[
https://issues.apache.org/jira/browse/LUCENE-3705?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13189131#comment-13189131
]
Robert Muir commented on LUCENE-3705:
-------------------------------------
Thanks Simon!
> deadlock in TestIndexWriterExceptions
> -------------------------------------
>
> Key: LUCENE-3705
> URL: https://issues.apache.org/jira/browse/LUCENE-3705
> Project: Lucene - Java
> Issue Type: Bug
> Components: core/index
> Affects Versions: 4.0
> Reporter: Robert Muir
> Assignee: Simon Willnauer
> Fix For: 4.0
>
> Attachments: LUCENE-3705.patch
>
>
> [junit] 2012-01-18 18:18:16
> [junit] Full thread dump Java HotSpot(TM) 64-Bit Server VM (19.1-b02
> mixed mode):
> [junit]
> [junit] "Indexer 3" prio=10 tid=0x0000000041b9b800 nid=0x6291 waiting for
> monitor entry [0x00007f7e8868f000]
> [junit] java.lang.Thread.State: BLOCKED (on object monitor)
> [junit] at
> org.apache.lucene.index.DocumentsWriterFlushQueue.innerPurge(DocumentsWriterFlushQueue.java:118)
> [junit] - waiting to lock <0x00000000e40ff2a8> (a
> org.apache.lucene.index.DocumentsWriterFlushQueue)
> [junit] at
> org.apache.lucene.index.DocumentsWriterFlushQueue.tryPurge(DocumentsWriterFlushQueue.java:141)
> [junit] at
> org.apache.lucene.index.DocumentsWriter.doFlush(DocumentsWriter.java:439)
> [junit] at
> org.apache.lucene.index.DocumentsWriter.postUpdate(DocumentsWriter.java:317)
> [junit] at
> org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:390)
> [junit] at
> org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1534)
> [junit] at
> org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1506)
> [junit] at
> org.apache.lucene.index.TestIndexWriterExceptions$IndexerThread.run(TestIndexWriterExceptions.java:187)
> [junit]
> [junit] "Indexer 2" prio=10 tid=0x0000000041b9b000 nid=0x6290 waiting on
> condition [0x00007f7e8838c000]
> [junit] java.lang.Thread.State: WAITING (parking)
> [junit] at sun.misc.Unsafe.park(Native Method)
> [junit] - parking to wait for <0x00000000e4103100> (a
> org.apache.lucene.index.DocumentsWriterStallControl$Sync)
> [junit] at
> java.util.concurrent.locks.LockSupport.park(LockSupport.java:158)
> [junit] at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:811)
> [junit] at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireShared(AbstractQueuedSynchronizer.java:941)
> [junit] at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireShared(AbstractQueuedSynchronizer.java:1261)
> [junit] at
> org.apache.lucene.index.DocumentsWriterStallControl.waitIfStalled(DocumentsWriterStallControl.java:115)
> [junit] at
> org.apache.lucene.index.DocumentsWriterFlushControl.waitIfStalled(DocumentsWriterFlushControl.java:591)
> [junit] at
> org.apache.lucene.index.DocumentsWriter.preUpdate(DocumentsWriter.java:302)
> [junit] at
> org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:362)
> [junit] at
> org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1534)
> [junit] at
> org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1506)
> [junit] at
> org.apache.lucene.index.TestIndexWriterExceptions$IndexerThread.run(TestIndexWriterExceptions.java:187)
> [junit]
> [junit] "Indexer 1" prio=10 tid=0x0000000042500000 nid=0x628f waiting for
> monitor entry [0x00007f7e8858e000]
> [junit] java.lang.Thread.State: BLOCKED (on object monitor)
> [junit] at
> org.apache.lucene.index.DocumentsWriterFlushQueue.addSegment(DocumentsWriterFlushQueue.java:84)
> [junit] - waiting to lock <0x00000000e40ff2a8> (a
> org.apache.lucene.index.DocumentsWriterFlushQueue)
> [junit] at
> org.apache.lucene.index.DocumentsWriter.doFlush(DocumentsWriter.java:424)
> [junit] at
> org.apache.lucene.index.DocumentsWriter.postUpdate(DocumentsWriter.java:317)
> [junit] at
> org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:390)
> [junit] at
> org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1534)
> [junit] at
> org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1506)
> [junit] at
> org.apache.lucene.index.TestIndexWriterExceptions$IndexerThread.run(TestIndexWriterExceptions.java:187)
> [junit]
> [junit] "Indexer 0" prio=10 tid=0x0000000041508000 nid=0x628d waiting on
> condition [0x00007f7e8848d000]
> [junit] java.lang.Thread.State: WAITING (parking)
> [junit] at sun.misc.Unsafe.park(Native Method)
> [junit] - parking to wait for <0x00000000e414b408> (a
> java.util.concurrent.locks.ReentrantLock$NonfairSync)
> [junit] at
> java.util.concurrent.locks.LockSupport.park(LockSupport.java:158)
> [junit] at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:811)
> [junit] at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:842)
> [junit] at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1178)
> [junit] at
> java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:186)
> [junit] at
> java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:262)
> [junit] at
> org.apache.lucene.index.DocumentsWriterFlushQueue.forcePurge(DocumentsWriterFlushQueue.java:130)
> [junit] at
> org.apache.lucene.index.DocumentsWriterFlushQueue.addDeletesAndPurge(DocumentsWriterFlushQueue.java:50)
> [junit] - locked <0x00000000e40ff2a8> (a
> org.apache.lucene.index.DocumentsWriterFlushQueue)
> [junit] at
> org.apache.lucene.index.DocumentsWriter.applyAllDeletes(DocumentsWriter.java:179)
> [junit] at
> org.apache.lucene.index.DocumentsWriter.doFlush(DocumentsWriter.java:460)
> [junit] at
> org.apache.lucene.index.DocumentsWriter.postUpdate(DocumentsWriter.java:317)
> [junit] at
> org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:390)
> [junit] at
> org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1534)
> [junit] at
> org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1506)
> [junit] at
> org.apache.lucene.index.TestIndexWriterExceptions$IndexerThread.run(TestIndexWriterExceptions.java:187)
> [junit]
> [junit] "Low Memory Detector" daemon prio=10 tid=0x00007f7e84025800
> nid=0x6003 runnable [0x0000000000000000]
> [junit] java.lang.Thread.State: RUNNABLE
> [junit]
> [junit] "CompilerThread1" daemon prio=10 tid=0x00007f7e84022800
> nid=0x6002 waiting on condition [0x0000000000000000]
> [junit] java.lang.Thread.State: RUNNABLE
> [junit]
> [junit] "CompilerThread0" daemon prio=10 tid=0x00007f7e8401f800
> nid=0x6001 waiting on condition [0x0000000000000000]
> [junit] java.lang.Thread.State: RUNNABLE
> [junit]
> [junit] "Signal Dispatcher" daemon prio=10 tid=0x00007f7e8401d800
> nid=0x6000 waiting on condition [0x0000000000000000]
> [junit] java.lang.Thread.State: RUNNABLE
> [junit]
> [junit] "Finalizer" daemon prio=10 tid=0x00007f7e84001000 nid=0x5ffa in
> Object.wait() [0x00007f7e8961b000]
> [junit] java.lang.Thread.State: WAITING (on object monitor)
> [junit] at java.lang.Object.wait(Native Method)
> [junit] - waiting on <0x00000000e2ece380> (a
> java.lang.ref.ReferenceQueue$Lock)
> [junit] at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:118)
> [junit] - locked <0x00000000e2ece380> (a
> java.lang.ref.ReferenceQueue$Lock)
> [junit] at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:134)
> [junit] at
> java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:159)
> [junit]
> [junit] "Reference Handler" daemon prio=10 tid=0x000000004101e000
> nid=0x5ff9 in Object.wait() [0x00007f7e8971c000]
> [junit] java.lang.Thread.State: WAITING (on object monitor)
> [junit] at java.lang.Object.wait(Native Method)
> [junit] - waiting on <0x00000000e2ece318> (a
> java.lang.ref.Reference$Lock)
> [junit] at java.lang.Object.wait(Object.java:485)
> [junit] at
> java.lang.ref.Reference$ReferenceHandler.run(Reference.java:116)
> [junit] - locked <0x00000000e2ece318> (a java.lang.ref.Reference$Lock)
> [junit]
> [junit] "main" prio=10 tid=0x0000000040fb2000 nid=0x5fe2 in Object.wait()
> [0x00007f7e8ecc1000]
> [junit] java.lang.Thread.State: WAITING (on object monitor)
> [junit] at java.lang.Object.wait(Native Method)
> [junit] - waiting on <0x00000000e4105080> (a
> org.apache.lucene.index.TestIndexWriterExceptions$IndexerThread)
> [junit] at java.lang.Thread.join(Thread.java:1186)
> [junit] - locked <0x00000000e4105080> (a
> org.apache.lucene.index.TestIndexWriterExceptions$IndexerThread)
> [junit] at java.lang.Thread.join(Thread.java:1239)
> [junit] at
> org.apache.lucene.index.TestIndexWriterExceptions.testRandomExceptionsThreads(TestIndexWriterExceptions.java:286)
> [junit] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> [junit] at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> [junit] at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> [junit] at java.lang.reflect.Method.invoke(Method.java:597)
> [junit] at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
> [junit] at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
> [junit] at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
> [junit] at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
> [junit] at org.junit.rules.TestWatchman$1.evaluate(TestWatchman.java:48)
> [junit] at
> org.apache.lucene.util.LuceneTestCase$3$1.evaluate(LuceneTestCase.java:528)
> [junit] at
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
> [junit] at
> org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
> [junit] at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:76)
> [junit] at
> org.apache.lucene.util.LuceneTestCaseRunner.runChild(LuceneTestCaseRunner.java:165)
> [junit] at
> org.apache.lucene.util.LuceneTestCaseRunner.runChild(LuceneTestCaseRunner.java:57)
> [junit] at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
> [junit] at
> org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
> [junit] at
> org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
> [junit] at
> org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
> [junit] at
> org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
> [junit] at
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
> [junit] at
> org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
> [junit] at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
> [junit] at
> junit.framework.JUnit4TestAdapter.run(JUnit4TestAdapter.java:39)
> [junit] at
> org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.run(JUnitTestRunner.java:420)
> [junit] at
> org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.launch(JUnitTestRunner.java:911)
> [junit] at
> org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.main(JUnitTestRunner.java:743)
> [junit]
> [junit] "VM Thread" prio=10 tid=0x0000000041017800 nid=0x5fef runnable
> [junit]
> [junit] "GC task thread#0 (ParallelGC)" prio=10 tid=0x0000000040fc5000
> nid=0x5fe3 runnable
> [junit]
> [junit] "GC task thread#1 (ParallelGC)" prio=10 tid=0x0000000040fc7000
> nid=0x5fe4 runnable
> [junit]
> [junit] "GC task thread#2 (ParallelGC)" prio=10 tid=0x0000000040fc9000
> nid=0x5fe5 runnable
> [junit]
> [junit] "GC task thread#3 (ParallelGC)" prio=10 tid=0x0000000040fca800
> nid=0x5fe6 runnable
> [junit]
> [junit] "GC task thread#4 (ParallelGC)" prio=10 tid=0x0000000040fcc800
> nid=0x5fe7 runnable
> [junit]
> [junit] "GC task thread#5 (ParallelGC)" prio=10 tid=0x0000000040fce800
> nid=0x5fe8 runnable
> [junit]
> [junit] "GC task thread#6 (ParallelGC)" prio=10 tid=0x0000000040fd0000
> nid=0x5fe9 runnable
> [junit]
> [junit] "GC task thread#7 (ParallelGC)" prio=10 tid=0x0000000040fd2000
> nid=0x5fea runnable
> [junit]
> [junit] "VM Periodic Task Thread" prio=10 tid=0x00007f7e84030000
> nid=0x6004 waiting on condition
> [junit]
> [junit] JNI global references: 1578
> [junit]
> [junit]
> [junit] Found one Java-level deadlock:
> [junit] =============================
> [junit] "Indexer 3":
> [junit] waiting to lock monitor 0x0000000041477498 (object
> 0x00000000e40ff2a8, a org.apache.lucene.index.DocumentsWriterFlushQueue),
> [junit] which is held by "Indexer 0"
> [junit] "Indexer 0":
> [junit] waiting for ownable synchronizer 0x00000000e414b408, (a
> java.util.concurrent.locks.ReentrantLock$NonfairSync),
> [junit] which is held by "Indexer 3"
> [junit]
> [junit] Java stack information for the threads listed above:
> [junit] ===================================================
> [junit] "Indexer 3":
> [junit] at
> org.apache.lucene.index.DocumentsWriterFlushQueue.innerPurge(DocumentsWriterFlushQueue.java:118)
> [junit] - waiting to lock <0x00000000e40ff2a8> (a
> org.apache.lucene.index.DocumentsWriterFlushQueue)
> [junit] at
> org.apache.lucene.index.DocumentsWriterFlushQueue.tryPurge(DocumentsWriterFlushQueue.java:141)
> [junit] at
> org.apache.lucene.index.DocumentsWriter.doFlush(DocumentsWriter.java:439)
> [junit] at
> org.apache.lucene.index.DocumentsWriter.postUpdate(DocumentsWriter.java:317)
> [junit] at
> org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:390)
> [junit] at
> org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1534)
> [junit] at
> org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1506)
> [junit] at
> org.apache.lucene.index.TestIndexWriterExceptions$IndexerThread.run(TestIndexWriterExceptions.java:187)
> [junit] "Indexer 0":
> [junit] at sun.misc.Unsafe.park(Native Method)
> [junit] - parking to wait for <0x00000000e414b408> (a
> java.util.concurrent.locks.ReentrantLock$NonfairSync)
> [junit] at
> java.util.concurrent.locks.LockSupport.park(LockSupport.java:158)
> [junit] at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:811)
> [junit] at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:842)
> [junit] at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1178)
> [junit] at
> java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:186)
> [junit] at
> java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:262)
> [junit] at
> org.apache.lucene.index.DocumentsWriterFlushQueue.forcePurge(DocumentsWriterFlushQueue.java:130)
> [junit] at
> org.apache.lucene.index.DocumentsWriterFlushQueue.addDeletesAndPurge(DocumentsWriterFlushQueue.java:50)
> [junit] - locked <0x00000000e40ff2a8> (a
> org.apache.lucene.index.DocumentsWriterFlushQueue)
> [junit] at
> org.apache.lucene.index.DocumentsWriter.applyAllDeletes(DocumentsWriter.java:179)
> [junit] at
> org.apache.lucene.index.DocumentsWriter.doFlush(DocumentsWriter.java:460)
> [junit] at
> org.apache.lucene.index.DocumentsWriter.postUpdate(DocumentsWriter.java:317)
> [junit] at
> org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:390)
> [junit] at
> org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1534)
> [junit] at
> org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1506)
> [junit] at
> org.apache.lucene.index.TestIndexWriterExceptions$IndexerThread.run(TestIndexWriterExceptions.java:187)
> [junit]
> [junit] Found 1 deadlock.
> [junit]
> [junit] Heap
> [junit] PSYoungGen total 67136K, used 4647K [0x00000000f5560000,
> 0x00000000fbc60000, 0x0000000100000000)
> [junit] eden space 65792K, 5% used
> [0x00000000f5560000,0x00000000f58a5e10,0x00000000f95a0000)
> [junit] from space 1344K, 96% used
> [0x00000000f9740000,0x00000000f98840a0,0x00000000f9890000)
> [junit] to space 19840K, 0% used
> [0x00000000fa900000,0x00000000fa900000,0x00000000fbc60000)
> [junit] PSOldGen total 171392K, used 66868K [0x00000000e0000000,
> 0x00000000ea760000, 0x00000000f5560000)
> [junit] object space 171392K, 39% used
> [0x00000000e0000000,0x00000000e414d080,0x00000000ea760000)
> [junit] PSPermGen total 21248K, used 14733K [0x00000000dae00000,
> 0x00000000dc2c0000, 0x00000000e0000000)
> [junit] object space 21248K, 69% used
> [0x00000000dae00000,0x00000000dbc635a8,0x00000000dc2c0000)
> [junit]
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