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https://issues.apache.org/jira/browse/LUCENE-2476?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12871227#action_12871227
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Michael McCandless commented on LUCENE-2476:
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bq. The patch applied to 3.0.1 (I had to do it manually, since I believe this
patch is against trunk, not 3.0.1) does fix my problem. The IndexWriter is now
successfully recreated and my UT does recover just fine from corrupted indexes.
OK thanks for confirming -- I'll backport to 3.0.x as well.
(Yes patch is against trunk).
> Constructor of IndexWriter let's runtime exceptions pop up, while keeping the
> writeLock obtained
> ------------------------------------------------------------------------------------------------
>
> Key: LUCENE-2476
> URL: https://issues.apache.org/jira/browse/LUCENE-2476
> Project: Lucene - Java
> Issue Type: Bug
> Components: Store
> Affects Versions: 3.0.1
> Reporter: Cservenak, Tamas
> Assignee: Michael McCandless
> Priority: Blocker
> Fix For: 3.1, 4.0
>
> Attachments: LUCENE-2476.patch
>
>
> Constructor of IndexWriter let's runtime exceptions pop up, while keeping the
> writeLock obtained.
> The init method in IndexWriter catches IOException only (I got
> NegativeArraySize by reading up a _corrupt_ index), and now, there is no way
> to recover, since the writeLock will be kept obtained. Moreover, I don't have
> IndexWriter instance either, to "grab" the lock somehow, since the init()
> method is called from IndexWriter constructor.
> Either broaden the catch to all exceptions, or at least provide some
> circumvention to clear up. In my case, I'd like to "fallback", just delete
> the corrupted index from disk and recreate it, but it is impossible, since
> the LOCK_HELD NativeFSLockFactory's entry about obtained WriteLock is _never_
> cleaned out and is no (at least apparent) way to clean it out forcibly. I
> can't create new IndexWriter, since it will always fail with
> LockObtainFailedException.
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