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https://issues.apache.org/jira/browse/JXPATH-152?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14613991#comment-14613991
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Michele Vivoda commented on JXPATH-152:
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1.4 snapshot is here https://github.com/apache/commons-jxpath
> Concurrent access on hashmap of JXPathIntrospector
> --------------------------------------------------
>
> Key: JXPATH-152
> URL: https://issues.apache.org/jira/browse/JXPATH-152
> Project: Commons JXPath
> Issue Type: Bug
> Affects Versions: 1.3
> Environment: Java5, Windows/AIX
> Reporter: pleutre
> Assignee: Matt Benson
> Priority: Minor
> Fix For: 1.4
>
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> JXPathIntrospector.registerDynamicClass method can be called in static part
> of classes.
> If two classes A & B try to registerDynamicClass in the same time a
> concurrent access exception can append on hashmap of JXPathIntrospector.
> Replace hashmap by concurrent hashmap or synchronized access to these
> hashmaps.
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