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https://issues.apache.org/jira/browse/GERONIMO-4545?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ivan reassigned GERONIMO-4545:
------------------------------
Assignee: Ivan
> TomcatJAASRealm keeps reference to undeployed EAR/WAR's classloader
> -------------------------------------------------------------------
>
> Key: GERONIMO-4545
> URL: https://issues.apache.org/jira/browse/GERONIMO-4545
> Project: Geronimo
> Issue Type: Bug
> Security Level: public(Regular issues)
> Components: Memory Leaks, security, Tomcat
> Affects Versions: 2.2
> Reporter: Janko Heilgeist
> Assignee: Ivan
> Priority: Blocker
> Fix For: 2.2
>
>
> Another issue where an undeployed WAR's classloader is not GCed.
> {code}
> --> org.apache.geronimo.tomcat.realm.tomcatjaasre...@0x2aaab10ab438 (180
> bytes) (field container:) exclude
> --> org.apache.geronimo.tomcat.geronimostandardcont...@0x2aaab322d390 (749
> bytes) (field parentClassLoader:) exclude
> --> org.apache.geronimo.kernel.config.multiparentclassloa...@0x2aaab2e9b2e0
> (156 bytes) (field parents:) exclude
> --> [Ljava.lang.ClassLoader;@0x2aaab0b97958 (88 bytes) (Element 1 of
> [Ljava.lang.ClassLoader;@0x2aaab0b97958:) exclude
> -->
> org.apache.geronimo.kernel.config.childrenconfigurationclassloa...@0x2aaab05e8bc0
> (115 bytes) (field parent:) exclude
> --> org.apache.geronimo.kernel.config.multiparentclassloa...@0x2aaab2e9b230
> (156 bytes) exclude
> {code}
> It looks to me like the TomcatJAASRealm (its name is "DefaultJAASRealm") is a
> standard realm that is used by all WARs without explicit configuration.
> Setting the realm of a GeronimoStandardContext makes the context store a
> reference to its realm AND makes the realm store a reference to the context
> (see org.apache.catalina.core.ContainerBase#setRealm() which
> GeronimoStandardContext inherits). Thus, the default realm's reference is
> always directed to the context of the WAR deployed most recently. This
> reference keeps the context from being GCed even if the corresponding WAR has
> been undeployed in the meantime.
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