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https://issues.apache.org/jira/browse/LUCENE-1555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12680795#action_12680795
]
Stefan Heidrich commented on LUCENE-1555:
-----------------------------------------
It seems that the IndexWriter tries to lock two times.
"Lucene Merge Thread #0" daemon prio=1 tid=0x08a7d3c8 nid=0x229a waiting for
monitor entry [0x8ae78000..0x8ae78dc0]
at
org.apache.lucene.index.IndexWriter.commitMerge(IndexWriter.java:3758)
- waiting to lock <0x918d4790> (a org.apache.lucene.index.IndexWriter)
at
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4243)
at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:3884)
at
org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:205)
at
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:260)
"Indexer" prio=1 tid=0x08b6a7f0 nid=0x221c waiting on condition
[0x8af92000..0x8af92dc0]
at java.lang.Throwable.fillInStackTrace(Native Method)
at java.lang.Throwable.<init>(Throwable.java:181)
at java.lang.Exception.<init>(Exception.java:29)
at java.lang.InterruptedException.<init>(InterruptedException.java:31)
at java.lang.Object.wait(Native Method)
at org.apache.lucene.index.IndexWriter.doWait(IndexWriter.java:4494)
- locked <0x918d4790> (a org.apache.lucene.index.IndexWriter)
at
org.apache.lucene.index.IndexWriter.finishMerges(IndexWriter.java:2809)
- locked <0x918d4790> (a org.apache.lucene.index.IndexWriter)
at
org.apache.lucene.index.IndexWriter.closeInternal(IndexWriter.java:1647)
at org.apache.lucene.index.IndexWriter.close(IndexWriter.java:1602)
at org.apache.lucene.index.IndexWriter.close(IndexWriter.java:1578)
at com.inet.helpdesk.search.Indexer.indiziereBuendel(Indexer.java:542)
at com.inet.helpdesk.search.Indexer.indexBuendel(Indexer.java:353)
at com.inet.helpdesk.search.Indexer.run(Indexer.java:243)
> Deadlock while optimize
> -----------------------
>
> Key: LUCENE-1555
> URL: https://issues.apache.org/jira/browse/LUCENE-1555
> Project: Lucene - Java
> Issue Type: Bug
> Components: Index
> Affects Versions: 2.4
> Environment: ubuntu 8.04, java 1.6 update 07, Lucene 2.4.0
> Reporter: Stefan Heidrich
> Assignee: Michael McCandless
>
> Sometimes after starting the thread with the indexer, the thread will hang in
> the following threads.
> Thread [Lucene Merge Thread #0] (Ausgesetzt)
> IndexWriter.commitMerge(MergePolicy$OneMerge, SegmentMerger, int) Line:
> 3751
> IndexWriter.mergeMiddle(MergePolicy$OneMerge) Line: 4240
> IndexWriter.merge(MergePolicy$OneMerge) Line: 3877
> ConcurrentMergeScheduler.doMerge(MergePolicy$OneMerge) Line: 205
> ConcurrentMergeScheduler$MergeThread.run() Line: 260
> Thread [Indexer] (Ausgesetzt)
> Object.wait(long) Line: not available [native Methode]
> IndexWriter.doWait() Line: 4491
> IndexWriter.optimize(int, boolean) Line: 2268
> IndexWriter.optimize(boolean) Line: 2203
> IndexWriter.optimize() Line: 2183
> Indexer.run() Line: 263
> If you need more informations, please let me know.
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