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From "Jed Wesley-Smith (JIRA)" <j...@apache.org>
Subject [jira] Created: (FELIX-2332) Lots of contention on ExtensionManager.openConnection(URL)
Date Tue, 11 May 2010 05:22:29 GMT
Lots of contention on ExtensionManager.openConnection(URL)
----------------------------------------------------------

                 Key: FELIX-2332
                 URL: https://issues.apache.org/jira/browse/FELIX-2332
             Project: Felix
          Issue Type: Bug
          Components: Framework
            Reporter: Jed Wesley-Smith


This method is synchronized, apparently to protect is the iteration through the m_extensions
list. We have seen significant blocking in our applications as this lock encompasses the call
to URL.openConnection as well.

As this list is rarely changed, a copy-on-write structure would be more appropriate, but at
the very least the, only holding the lock during the iteration would be far preferable.

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