Hi Team,
Sonarqube installed version is Enterprise Edition Version 7.9.3.
Our Sonarqube application stopped suddenly yesterday and not sure what was the problem also noticed that “This is very likely to create a memory leak” in the web.log file.
Please do the needful to findout the root cause and solution.
Log message:
2021.01.03 13:30:00 WARN web[o.a.c.l.WebappClassLoaderBase] The web application [ROOT] appears to have started a thread named [logback-13] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
java.base@11.0.7/jdk.internal.misc.Unsafe.park(Native Method)
java.base@11.0.7/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
java.base@11.0.7/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
java.base@11.0.7/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1170)
java.base@11.0.7/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
java.base@11.0.7/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
java.base@11.0.7/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
java.base@11.0.7/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
java.base@11.0.7/java.lang.Thread.run(Thread.java:834)
2021.01.03 13:30:00 WARN web[o.a.c.l.WebappClassLoaderBase] The web application [ROOT] appears to have started a thread named [logback-15] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
java.base@11.0.7/jdk.internal.misc.Unsafe.park(Native Method)
java.base@11.0.7/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
java.base@11.0.7/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2081)
java.base@11.0.7/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1170)
java.base@11.0.7/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
java.base@11.0.7/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
java.base@11.0.7/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
java.base@11.0.7/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
java.base@11.0.7/java.lang.Thread.run(Thread.java:834)
2021.01.03 13:30:00 DEBUG web[o.s.s.a.TomcatAccessLog] Tomcat is stopped
Regards,
Nataraj.R