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From "Mykola Markov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMQ-6602) Memory leak when undeploying webapp with ActiveMQ client
Date Thu, 16 Feb 2017 07:59:41 GMT
Mykola Markov created AMQ-6602:
----------------------------------

             Summary: Memory leak when undeploying webapp with ActiveMQ client
                 Key: AMQ-6602
                 URL: https://issues.apache.org/jira/browse/AMQ-6602
             Project: ActiveMQ
          Issue Type: Bug
          Components: JMS client
    Affects Versions: 5.14.3
            Reporter: Mykola Markov
            Priority: Minor


I have a web app with an ActiveMQ client. When undeploying the app, Tomcat logs the following
messages.
{code}
15-Feb-2017 17:53:31.760 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads
The web application [Engine] appears to have started a thread named [ActiveMQ
 Session: ID:comp-41144-1487186920452-1:1:3] but has failed to stop it. This is very likely
to create a memory leak. Stack trace of thread:
 java.lang.Object.wait(Native Method)
 java.lang.Object.wait(Object.java:502)
 org.apache.activemq.thread.DedicatedTaskRunner.runTask(DedicatedTaskRunner.java:119)
 org.apache.activemq.thread.DedicatedTaskRunner$1.run(DedicatedTaskRunner.java:42)
15-Feb-2017 17:53:31.761 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads
The web application [Engine] appears to have started a thread named [ActiveMQ
 Session: ID:comp-41144-1487186920452-1:1:2] but has failed to stop it. This is very likely
to create a memory leak. Stack trace of thread:
 java.lang.Object.wait(Native Method)
 java.lang.Object.wait(Object.java:502)
 org.apache.activemq.thread.DedicatedTaskRunner.runTask(DedicatedTaskRunner.java:119)
 org.apache.activemq.thread.DedicatedTaskRunner$1.run(DedicatedTaskRunner.java:42)
15-Feb-2017 17:53:31.762 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads
The web application [Engine] appears to have started a thread named [ActiveMQ
 Session: ID:comp-41144-1487186920452-1:1:4] but has failed to stop it. This is very likely
to create a memory leak. Stack trace of thread:
 java.lang.Object.wait(Native Method)
 java.lang.Object.wait(Object.java:502)
 org.apache.activemq.thread.DedicatedTaskRunner.runTask(DedicatedTaskRunner.java:119)
 org.apache.activemq.thread.DedicatedTaskRunner$1.run(DedicatedTaskRunner.java:42)
15-Feb-2017 17:53:31.762 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads
The web application [Engine] appears to have started a thread named [ActiveMQ
 Session: ID:comp-41144-1487186920452-1:1:10] but has failed to stop it. This is very likely
to create a memory leak. Stack trace of thread:
 java.lang.Object.wait(Native Method)
 java.lang.Object.wait(Object.java:502)
 org.apache.activemq.thread.DedicatedTaskRunner.runTask(DedicatedTaskRunner.java:119)
 org.apache.activemq.thread.DedicatedTaskRunner$1.run(DedicatedTaskRunner.java:42)
15-Feb-2017 17:53:31.763 WARNING [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads
The web application [Engine] appears to have started a thread named [ActiveMQ
 Session: ID:comp-41144-1487186920452-1:1:6] but has failed to stop it. This is very likely
to create a memory leak. Stack trace of thread:
 java.lang.Object.wait(Native Method)
 java.lang.Object.wait(Object.java:502)
 org.apache.activemq.thread.DedicatedTaskRunner.runTask(DedicatedTaskRunner.java:119)
 org.apache.activemq.thread.DedicatedTaskRunner$1.run(DedicatedTaskRunner.java:42)
Feb 15, 2017 5:53:31 PM org.apache.catalina.core.ApplicationContext log
INFO: Closing Spring root WebApplicationContext
{code}



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