[jboss-jira] [JBoss JIRA] Closed: (JBAS-2909) Testcase infra structure for MemoryLeaks

Clebert Suconic (JIRA) jira-events at lists.jboss.org
Mon Apr 23 15:54:30 EDT 2007


     [ http://jira.jboss.com/jira/browse/JBAS-2909?page=all ]

Clebert Suconic closed JBAS-2909.
---------------------------------

    Resolution: Done

> Testcase infra structure for MemoryLeaks
> ----------------------------------------
>
>                 Key: JBAS-2909
>                 URL: http://jira.jboss.com/jira/browse/JBAS-2909
>             Project: JBoss Application Server
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>          Components: Test Suite
>            Reporter: Clebert Suconic
>         Assigned To: Brian Stansberry
>             Fix For: JBossAS-4.2.0.GA
>
>
> We could modify JBossTestCase::deploy to introspect every package being deployed and write details to a list. (say the name of the loaded classes, the name of the package and the name of the test).
> Later before stopping the server on the testsuite, we should introspect loaded classes on the server and compare to the list. The intersection should be zero.
> Also before doing such comparisson is a good idea to force an OutOfMemoryError, forcing eventual SoftReferences being released (e.g. JavaSerialization or any other Reflection cache)
> To load the list we could use -XX:PrintClassHIstogram with a kill -3 on the server, or JVMTIInterface from JBossProfiler could also give you such list (by using a couple of methods for that).
> This is an example of how to list loaded classes using JVMTIInterface from JBossProfiler:
>                 jvmtiInterface.forceReleaseOfGC();
>                 Class[] classes = jvmtiInterface.getLoadedClasses();

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