Hi @ganncamp @taha1 …added sonar-community-java plugin …getting same error …My web log is
2022.02.25 12:36:37 INFO web[][o.s.p.ProcessEntryPoint] Starting web
2022.02.25 12:36:38 INFO web[][o.a.t.u.n.NioSelectorPool] Using a shared selector for servlet write/read
2022.02.25 12:36:40 INFO web[][o.e.p.PluginsService] no modules loaded
2022.02.25 12:36:40 INFO web[][o.e.p.PluginsService] loaded plugin [org.elasticsearch.join.ParentJoinPlugin]
2022.02.25 12:36:40 INFO web[][o.e.p.PluginsService] loaded plugin [org.elasticsearch.percolator.PercolatorPlugin]
2022.02.25 12:36:40 INFO web[][o.e.p.PluginsService] loaded plugin [org.elasticsearch.transport.Netty4Plugin]
2022.02.25 12:36:42 INFO web[][o.s.s.e.EsClientProvider] Connected to local Elasticsearch: [127.0.0.1:9001]
2022.02.25 12:36:42 INFO web[][o.s.s.p.LogServerVersion] SonarQube Server / 8.0.0.29455 / f869d840f12a4dfa69533e17d3b27558617a7f82
2022.02.25 12:36:42 INFO web[][o.s.s.p.d.EmbeddedDatabase] Starting embedded database on port 9092 with url jdbc:h2:tcp://127.0.0.1:9092/sonar
2022.02.25 12:36:42 INFO web[][o.s.s.p.d.EmbeddedDatabase] Embedded database started. Data stored in: C:\Users\maheswari_rajkumar\Downloads\sonarqube-8.0\sonarqube-8.0\data
2022.02.25 12:36:42 INFO web[][o.sonar.db.Database] Create JDBC data source for jdbc:h2:tcp://127.0.0.1:9092/sonar
2022.02.25 12:36:42 WARN web[][o.s.db.dialect.H2] H2 database should be used for evaluation purpose only.
2022.02.25 12:36:43 INFO web[][o.s.s.p.ServerFileSystemImpl] SonarQube home: C:\Users\maheswari_rajkumar\Downloads\sonarqube-8.0\sonarqube-8.0
2022.02.25 12:36:43 INFO web[][o.s.s.u.SystemPasscodeImpl] System authentication by passcode is disabled
2022.02.25 12:36:43 INFO web[][o.s.s.p.ServerPluginRepository] Deploy plugin Git / 1.9.1.1834 / 178899f274b2e5340ea158ab885608a8ea228b61
2022.02.25 12:36:43 INFO web[][o.s.s.p.ServerPluginRepository] Deploy plugin JSON / 2.3 / 0
2022.02.25 12:36:43 INFO web[][o.s.s.p.ServerPluginRepository] Deploy plugin JaCoCo / 1.0.2.475 / b79a4724f3a9af1051266b4f8ca0460977295ead
2022.02.25 12:36:43 INFO web[][o.s.s.p.ServerPluginRepository] Deploy plugin Java Custom Rules / 1.0-SNAPSHOT
2022.02.25 12:36:43 INFO web[][o.s.s.p.ServerPluginRepository] Deploy plugin SonarCSS / 1.1.1.1010 / 365e21fd0cb9035669fc59f6fec7c8fd28a7303b
2022.02.25 12:36:43 INFO web[][o.s.s.p.ServerPluginRepository] Deploy plugin SonarFlex / 2.5.1.1831 / a0c44437f6abb0feec76edd073f91fec64db2a6c
2022.02.25 12:36:43 INFO web[][o.s.s.p.ServerPluginRepository] Deploy plugin SonarGo / 1.6.0.719 / edcc6a9e42fcdd30bb6f84a779c6cd7009ec72fd
2022.02.25 12:36:43 INFO web[][o.s.s.p.ServerPluginRepository] Deploy plugin SonarHTML / 3.2.0.2082 / 997a51b39c4d0a5399c73a8fb729030a69eb392b
2022.02.25 12:36:43 INFO web[][o.s.s.p.ServerPluginRepository] Deploy plugin SonarJS / 5.2.1.7778 / 49f34eaeaad59868d4353d89b1fc5c02bbe51976
2022.02.25 12:36:43 INFO web[][o.s.s.p.ServerPluginRepository] Deploy plugin SonarJava / 5.14.0.18788 / 5722010157fd66ae9f3141184891501b4165f75a
2022.02.25 12:36:43 INFO web[][o.s.s.p.ServerPluginRepository] Deploy plugin SonarKotlin / 1.5.0.315 / 4ff3a145a58f3f84f1b39846a205a129d742e993
2022.02.25 12:36:43 INFO web[][o.s.s.p.ServerPluginRepository] Deploy plugin SonarPHP / 3.2.0.4868 / ec66bd5f8490677eb0ebae82aa17c2a5d9c0e5e7
2022.02.25 12:36:43 INFO web[][o.s.s.p.ServerPluginRepository] Deploy plugin SonarPython / 1.16.0.4432 / 9ad07a4f1351a5f9d3ef6da6d060926f01379d90
2022.02.25 12:36:43 INFO web[][o.s.s.p.ServerPluginRepository] Deploy plugin SonarRuby / 1.5.0.315 / 4ff3a145a58f3f84f1b39846a205a129d742e993
2022.02.25 12:36:43 INFO web[][o.s.s.p.ServerPluginRepository] Deploy plugin SonarScala / 1.5.0.315 / 4ff3a145a58f3f84f1b39846a205a129d742e993
2022.02.25 12:36:43 INFO web[][o.s.s.p.ServerPluginRepository] Deploy plugin SonarTS / 1.9.0.3766 / 4a4080b78001a78d758d1d0fa0190fb9496b6f57
2022.02.25 12:36:43 INFO web[][o.s.s.p.ServerPluginRepository] Deploy plugin SonarVB / 7.17.0.9346 / aeef94f80e6b0ed7f7b0ddf6602677ab72e3fe5d
2022.02.25 12:36:43 INFO web[][o.s.s.p.ServerPluginRepository] Deploy plugin SonarXML / 2.0.1.2020 / c5b84004face582d56f110e24c29bf9c6a679e69
2022.02.25 12:36:43 INFO web[][o.s.s.p.ServerPluginRepository] Deploy plugin Svn / 1.9.0.1295 / 942e075773975354e32691a60bfd968065703e04
2022.02.25 12:36:45 WARN web[][o.a.c.u.SessionIdGeneratorBase] Creation of SecureRandom instance for session ID generation using [SHA1PRNG] took [872] milliseconds.
2022.02.25 12:36:45 INFO web[][o.s.s.p.w.MasterServletFilter] Initializing servlet filter org.sonar.server.platform.web.WebServiceFilter@127056bd [pattern=UrlPattern{inclusions=[/api/system/migrate_db.*, ...], exclusions=[/api/properties*, ...]}]
2022.02.25 12:36:45 INFO web[][o.s.s.a.EmbeddedTomcat] HTTP connector enabled on port 9000
2022.02.25 12:36:46 INFO web[][o.s.s.p.UpdateCenterClient] Update center: https://update.sonarsource.org/update-center.properties (no proxy)
2022.02.25 12:36:46 INFO web[][o.s.s.s.LogServerId] Server ID: BF41A1F2-AX8gbc8BEhmoW2u4Ct-c
2022.02.25 12:36:46 WARN web[][o.s.s.a.LogOAuthWarning] For security reasons, OAuth authentication should use HTTPS. You should set the property 'Administration > Configuration > Server base URL' to a HTTPS URL.
2022.02.25 12:36:47 WARN web[][o.s.a.s.w.WebService$Action] The response example is not set on action api/plugins/download
2022.02.25 12:36:47 WARN web[][o.s.a.s.w.WebService$Action] The response example is not set on action api/permissions/search_templates
2022.02.25 12:36:47 INFO web[][o.s.s.t.TelemetryDaemon] Sharing of SonarQube statistics is enabled.
2022.02.25 12:36:47 INFO web[][o.s.s.n.NotificationDaemon] Notification service started (delay 60 sec.)
2022.02.25 12:36:47 INFO web[][o.s.s.s.GeneratePluginIndex] Generate scanner plugin index
2022.02.25 12:36:47 INFO web[][o.s.s.s.RegisterPlugins] Register plugins
2022.02.25 12:36:47 INFO web[][o.s.s.s.RegisterMetrics] Register metrics
2022.02.25 12:36:47 INFO web[][o.s.s.r.RegisterRules] Register rules
2022.02.25 12:36:48 ERROR web[][o.s.s.p.Platform] Background initialization failed. Stopping SonarQube
java.lang.NoClassDefFoundError: com/google/common/collect/ImmutableList
at com.ashish.custom.sonar.java.plugin.RulesList.getChecks(RulesList.java:16)
at com.ashish.custom.sonar.java.plugin.CustomRulesDefinition.define(CustomRulesDefinition.java:21)
at org.sonar.server.rule.RuleDefinitionsLoader.load(RuleDefinitionsLoader.java:57)
at org.sonar.server.rule.RegisterRules.start(RegisterRules.java:119)
at org.sonar.core.platform.StartableCloseableSafeLifecyleStrategy.start(StartableCloseableSafeLifecyleStrategy.java:40)
at org.picocontainer.injectors.AbstractInjectionFactory$LifecycleAdapter.start(AbstractInjectionFactory.java:84)
at org.picocontainer.behaviors.AbstractBehavior.start(AbstractBehavior.java:169)
at org.picocontainer.behaviors.Stored$RealComponentLifecycle.start(Stored.java:132)
at org.picocontainer.behaviors.Stored.start(Stored.java:110)
at org.picocontainer.DefaultPicoContainer.potentiallyStartAdapter(DefaultPicoContainer.java:1016)
at org.picocontainer.DefaultPicoContainer.startAdapters(DefaultPicoContainer.java:1009)
at org.picocontainer.DefaultPicoContainer.start(DefaultPicoContainer.java:767)
at org.sonar.core.platform.ComponentContainer.startComponents(ComponentContainer.java:135)
at org.sonar.server.platform.platformlevel.PlatformLevel.start(PlatformLevel.java:90)
at org.sonar.server.platform.platformlevel.PlatformLevelStartup.access$001(PlatformLevelStartup.java:48)
at org.sonar.server.platform.platformlevel.PlatformLevelStartup$1.doPrivileged(PlatformLevelStartup.java:85)
at org.sonar.server.user.DoPrivileged.execute(DoPrivileged.java:46)
at org.sonar.server.platform.platformlevel.PlatformLevelStartup.start(PlatformLevelStartup.java:82)
at org.sonar.server.platform.PlatformImpl.executeStartupTasks(PlatformImpl.java:198)
at org.sonar.server.platform.PlatformImpl.access$400(PlatformImpl.java:46)
at org.sonar.server.platform.PlatformImpl$1.lambda$doRun$1(PlatformImpl.java:122)
at org.sonar.server.platform.PlatformImpl$AutoStarterRunnable.runIfNotAborted(PlatformImpl.java:370)
at org.sonar.server.platform.PlatformImpl$1.doRun(PlatformImpl.java:122)
at org.sonar.server.platform.PlatformImpl$AutoStarterRunnable.run(PlatformImpl.java:354)
at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: java.lang.ClassNotFoundException: com.google.common.collect.ImmutableList
at org.sonar.classloader.ParentFirstStrategy.loadClass(ParentFirstStrategy.java:39)
at org.sonar.classloader.ClassRealm.loadClass(ClassRealm.java:87)
at org.sonar.classloader.ClassRealm.loadClass(ClassRealm.java:76)
... 25 common frames omitted
2022.02.25 12:36:48 INFO web[][o.s.p.ProcessEntryPoint] Hard stopping process
2022.02.25 12:36:49 INFO web[][o.s.s.n.NotificationDaemon] Notification service stopped
2022.02.25 12:36:49 WARN web[][o.s.p.ProcessEntryPoint$HardStopperThread] Can not stop in 1000ms
2022.02.25 12:36:49 WARN web[][o.s.s.a.EmbeddedTomcat] Failed to stop web server
org.apache.catalina.LifecycleException: Failed to stop component [StandardServer[-1]]
at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:238)
at org.apache.catalina.startup.Tomcat.stop(Tomcat.java:437)
at org.sonar.server.app.EmbeddedTomcat.terminate(EmbeddedTomcat.java:104)
at org.sonar.server.app.WebServer.hardStop(WebServer.java:83)
at org.sonar.process.ProcessEntryPoint$HardStopperThread.lambda$new$0(ProcessEntryPoint.java:219)
at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: org.apache.catalina.LifecycleException: Failed to stop component [StandardService[Tomcat]]
at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:238)
at org.apache.catalina.core.StandardServer.stopInternal(StandardServer.java:814)
at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:226)
... 9 common frames omitted
Caused by: org.apache.catalina.LifecycleException: Failed to stop component [StandardEngine[Tomcat]]
at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:238)
at org.apache.catalina.core.StandardService.stopInternal(StandardService.java:486)
at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:226)
... 11 common frames omitted
Caused by: org.apache.catalina.LifecycleException: A child container failed during stop
at org.apache.catalina.core.ContainerBase.stopInternal(ContainerBase.java:1008)
at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:226)
... 13 common frames omitted
2022.02.25 12:36:50 INFO web[][o.s.s.p.d.EmbeddedDatabase] Embedded database stopped