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https://issues.apache.org/jira/browse/JCS-235?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thomas Vandahl resolved JCS-235.
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Fix Version/s: jcs-3.2.1
Resolution: Cannot Reproduce
> Thread leakage in JCS 3.1 with primary and secondary server configuration
> -------------------------------------------------------------------------
>
> Key: JCS-235
> URL: https://issues.apache.org/jira/browse/JCS-235
> Project: Commons JCS
> Issue Type: Bug
> Components: RMI Remote Cache
> Affects Versions: jcs-3.1
> Reporter: Amol D
> Priority: Major
> Fix For: jcs-3.2.1
>
> Attachments: JCS_3.1_HeapDump.log, client-remoet-cache.ccf,
> primaryserver-remote-cache.ccf, secondaryserver-remote-cache.ccf
>
>
> We are using Apache JCS as a primary cache server in our application. The
> version we are using is apache-commons-jcs3 3.1. On production environment we
> have observed that this specific version is having a thread leakage issue
> where on the production servers, the thread count is increasing rapidly and
> reaching 20000 threads, and the system crashes due to the OutOfMemory error.
> It is observed while degrading the JCS version from 3.1 to 3.0. The problem
> is no longer reproducible. With the JCS 3.1 version we have also tried
> implementing thread pooling, but it did not solve the problem .
> Steps to reproduce -
> 1) JCS configured to have primary and failover server
> Please refer cache.ccf configurations attached
> Check thread count via command
> ps -o pid,comm,user,thcount -p <PID>
> 2) Restart Primary server
> After certain usage by JCS client check the thread count via below command
> ps -o pid,comm,user,thcount -p <PID>
>
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