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From "Marcel Reutegger (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (JCR-3469) Thread interrupt may result in closed index files
Date Wed, 28 Nov 2012 15:10:58 GMT

     [ https://issues.apache.org/jira/browse/JCR-3469?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Marcel Reutegger updated JCR-3469:
----------------------------------

    Attachment: JCR-3469-test.patch

Attached patch contains a test reproducing the issue.
                
> 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
>         Attachments: JCR-3469-test.patch
>
>
> 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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