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https://issues.apache.org/jira/browse/LUCENE-6835?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15136358#comment-15136358
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ASF subversion and git services commented on LUCENE-6835:
---------------------------------------------------------

Commit f8bd22e58c953a5ef27fd4859c91845755ebd490 in lucene-solr's branch 
refs/heads/master from Mike McCandless
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=f8bd22e ]

LUCENE-6835, LUCENE-6684: move the 'suppress NSFE on windows' hack down lower, 
out of IFD into FSDir; also fix IFD to remove segments files before others


> Directory.deleteFile should "own" retrying deletions on Windows
> ---------------------------------------------------------------
>
>                 Key: LUCENE-6835
>                 URL: https://issues.apache.org/jira/browse/LUCENE-6835
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Michael McCandless
>             Fix For: master, 6.0
>
>         Attachments: LUCENE-6835.patch, LUCENE-6835.patch
>
>
> Rob's idea:
> Today, we have hairy logic in IndexFileDeleter to deal with Windows file 
> systems that cannot delete still open files.
> And with LUCENE-6829, where OfflineSorter now must deal with the situation 
> too ... I worked around it by fixing all tests to disable the virus checker.
> I think it makes more sense to push this "platform specific problem" lower in 
> the stack, into Directory?  I.e., its deleteFile method would catch the 
> access denied, and then retry the deletion later.  Then we could re-enable 
> virus checker on all these tests, simplify IndexFileDeleter, etc.
> Maybe in the future we could further push this down, into WindowsDirectory,  
> and fix FSDirectory.open to return WindowsDirectory on windows ...



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