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From "Marek Zawirski (JIRA)" <j...@apache.org>
Subject [jira] Created: (VFS-253) AbstractFileObject: wrong synchronization of content-related code
Date Thu, 07 May 2009 13:26:30 GMT
AbstractFileObject: wrong synchronization of content-related code
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                 Key: VFS-253
                 URL: https://issues.apache.org/jira/browse/VFS-253
             Project: Commons VFS
          Issue Type: Bug
    Affects Versions: 2.0
            Reporter: Marek Zawirski


Creating content through {{AbstractFileObject#getContent()}} and {{DefaultFileContent}} itself
seem to be synchronized, but closing the content by {{AbstractFileObject#close()}} and checking
whether it is open, by {{AbstractFileObject#isContentOpen()}} are NOT synchronized.
Both these methods miss some lock-object. For {{close()}} it may result in severe race condition
in case of {{FileObject}} shared across more than one thread.

BTW, thead-safeness of important VFS classes/interfaces like {{FileObject}} is not documented
in javadoc.

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