Hmmm OK. I would stick with the NativeFSLockFactory, and never call
IndexReader.unlock.
Can you call IndexWriter.setInfoStream, and then post the resulting
log? It may provide clues of what's happening.
Also, if you can narrow this to a small test case that shows the
exception, that'd be very helpful.
Mike
Wojtek212 wrote:
I've checked unlock and it is not called until exception occurs.
BTW, I' ve tried to use FSDirectorectory with NativeFSLockFactory
and I
didn't get
LockObtainFailedException. I removed also this part making unlocking
(IndexReader.unlock).
The exception is:
Exception in thread "Thread-95"
org.apache.lucene.index.MergePolicy$MergeException:
java.io.FileNotFoundException: /tmp/content/3615.0-3618.0/_5.cfs (No
such
file or directory)
at
org.apache.lucene.index.ConcurrentMergeScheduler
$MergeThread.run(ConcurrentMergeScheduler.java:271)
Caused by: java.io.FileNotFoundException: /tmp/content/3615.0-3618.0/
_5.cfs
(No such file or directory)
at java.io.RandomAccessFile.open(Native Method)
at java.io.RandomAccessFile.<init>(RandomAccessFile.java:212)
at
org.apache.lucene.store.FSDirectory$FSIndexInput
$Descriptor.<init>(FSDirectory.java:506)
at
org.apache.lucene.store.FSDirectory
$FSIndexInput.<init>(FSDirectory.java:536)
at
org.apache.lucene.store.FSDirectory.openInput(FSDirectory.java:445)
at
org
.apache
.lucene.index.CompoundFileReader.<init>(CompoundFileReader.java:70)
at
org.apache.lucene.index.SegmentReader.initialize(SegmentReader.java:
277)
at
org.apache.lucene.index.SegmentReader.get(SegmentReader.java:262)
at
org.apache.lucene.index.SegmentReader.get(SegmentReader.java:221)
at
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:3263)
at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:
2968)
at
org.apache.lucene.index.ConcurrentMergeScheduler
$MergeThread.run(ConcurrentMergeScheduler.java:240)
Exception in thread "Thread-82" java.lang.RuntimeException:
com.testt.search.IndexingException: java.io.IOException: background
merge
hit exception: _5:c27 _6:c1 into _7 [optimize]
at
com.test.vcssearch.DefaultServiceIndexer
$2.run(DefaultServiceIndexer.java:245)
at java.lang.Thread.run(Thread.java:595)
Caused by: com.test.search.IndexingException: java.io.IOException:
background merge hit exception: _5:c27 _6:c1 into _7 [optimize]
at
com
.test
.search
.impl
.lucene.LuceneIndexManager.removeDocuments(LuceneIndexManager.java:
324)
at
com
.test
.search
.impl
.lucene.LuceneIndexManager.removeDocuments(LuceneIndexManager.java:
208)
at
com
.test
.search
.impl.lucene.LuceneIndexManager.reindex(LuceneIndexManager.java:271)
at
com
.test
.search
.impl.lucene.LuceneIndexManager.reindex(LuceneIndexManager.java:332)
at
com.test.vcssearch.DefaultServiceIndexer
$2.run(DefaultServiceIndexer.java:239)
... 1 more
Caused by: java.io.IOException: background merge hit exception:
_5:c27 _6:c1
into _7 [optimize]
at
org.apache.lucene.index.IndexWriter.optimize(IndexWriter.java:1787)
at
org.apache.lucene.index.IndexWriter.optimize(IndexWriter.java:1727)
at
org.apache.lucene.index.IndexWriter.optimize(IndexWriter.java:1707)
at
com
.test
.search
.impl
.lucene.LuceneIndexManager.removeDocuments(LuceneIndexManager.java:
310)
... 5 more
Caused by: java.io.FileNotFoundException: /tmp/content/3615.0-3618.0/
_5.cfs
(No such file or directory)
at java.io.RandomAccessFile.open(Native Method)
at java.io.RandomAccessFile.<init>(RandomAccessFile.java:212)
at
org.apache.lucene.store.FSDirectory$FSIndexInput
$Descriptor.<init>(FSDirectory.java:506)
at
org.apache.lucene.store.FSDirectory
$FSIndexInput.<init>(FSDirectory.java:536)
at
org.apache.lucene.store.FSDirectory.openInput(FSDirectory.java:445)
at
org
.apache
.lucene.index.CompoundFileReader.<init>(CompoundFileReader.java:70)
at
org.apache.lucene.index.SegmentReader.initialize(SegmentReader.java:
277)
at
org.apache.lucene.index.SegmentReader.get(SegmentReader.java:262)
at
org.apache.lucene.index.SegmentReader.get(SegmentReader.java:221)
at
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:3263)
at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:
2968)
at
org.apache.lucene.index.ConcurrentMergeScheduler
$MergeThread.run(ConcurrentMergeScheduler.java:240)
So if the LockObtainFailedException doesn't occur may I assume that
there
are not 2 indexers writing at the same time? Mike, what do you think?
Above test was made on lucene 2.3.2.
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