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From "Stefan Guggisberg (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (JCR-549) TransientFileFactory may throw ConcurrentModificationException on shutdown
Date Mon, 28 Aug 2006 13:05:23 GMT
     [ http://issues.apache.org/jira/browse/JCR-549?page=all ]

Stefan Guggisberg reassigned JCR-549:
-------------------------------------

    Assignee: Stefan Guggisberg

> TransientFileFactory may throw ConcurrentModificationException on shutdown
> --------------------------------------------------------------------------
>
>                 Key: JCR-549
>                 URL: http://issues.apache.org/jira/browse/JCR-549
>             Project: Jackrabbit
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 1.0, 1.0.1, 0.9
>         Environment: svn: 437594
>            Reporter: Marcel Reutegger
>         Assigned To: Stefan Guggisberg
>            Priority: Minor
>
> When Jackrabbit is stopped the shutdown hook of the TransientFileFactory iterates over
all tracked temp files and deletes them. At the same time the reaper thread may still remove
file references from the list of tracked temp files. This may lead to a ConcurrentModificationException
in the shutdown hook:
> java.util.ConcurrentModificationException
> 	at java.util.AbstractList$Itr.checkForComodification(Unknown Source)
> 	at java.util.AbstractList$Itr.next(Unknown Source)
> 	at org.apache.jackrabbit.util.TransientFileFactory$1.run(TransientFileFactory.java:86)

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