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https://issues.apache.org/jira/browse/JCS-21?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12481974
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Aaron Smuts commented on JCS-21:
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Find bugs is not perfect at locating sync problems. Far from it. I'll have to
look at the changes. I've never seen it acurately loate a synchronization
problem.
> JCS has inconsistent locking of shared data
> -------------------------------------------
>
> Key: JCS-21
> URL: https://issues.apache.org/jira/browse/JCS-21
> Project: JCS
> Issue Type: Bug
> Affects Versions: jcs-1.2.7.9.2
> Reporter: Michael Stevens
> Assigned To: Aaron Smuts
> Attachments: locking.diff
>
>
> I've been looking at the trunk JCS code with findbugs
> (http://findbugs.sf.net/).
> One of the things it does is warn when data is inconsistently synchronized -
> ie when it is sometimes referenced inside a synchronized block and sometimes
> not. This is not threadsafe - one thread may read old or inconsistent data.
> I've patched all the places findbugs complains about by adding appropriate
> synchronized() blocks.
> I suspect this change may require some discussion :)
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