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Posted to dev@lucene.apache.org by "Hoss Man (JIRA)" <ji...@apache.org> on 2006/11/27 23:26:24 UTC
[jira] Commented: (LUCENE-727) MMapDirectory can't create new index
on Windows
[ http://issues.apache.org/jira/browse/LUCENE-727?page=comments#action_12453726 ]
Hoss Man commented on LUCENE-727:
---------------------------------
Can you inlcude a full stack trace of the exception so we can see what code path causes this problem?
it would be even better if you could inlcude a JUnit test demonstrating the problem.
> MMapDirectory can't create new index on Windows
> -----------------------------------------------
>
> Key: LUCENE-727
> URL: http://issues.apache.org/jira/browse/LUCENE-727
> Project: Lucene - Java
> Issue Type: Bug
> Components: Index
> Affects Versions: 2.0.0
> Environment: Windows XP, JDK 1.4
> Reporter: benson margulies
>
> When I set the system property to request the use of the mmap directory, and start building a large index, the process dies with an IOException trying to delete a file. Apparently, Lucene isn't closing down the memory map before deleting the file.
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Re: [jira] Commented: (LUCENE-727) MMapDirectory can't create new index on Windows
Posted by robert engels <re...@ix.netcom.com>.
This is a known JDK issue with memory mapping a file.
The references may not be GC'd at the time the request to delete is
performed, and thus you will get an IOException.
See http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4715154
On Nov 27, 2006, at 4:26 PM, Hoss Man (JIRA) wrote:
> [ http://issues.apache.org/jira/browse/LUCENE-727?
> page=comments#action_12453726 ]
>
> Hoss Man commented on LUCENE-727:
> ---------------------------------
>
> Can you inlcude a full stack trace of the exception so we can see
> what code path causes this problem?
>
> it would be even better if you could inlcude a JUnit test
> demonstrating the problem.
>
>> MMapDirectory can't create new index on Windows
>> -----------------------------------------------
>>
>> Key: LUCENE-727
>> URL: http://issues.apache.org/jira/browse/LUCENE-727
>> Project: Lucene - Java
>> Issue Type: Bug
>> Components: Index
>> Affects Versions: 2.0.0
>> Environment: Windows XP, JDK 1.4
>> Reporter: benson margulies
>>
>> When I set the system property to request the use of the mmap
>> directory, and start building a large index, the process dies with
>> an IOException trying to delete a file. Apparently, Lucene isn't
>> closing down the memory map before deleting the file.
>
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