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From "Matt Benson (Resolved) (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (JXPATH-152) Concurrent access on hashmap of JXPathIntrospector
Date Fri, 24 Feb 2012 20:57:48 GMT

     [ https://issues.apache.org/jira/browse/JXPATH-152?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Matt Benson resolved JXPATH-152.
--------------------------------

       Resolution: Fixed
    Fix Version/s: 1.4
         Assignee: Matt Benson

It would seem that synchronizing access to the {{HashMap}}s' {{#put}} calls would defend against
the worst-case scenarios you suggest.  Thanks for the report!

{quote}
Committed revision 1293412.
{quote}
                
> 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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