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https://issues.apache.org/jira/browse/BEANUTILS-156?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Niall Pemberton updated BEANUTILS-156:
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Fix Version/s: (was: LATER THAN 1.8.0)
1.8.0
Assignee: Niall Pemberton
The declaredMethodCache was removed from MappedPropertyDescriptor for issue#
BEANUTILS-6 (on 1st Sept 2005) - see revision 265760[1]. BeanUtils already
contained equivalent functionality in the getMatchingAccessibleMethod() method
in MethodUtils - so this was used to replace the functionality in
MappedPropertyDescriptor.
However MethodUtils also uses a static Map to cache "Method" instances (keyed
by MethodDescriptor) - the difference is that the Map in this case is a
WeakHashMap. Does this resolve this issue? If it doesn't then the MethodUtils
static WeakHashMap be put inside a ContextClassLoaderLocal[2] instance - which
would mean there would be a cache of methods (i.e. Map) for each ClassLoader in
a WeakHashMap.
[1] http://svn.apache.org/viewvc?view=rev&revision=265760
[2]
http://svn.apache.org/repos/asf/jakarta/commons/proper/beanutils/trunk/src/java/org/apache/commons/beanutils/ContextClassLoaderLocal.java
> [beanutils] Memory leak on webapp undeploy in MappedPropertyDescriptor
> ----------------------------------------------------------------------
>
> Key: BEANUTILS-156
> URL: https://issues.apache.org/jira/browse/BEANUTILS-156
> Project: Commons BeanUtils
> Issue Type: Bug
> Components: Bean / Property Utils
> Affects Versions: 1.6
> Environment: Operating System: All
> Platform: All
> Reporter: Simon Kitching
> Assigned To: Niall Pemberton
> Fix For: 1.8.0
>
>
> Class MappedPropertyDescriptor has a Hashtable declaredMethodCache containing
> a
> mapping from Class to Method[]. If this class were to be deployed via a shared
> webapp, then any reference in there to a class loaded via the webapp
> classloader
> will prevent the webapp classloader from being garbage-collected when the
> webapp
> is undeployed.
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