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From "Thomas Mueller (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (JCR-625) Memory is not freed up when jackrabbit-server war is redeployed in tomcat
Date Tue, 18 Sep 2007 07:57:43 GMT

     [ https://issues.apache.org/jira/browse/JCR-625?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Thomas Mueller resolved JCR-625.
--------------------------------

    Resolution: Fixed
      Assignee: Thomas Mueller  (was: Tobias Bocanegra)

As far as I know, this problem has been fixed since a long time. Please reopen if not.

> Memory is not freed up when jackrabbit-server war is redeployed in tomcat
> -------------------------------------------------------------------------
>
>                 Key: JCR-625
>                 URL: https://issues.apache.org/jira/browse/JCR-625
>             Project: Jackrabbit
>          Issue Type: Bug
>          Components: core
>         Environment: No released version is affected, only trunk: svn revision 471800.
>            Reporter: Marcel Reutegger
>            Assignee: Thomas Mueller
>            Priority: Minor
>         Attachments: cacheManager3.txt, cacheManager4.txt
>
>
> This bug was introduced with the new CacheManager feature. See JCR-619.
> The CacheManager starts a new background thread which optimizes memory distribution every
second accross the various caches. When a jackrabbit repository is shutdown, this background
thread is still running and prevents the GC from collecting the classloader when jackrabbit
is deployed in a web application.
> Steps to reproduce:
> 1) build jackrabbit and jcr-server from trunk and deploy into a tomcat
> 2) touch the web.xml file of the jcr-server web app (this will force a redeployment)
> After step 2 two things may happen. Either:
> - The memory consumption increases because the CacheManager thread is not shutdown
> or
> - The CacheManager thread dies unexpectedly with a NullPointerException:
> Exception in thread "org.apache.jackrabbit.core.state.CacheManager" java.lang.NullPointerException
>         at org.apache.jackrabbit.core.state.CacheManager.run(CacheManager.java:90)
>         at java.lang.Thread.run(Unknown Source)

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