Right, I should have included these data in my orig. message (sorry): 

WinXP, R2.4 

I do have permissions and the files are definitely part of the index being 
removed; nothing outside of (my code that uses) Lucene would have a handle on 
these files. 

-Paul

-----Original Message-----
>From: Ian Lea <ian....@gmail.com>
>Sent: Mar 6, 2009 4:07 AM
>To: java-user@lucene.apache.org, rolaren...@earthlink.net
>Subject: Re: deletion of index-files fails
>
>What OS are you running?  What version of lucene?  Are you sure that
>you have privilege to delete the files that it is failing on? That
>they are part of the index you are trying to remove?  That something
>else doesn't have the files open?
>
>It seems likely that you are on Windows and that something is holding
>on to the files. I believe that Windows won't let you delete open
>files.  You could try calling File.deleteOnExit() for the index files.
>
>
>--
>Ian.
>
>
>On Fri, Mar 6, 2009 at 2:19 AM,  <rolaren...@earthlink.net> wrote:
>> So, I have a (small) Lucene index, all fine; I use it a bit, and then (on 
>> app shutdown) want to delete its files and the containing directory (the 
>> index is intended as a temp object). At some earlier time this was working 
>> just fine, using java.io.File.delete(). Now however, some of the files get 
>> deleted (segments*) whereas others fail (no Exn is thrown, just 
>> java.io.File.delete() returns false: _0.cfs, _0.cfx). I've tried closing the 
>> IndexReader (no IndexWriter exists at shutdown), but that makes no diff.
>>
>> Any ideas?
>>
>> thanks
>> Paul
>>
>>
>>
>>
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