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From "Marcel Reutegger (JIRA)" <j...@apache.org>
Subject [jira] [Created] (JCR-3469) Thread interrupt may result in closed index files
Date Wed, 28 Nov 2012 14:02:57 GMT
Marcel Reutegger created JCR-3469:
-------------------------------------

             Summary: Thread interrupt may result in closed index files
                 Key: JCR-3469
                 URL: https://issues.apache.org/jira/browse/JCR-3469
             Project: Jackrabbit Content Repository
          Issue Type: Bug
          Components: jackrabbit-core
    Affects Versions: 2.4
            Reporter: Marcel Reutegger
            Priority: Minor


Interrupting a thread, which is currently performing I/O on Lucene index files, may result
in closed index files. Jackrabbit versions prior to 2.4 didn't have that problem because only
with the update of Lucene to 3.0.3 in Jackrabbit 2.4 the underlying default for the FSDirectory
in Lucene changed from SimpleFSDirectory to NIOFSDirectory. The latter uses a FileChannel
to perform concurrent read operations on a single channel, but because of the way how FileChannel
is specified an interrupt will result in the FileChannel to be closed.

This was also discussed on the Lucene mailing list. See: http://lucene.markmail.org/thread/ea7mj2kpdvyuesss

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