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From robert engels <reng...@ix.netcom.com>
Subject Re: [jira] Commented: (LUCENE-727) MMapDirectory can't create new index on Windows
Date Mon, 27 Nov 2006 22:33:34 GMT
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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