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From "Mark Miller (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (LUCENE-1358) Deadlock for some Query objects in the equals method (f.ex. PhraseQuery) in a concurrent environment
Date Mon, 10 Nov 2008 02:38:44 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-1358?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Mark Miller resolved LUCENE-1358.
---------------------------------

       Resolution: Fixed
    Fix Version/s: 2.4
    Lucene Fields: [New, Patch Available]  (was: [Patch Available, New])

> Deadlock for some Query objects in the equals method (f.ex. PhraseQuery) in a concurrent
environment
> ----------------------------------------------------------------------------------------------------
>
>                 Key: LUCENE-1358
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1358
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: Other
>    Affects Versions: 2.3.2
>            Reporter: Torbjørn Køhler
>            Priority: Minor
>             Fix For: 2.4
>
>         Attachments: TestDeadLock.java
>
>   Original Estimate: 0h
>  Remaining Estimate: 0h
>
> Some Query objects in lucene 2.3.2 (and previous versions) have internal variables using
Vector.   These variables are used during the call to the equals method.   In a concurrent
environment a deadlock might occur.    The attached code example shows this happening in lucene
2.3.2, but the patch in LUCENE-1346 fixes this issue (though that doesn't seem to be the intention
of that patch according to the description :-)

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