While running 'ant test' I just got this failure (on Mac OS 10.5.7).
Even worse, the next time I ran it the test passed, so this might be
hard to reproduce.
I haven't tried yet to find out what caused this.
[junit] Exception in thread "Lucene Merge Thread #1"
org.apache.lucene.index.MergePolicy$MergeException:
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
[junit] at
org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:351)
[junit] at
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:315)
[junit] Caused by: org.apache.lucene.store.AlreadyClosedException:
this IndexWriter is closed
[junit] at
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:791)
[junit] at
org.apache.lucene.index.IndexWriter.getDirectory(IndexWriter.java:2303)
[junit] at
org.apache.lucene.index.SegmentMerger.<init>(SegmentMerger.java:88)
[junit] at
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4942)
[junit] at
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4598)
[junit] at
org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:235)
[junit] at
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:291)
[junit] Exception in thread "Lucene Merge Thread #2"
org.apache.lucene.index.MergePolicy$MergeException:
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
[junit] at
org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:351)
[junit] at
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:315)
[junit] Caused by: org.apache.lucene.store.AlreadyClosedException:
this IndexWriter is closed
[junit] at
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:791)
[junit] at
org.apache.lucene.index.IndexWriter.getDirectory(IndexWriter.java:2303)
[junit] at
org.apache.lucene.index.SegmentMerger.<init>(SegmentMerger.java:88)
[junit] at
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4942)
[junit] at
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4598)
[junit] at
org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:235)
[junit] at
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:291)
[junit] Exception in thread "Lucene Merge Thread #3"
org.apache.lucene.index.MergePolicy$MergeException:
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
[junit] at
org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:351)
[junit] at
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:315)
[junit] Caused by: org.apache.lucene.store.AlreadyClosedException:
this IndexWriter is closed
[junit] at
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:791)
[junit] at
org.apache.lucene.index.IndexWriter.getDirectory(IndexWriter.java:2303)
[junit] at
org.apache.lucene.index.SegmentMerger.<init>(SegmentMerger.java:88)
[junit] at
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4942)
[junit] at
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4598)
[junit] at
org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:235)
[junit] at
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:291)
[junit] Exception in thread "Lucene Merge Thread #4"
org.apache.lucene.index.MergePolicy$MergeException:
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
[junit] at
org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:351)
[junit] at
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:315)
[junit] Caused by: org.apache.lucene.store.AlreadyClosedException:
this IndexWriter is closed
[junit] at
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:791)
[junit] at
org.apache.lucene.index.IndexWriter.getDirectory(IndexWriter.java:2303)
[junit] at
org.apache.lucene.index.SegmentMerger.<init>(SegmentMerger.java:88)
[junit] at
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4942)
[junit] at
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4598)
[junit] at
org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:235)
[junit] at
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:291)
[junit] ------------- ---------------- ---------------
[junit] Testcase:
testNoWaitClose(org.apache.lucene.index.TestIndexWriter): FAILED
[junit] ConcurrentMergeScheduler hit unhandled exceptions
[junit] junit.framework.AssertionFailedError:
ConcurrentMergeScheduler hit unhandled exceptions
[junit] at
org.apache.lucene.util.LuceneTestCase.tearDown(LuceneTestCase.java:54)
[junit] Test org.apache.lucene.index.TestIndexWriter FAILED
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