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From "Michael Stevens (JIRA)" <j...@apache.org>
Subject [jira] Created: (JCS-21) JCS has inconsistent locking of shared data
Date Sun, 18 Mar 2007 15:33:09 GMT
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-
            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()

I suspect this change may require some discussion :)

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