[jboss-jira] [JBoss JIRA] Created: (JBAS-5376) Deploying war inside an ear leaks ear's classloader

[Brian Stansberry (JIRA)]

Deploying war inside an ear leaks ear's classloader
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                 Key: JBAS-5376
                 URL: http://jira.jboss.com/jira/browse/JBAS-5376
             Project: JBoss Application Server
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: ClassLoading, Deployment services, Web (Tomcat) service
    Affects Versions: JBossAS-5.0.0.Beta4
            Reporter: Brian Stansberry
         Assigned To: Scott M Stark


If a war is packaged inside an ear, the war's classloader is leaked on undeploy.

>From a JBoss Profiler heap analysis of a ClassloaderLeakUnitTestCase failure:

!--BaseClassLoader at 7ba4f9{vfsfile:/C:/dev/jboss/jboss-head/testsuite/output/lib/classloader-leak-simple.ear}
!--!--FieldReference private java.lang.ClassLoader org.jboss.classloader.plugins.loader.ClassLoaderToLoaderAdapter.classLoader=BaseClassLoader at 7ba4f9{vfsfile:/C:/dev/jboss/jboss-head/testsuite/output/lib/classloader-leak-simple.ear}
!--!--!--FieldReference private org.jboss.classloader.spi.Loader org.jboss.classloader.spi.ClassLoaderDomain.parent=ClassLoaderDomain at 10ed39f{vfsfile:/C:/dev/jboss/jboss-head/testsuite/output/lib/classloader-leak-simple.ear/classloader-leak-simple-ejb.war}
!--!--!--!--FieldReference java.lang.Object java.util.HashMap$Entry.value=vfsfile:/C:/dev/jboss/jboss-head/testsuite/output/lib/classloader-leak-simple.ear/classloader-leak-simple-ejb.war=ClassLoaderDomain at 10ed39f{vfsfile:/C:/dev/jboss/jboss-head/testsuite/output/lib/classloader-leak-simple.ear/classloader-leak-simple-ejb.war}
!--!--!--!--!--arrayRef [Ljava.util.HashMap$Entry;[6] id=@18063131
!--!--!--!--!--!--FieldReference transient java.util.HashMap$Entry[] java.util.HashMap.table={..............}, =ClassLoaderDomain at 6c5482{}}
!--!--!--!--!--!--!--FieldReference private java.util.Map org.jboss.classloader.spi.ClassLoaderSystem.registeredDomains=DefaultClassLoaderSystem at 8b1a4

I'll create a forum thread and discuss the details of how this occurs there.

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