:99)
at org.apache.tools.ant.Task.perform(Task.java:350)
at org.apache.tools.ant.Target.execute(Target.java:449)
at org.apache.tools.ant.Target.performTasks(Target.java:470)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1391)
at org.apache.tools.ant.Project.executeTarget(Project.java:1364)
at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
at org.apache.tools.ant.Project.executeTargets(Project.java:1254)
at org.apache.tools.ant.Main.runBuild(Main.java:830)
at org.apache.tools.ant.Main.startAnt(Main.java:223)
at org.apache.tools.ant.launch.Launcher.run(Launcher.java:284)
at org.apache.tools.ant.launch.Launcher.main(Launcher.java:101)
Caused by: java.lang.IllegalStateException: Fail to get bootstrap index from server
at org.sonarsource.scanner.api.internal.BootstrapIndexDownloader.getIndex(BootstrapIndexDownloader.java:42)
at org.sonarsource.scanner.api.internal.JarDownloader.getScannerEngineFiles(JarDownloader.java:58)
at org.sonarsource.scanner.api.internal.JarDownloader.download(JarDownloader.java:53)
at org.sonarsource.scanner.api.internal.IsolatedLauncherFactory.lambda$createLauncher$0(IsolatedLauncherFactory.java:76)
... 23 more
Caused by: javax.net.ssl.SSLHandshakeException: Received fatal alert: protocol_version
at sun.security.ssl.Alert.createSSLException(Alert.java:131)
at sun.security.ssl.Alert.createSSLException(Alert.java:117)
at sun.security.ssl.TransportContext.fatal(TransportContext.java:311)
at sun.security.ssl.Alert$AlertConsumer.consume(Alert.java:293)
at sun.security.ssl.TransportContext.dispatch(TransportContext.java:185)
at sun.security.ssl.SSLTransport.decode(SSLTransport.java:152)
at sun.security.ssl.SSLSocketImpl.decode(SSLSocketImpl.java:1392)
at sun.security.ssl.SSLSocketImpl.readHandshakeRecord(SSLSocketImpl.java:1300)
at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:435)
at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.connection.RealConnection.connectTls(RealConnection.java:336)
at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.connection.RealConnection.establishProtocol(RealConnection.java:300)
at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.connection.RealConnection.connect(RealConnection.java:185)
at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.connection.ExchangeFinder.findConnection(ExchangeFinder.java:224)
at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.connection.ExchangeFinder.findHealthyConnection(ExchangeFinder.java:108)
at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.connection.ExchangeFinder.find(ExchangeFinder.java:88)
at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.connection.Transmitter.newExchange(Transmitter.java:169)
at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.connection.ConnectInterceptor.intercept(ConnectInterceptor.java:41)
at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:142)
at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:117)
at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.cache.CacheInterceptor.intercept(CacheInterceptor.java:94)
at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:142)
at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:117)
at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.http.BridgeInterceptor.intercept(BridgeInterceptor.java:93)
at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:142)
at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.http.RetryAndFollowUpInterceptor.intercept(RetryAndFollowUpInterceptor.java:88)
at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:142)
at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:117)
at org.sonarsource.scanner.api.internal.shaded.okhttp.RealCall.getResponseWithInterceptorChain(RealCall.java:221)
at org.sonarsource.scanner.api.internal.shaded.okhttp.RealCall.execute(RealCall.java:81)
at org.sonarsource.scanner.api.internal.ServerConnection.callUrl(ServerConnection.java:113)
at org.sonarsource.scanner.api.internal.ServerConnection.downloadString(ServerConnection.java:98)
at org.sonarsource.scanner.api.internal.BootstrapIndexDownloader.getIndex(BootstrapIndexDownloader.java:39)
... 26 more
Total time: 14 seconds