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From "Christopher L. Shannon (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (AMQ-6602) Memory leak when undeploying webapp with ActiveMQ client
Date Thu, 23 Feb 2017 15:20:44 GMT

     [ https://issues.apache.org/jira/browse/AMQ-6602?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Christopher L. Shannon reassigned AMQ-6602:
-------------------------------------------

    Assignee: Christopher L. Shannon

> 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
>            Assignee: Christopher L. Shannon
>            Priority: Minor
>              Labels: leak
>         Attachments: AMQ-6602.patch
>
>
> 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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