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Posted to dev@lucene.apache.org by "Torbjørn Køhler (JIRA)" <ji...@apache.org> on 2008/08/16 23:47:44 UTC

[jira] Created: (LUCENE-1358) Deadlock for some Query objects in the equals method (f.ex. PhraseQuery) in a concurrent environment

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
         Attachments: TestDeadLock.java

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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[jira] Updated: (LUCENE-1358) Deadlock for some Query objects in the equals method (f.ex. PhraseQuery) in a concurrent environment

Posted by "Torbjørn Køhler (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/LUCENE-1358?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Torbjørn Køhler updated LUCENE-1358:
------------------------------------

    Attachment: TestDeadLock.java

> 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
>         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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[jira] Commented: (LUCENE-1358) Deadlock for some Query objects in the equals method (f.ex. PhraseQuery) in a concurrent environment

Posted by "Torbjørn Køhler (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/LUCENE-1358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12623440#action_12623440 ] 

Torbjørn Køhler commented on LUCENE-1358:
-----------------------------------------

Yes, it can be closed.

I didn't find the bug anywhere in JIRA so thought it was good to have it documented since it affected the last official release.



> 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
>         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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[jira] Commented: (LUCENE-1358) Deadlock for some Query objects in the equals method (f.ex. PhraseQuery) in a concurrent environment

Posted by "Otis Gospodnetic (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/LUCENE-1358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12623437#action_12623437 ] 

Otis Gospodnetic commented on LUCENE-1358:
------------------------------------------

It sounds like you are simply demonstrating an old bug, right?  If so, then we can close this issue, since LUCENE-1346 fixed the bug you described (I didn't verify that).


> 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
>         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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[jira] Resolved: (LUCENE-1358) Deadlock for some Query objects in the equals method (f.ex. PhraseQuery) in a concurrent environment

Posted by "Mark Miller (JIRA)" <ji...@apache.org>.
     [ 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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