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https://issues.apache.org/jira/browse/GERONIMO-4868?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rex Wang closed GERONIMO-4868.
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> cglib ThreadLocal causing ClassLoader memory leak
> -------------------------------------------------
>
> Key: GERONIMO-4868
> URL: https://issues.apache.org/jira/browse/GERONIMO-4868
> Project: Geronimo
> Issue Type: Bug
> Security Level: public(Regular issues)
> Affects Versions: 2.1.4
> Reporter: Kevan Miller
> Assignee: Kevan Miller
> Fix For: 2.1.5, 2.2, 3.0
>
>
> ghostknife reported an OOME PermGen failure during a redeploy of an app. I
> took at the .hprof file generated on an OOME when
> -XX:+HeapDumpOnOutOfMemoryError is set.
> One leak is caused by the following:
> {code}
> Class Name
> | Shallow Heap | Retained Heap
> --------------------------------------------------------------------------------------------------------------------------------------------------------
> org.apache.geronimo.kernel.config.MultiParentClassLoader @ 0xac80f258
> | 96 | 13,896
> |- parent org.apache.geronimo.kernel.config.ChildrenConfigurationClassLoader
> @ 0xac80f470 | 72 | 720
> | '- [1] java.lang.ClassLoader[10] @ 0xac813d18
> | 56 | 776
> | '- parents org.apache.geronimo.kernel.config.MultiParentClassLoader @
> 0xac812f88 | 96 | 7,304
> | '- <classloader> class
> org.apache.geronimo.management.geronimo.WebModule$$EnhancerByCGLIB$$aaa027b5
> @ 0xb1bd48a8| 432 | 8,784
> | '- proxyType
> org.apache.geronimo.kernel.basic.ProxyMethodInterceptor @ 0xac849258
> | 24 | 46,904
> | '- [0] net.sf.cglib.proxy.Callback[1] @ 0xac846ce8
> | 16 | 46,920
> | '- value java.lang.ThreadLocal$ThreadLocalMap$Entry @
> 0xac844080 | 32 |
> 46,952
> | '- [8] java.lang.ThreadLocal$ThreadLocalMap$Entry[64] @
> 0xac7c80b0 | 272 | 106,984
> | '- table java.lang.ThreadLocal$ThreadLocalMap @
> 0xac730ba8 | 24 |
> 107,008
> | '- threadLocals java.lang.Thread @ 0xac726f80
> DefaultThreadPool 1 Thread | 88 | 107,584
> --------------------------------------------------------------------------------------------------------------------------------------------------------
> {code}
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