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https://issues.apache.org/jira/browse/WW-4266?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lukasz Lenart updated WW-4266:
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Fix Version/s: 2.3.17
> resource reloading does not work in IBM JVM
> -------------------------------------------
>
> Key: WW-4266
> URL: https://issues.apache.org/jira/browse/WW-4266
> Project: Struts 2
> Issue Type: Bug
> Components: Core Actions
> Affects Versions: 2.3.16
> Environment: WAS 8.5 with IBM JVM 6
> Reporter: Christoph Nenning
> Priority: Trivial
> Fix For: 2.3.17
>
> Attachments: struts2-fix-resources-reloading-in-ibm-jvm.patch
>
>
> When resources reloading is enabled, LocalizedTextUtil uses reflection to
> clear a private static map of the ResourceBundle class. The member name of
> that map is "cacheList".
> The IBM JVM has a different impl of ResourceBundle which does not have the
> "cacheList" member. That causes a lot of NoSuchFieldExceptions in log and
> resource reloading does not work.
> To fix it the patch catches NoSuchFieldException and uses clearMap() to clear
> the cache of that IBM ResourceBundle (which is just called "cache").
> Notes:
> - Javadoc indicates that that IBM code is based on the Apache Harmony project
> - The type of that cache member is:
> WeakHashMap<ClassLoader, Hashtable<String, ResourceBundleSoftRef>>
> So one could argue that the patch clears too much, but IMHO that is OK as it
> is intended for development mode anyway.
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