Dear Mark, is this bug is fixed in any version? Regards, Fady
On Thu, Dec 22, 2016 at 10:22 PM, Mark Thomas <ma...@apache.org> wrote: > On 22/12/2016 15:46, Fady Haikal wrote: >> We can see the below error on the log file please advise: > > You are using multiple start/start threads and the RMI reference > cleaning isn't thread safe. Arguably that is a bug in Tomcat but if you > fix the RMI memory leaks in your application you won't hit the Tomcat bug. > > Mark > > >> >> OS: windows >> Tomcat Version: 8.0.30 >> Cluster Tomcat >> >> 30-Nov-2016 08:32:21.197 SEVERE [Catalina-startStop-2] >> org.apache.catalina.core.ContainerBase.stopInternal A child container >> failed during stop >> >> java.util.concurrent.ExecutionException: >> org.apache.catalina.LifecycleException: Failed to stop component >> [StandardEngine[Catalina].StandardHost[localhost].StandardContext[]] >> >> at java.util.concurrent.FutureTask.report(Unknown Source) >> >> at java.util.concurrent.FutureTask.get(Unknown Source) >> >> at >> org.apache.catalina.core.ContainerBase.stopInternal(ContainerBase.java:972) >> >> at >> org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:232) >> >> at >> org.apache.catalina.core.ContainerBase$StopChild.call( >> ContainerBase.java:1424) >> >> at >> org.apache.catalina.core.ContainerBase$StopChild.call( >> ContainerBase.java:1413) >> >> at java.util.concurrent.FutureTask.run(Unknown Source) >> >> at >> java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) >> >> at >> java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) >> >> at java.lang.Thread.run(Unknown Source) >> >> Caused by: org.apache.catalina.LifecycleException: Failed to stop >> component [StandardEngine[Catalina].StandardHost[localhost]. >> StandardContext[]] >> >> at >> org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:236) >> >> ... 6 more >> >> Caused by: org.apache.catalina.LifecycleException: Failed to stop >> component [WebappLoader[]] >> >> at >> org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:236) >> >> at >> org.apache.catalina.core.StandardContext.stopInternal( >> StandardContext.java:5517) >> >> at >> org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:232) >> >> ... 6 more >> >> Caused by: java.util.ConcurrentModificationException >> >> at java.util.HashMap$HashIterator.nextEntry(Unknown Source) >> >> at java.util.HashMap$ValueIterator.next(Unknown Source) >> >> at >> org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesRmiTargets( >> WebappClassLoaderBase.java:2275) >> >> at >> org.apache.catalina.loader.WebappClassLoaderBase.clearReferences( >> WebappClassLoaderBase.java:1578) >> >> at >> org.apache.catalina.loader.WebappClassLoaderBase.stop( >> WebappClassLoaderBase.java:1521) >> >> at >> org.apache.catalina.loader.WebappLoader.stopInternal(WebappLoader.java:447) >> >> at >> org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:232) >> >> ... 8 more >> >> >> >> >> 30-Nov-2016 08:32:21.354 SEVERE [Catalina-startStop-2] >> org.apache.catalina.core.ContainerBase.stopInternal A child container >> failed during stop >> java.util.concurrent.ExecutionException: >> org.apache.catalina.LifecycleException: Failed to stop component >> [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/docs]] >> at java.util.concurrent.FutureTask.report(Unknown Source) >> at java.util.concurrent.FutureTask.get(Unknown Source) >> at org.apache.catalina.core.ContainerBase.stopInternal( >> ContainerBase.java:972) >> at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:232) >> at org.apache.catalina.core.ContainerBase$StopChild.call( >> ContainerBase.java:1424) >> at org.apache.catalina.core.ContainerBase$StopChild.call( >> ContainerBase.java:1413) >> at java.util.concurrent.FutureTask.run(Unknown Source) >> at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) >> at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) >> at java.lang.Thread.run(Unknown Source) >> Caused by: org.apache.catalina.LifecycleException: Failed to stop >> component [StandardEngine[Catalina].StandardHost[localhost]. >> StandardContext[/docs]] >> at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:236) >> ... 6 more >> Caused by: org.apache.catalina.LifecycleException: Failed to stop >> component [WebappLoader[/docs]] >> at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:236) >> at org.apache.catalina.core.StandardContext.stopInternal( >> StandardContext.java:5517) >> at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:232) >> ... 6 more >> Caused by: java.util.ConcurrentModificationException >> at java.util.HashMap$HashIterator.nextEntry(Unknown Source) >> at java.util.HashMap$ValueIterator.next(Unknown Source) >> at org.apache.catalina.loader.WebappClassLoaderBase. >> clearReferencesRmiTargets(WebappClassLoaderBase.java:2275) >> at org.apache.catalina.loader.WebappClassLoaderBase.clearReferences( >> WebappClassLoaderBase.java:1578) >> at org.apache.catalina.loader.WebappClassLoaderBase.stop( >> WebappClassLoaderBase.java:1521) >> at org.apache.catalina.loader.WebappLoader.stopInternal( >> WebappLoader.java:447) >> at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:232) >> ... 8 more >> >> >> Regards, >> Fady >> > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
