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Posted to dev@lucene.apache.org by "Michael McCandless (JIRA)" <ji...@apache.org> on 2009/03/06 12:23:58 UTC
[jira] Resolved: (LUCENE-1554) Problem with IndexWriter.mergeFinish
[ https://issues.apache.org/jira/browse/LUCENE-1554?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael McCandless resolved LUCENE-1554.
----------------------------------------
Resolution: Fixed
Fix Version/s: 2.9
I couldn't get the test to fail, but I can see one code path (if mergeInit hits an exception) that would trip the assert incorrectly, so I committed that fix. Thanks Scott!
> Problem with IndexWriter.mergeFinish
> ------------------------------------
>
> Key: LUCENE-1554
> URL: https://issues.apache.org/jira/browse/LUCENE-1554
> Project: Lucene - Java
> Issue Type: Bug
> Affects Versions: 2.4
> Reporter: Scott Garland
> Assignee: Michael McCandless
> Fix For: 2.9
>
>
> I'm getting a (very) infrequent assert in IndexWriter.mergeFinish from TestIndexWriter.testAddIndexOnDiskFull. The problem occurs during the rollback when the merge hasn't been registered. I'm not 100% sure this is the correct fix, because it's such an infrequent event.
> {code:java}
> final synchronized void mergeFinish(MergePolicy.OneMerge merge) throws IOException {
>
> // Optimize, addIndexes or finishMerges may be waiting
> // on merges to finish.
> notifyAll();
> if (merge.increfDone)
> decrefMergeSegments(merge);
> assert merge.registerDone;
> final SegmentInfos sourceSegments = merge.segments;
> final int end = sourceSegments.size();
> for(int i=0;i<end;i++)
> mergingSegments.remove(sourceSegments.info(i));
> mergingSegments.remove(merge.info);
> merge.registerDone = false;
> }
> {code}
> Should be something like:
> {code:java}
> final synchronized void mergeFinish(MergePolicy.OneMerge merge) throws IOException {
>
> // Optimize, addIndexes or finishMerges may be waiting
> // on merges to finish.
> notifyAll();
> if (merge.increfDone)
> decrefMergeSegments(merge);
> if (merge.registerDone) {
> final SegmentInfos sourceSegments = merge.segments;
> final int end = sourceSegments.size();
> for(int i=0;i<end;i++)
> mergingSegments.remove(sourceSegments.info(i));
> mergingSegments.remove(merge.info);
> merge.registerDone = false;
> }
> }
> {code}
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