On 22/01/2017 19:52, Bheemanagouda A wrote: > I am seeing these warnings in catalina.out while stopping the tomcat. > Why these errors appearing? Are these harmful? Is simplewebapp actually > leaking memory by not stopping threads? Thanks in Advance.
This should answer those questions: http://home.apache.org/~markt/presentations/2010-11-04-Memory-Leaks-60mins.pdf Mark > > WARNING [localhost-startStop-2] org.apache.catalina.loader. > WebappClassLoaderBase.clearReferencesThreads The web application > [simplewebapp] appears to have started a thread named [pool-3-thread-5] but > has failed to stop it. This is very likely to create a memory leak. Stack > trace of thread: > sun.misc.Unsafe.park(Native Method) > java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215) > java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill( > SynchronousQueue.java:460) > java.util.concurrent.SynchronousQueue$TransferStack.transfer( > SynchronousQueue.java:362) > java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941) > java.util.concurrent.ThreadPoolExecutor.getTask( > ThreadPoolExecutor.java:1066) > java.util.concurrent.ThreadPoolExecutor.runWorker( > ThreadPoolExecutor.java:1127) > java.util.concurrent.ThreadPoolExecutor$Worker.run( > ThreadPoolExecutor.java:617) > java.lang.Thread.run(Thread.java:745) > > > > Kind Regards, > Bheemanagouda > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org