I've checked unlock ant 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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