Constructor of IndexWriter let's runtime exceptions pop up, while keeping the
writeLock obtained
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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
Priority: Blocker
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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