[jira] [Updated] (LUCENE-5904) Add MDW.enableVirusScanner / fix windows handling bugs

["Robert Muir (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LUCENE-5904?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Muir updated LUCENE-5904:
--------------------------------

    Attachment: LUCENE-5904.patch

Here is a patch that just adds the logic to MDW. Some of the fails are false: e.g. tests directly against IFD or directory (These can just disable the option). But some, e.g. the CFS creation fails, are real.

> Add MDW.enableVirusScanner / fix windows handling bugs
> ------------------------------------------------------
>
>                 Key: LUCENE-5904
>                 URL: https://issues.apache.org/jira/browse/LUCENE-5904
>             Project: Lucene - Core
>          Issue Type: Bug
>            Reporter: Robert Muir
>         Attachments: LUCENE-5904.patch
>
>
> IndexWriter has logic to handle the case where it can't delete a file (it puts in a retry list and indexfiledeleter will periodically retry, you can force this retry with deletePendingFiles).
> But from what I can tell, this logic is incomplete, e.g. its not properly handled during CFS creation, so if a file temporarily can't be deleted things like flush will fail.



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