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From "Thomas Mueller (JIRA)" <j...@apache.org>
Subject [jira] [Created] (JCR-3406) Journal doUnlock sometimes not called on repository shutdown
Date Wed, 08 Aug 2012 10:18:09 GMT
Thomas Mueller created JCR-3406:
-----------------------------------

             Summary: Journal doUnlock sometimes not called on repository shutdown
                 Key: JCR-3406
                 URL: https://issues.apache.org/jira/browse/JCR-3406
             Project: Jackrabbit Content Repository
          Issue Type: Improvement
            Reporter: Thomas Mueller
            Assignee: Thomas Mueller


When the repository is shut down, the method AbstractJournal.doUnlock(boolean successful)
is sometimes not called. The method Journal.close is called, but when the journal implementation
uses a reentrant lock it can't unlock because close is called from a different thread.

The reason for not calling doUnlock is that ClusterNode.stop() sets the status to "stopped",
which causes all WorkspaceUpdateChannel methods to not work, including updateCommitted and
updateCancelled. Therefore, it is possible that an operation is started but never completed
nor cancelled.

To solve the issue, I found that it is enough to let updateCommitted and updateCancelled to
complete, so that operations that are in progress can finish.

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