Build: https://builds.apache.org/hudson/job/Lucene-trunk/1566/

26 tests failed.
REGRESSION:  org.apache.lucene.index.TestNRTThreads.testNRTThreads

Error Message:
/usr/home/hudson/hudson-slave/workspace/Lucene-trunk/checkout/lucene/build/test/1/nrtopenfiles.-7825765439083935589/_85_2.doc
 (Too many open files in system)

Stack Trace:
java.io.FileNotFoundException: 
/usr/home/hudson/hudson-slave/workspace/Lucene-trunk/checkout/lucene/build/test/1/nrtopenfiles.-7825765439083935589/_85_2.doc
 (Too many open files in system)
        at java.io.RandomAccessFile.open(Native Method)
        at java.io.RandomAccessFile.<init>(RandomAccessFile.java:233)
        at 
org.apache.lucene.store.SimpleFSDirectory$SimpleFSIndexInput$Descriptor.<init>(SimpleFSDirectory.java:69)
        at 
org.apache.lucene.store.SimpleFSDirectory$SimpleFSIndexInput.<init>(SimpleFSDirectory.java:90)
        at 
org.apache.lucene.store.NIOFSDirectory$NIOFSIndexInput.<init>(NIOFSDirectory.java:91)
        at 
org.apache.lucene.store.NIOFSDirectory.openInput(NIOFSDirectory.java:78)
        at org.apache.lucene.store.FSDirectory.openInput(FSDirectory.java:337)
        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:402)
        at org.apache.lucene.store.Directory.openInput(Directory.java:118)
        at 
org.apache.lucene.index.codecs.mockintblock.MockFixedIntBlockCodec$MockIntFactory.openInput(MockFixedIntBlockCodec.java:82)
        at 
org.apache.lucene.index.codecs.sep.IntStreamFactory.openInput(IntStreamFactory.java:28)
        at 
org.apache.lucene.index.codecs.sep.SepPostingsReaderImpl.<init>(SepPostingsReaderImpl.java:67)
        at 
org.apache.lucene.index.codecs.mockintblock.MockFixedIntBlockCodec.fieldsProducer(MockFixedIntBlockCodec.java:145)
        at 
org.apache.lucene.index.PerFieldCodecWrapper$FieldsReader.<init>(PerFieldCodecWrapper.java:113)
        at 
org.apache.lucene.index.PerFieldCodecWrapper.fieldsProducer(PerFieldCodecWrapper.java:210)
        at 
org.apache.lucene.index.SegmentReader$CoreReaders.<init>(SegmentReader.java:131)
        at org.apache.lucene.index.SegmentReader.get(SegmentReader.java:495)
        at 
org.apache.lucene.index.IndexWriter$ReaderPool.get(IndexWriter.java:635)
        at 
org.apache.lucene.index.IndexWriter$ReaderPool.getReadOnlyClone(IndexWriter.java:593)
        at 
org.apache.lucene.index.DirectoryReader.<init>(DirectoryReader.java:172)
        at org.apache.lucene.index.IndexWriter.getReader(IndexWriter.java:383)
        at org.apache.lucene.index.IndexReader.open(IndexReader.java:316)
        at 
org.apache.lucene.index.TestNRTThreads.testNRTThreads(TestNRTThreads.java:233)
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1304)
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1233)


REGRESSION:  org.apache.lucene.index.TestNorms.testNorms

Error Message:
/usr/home/hudson/hudson-slave/workspace/Lucene-trunk/checkout/lucene/build/test/1/test1906320525725033594tmp/_3_3.pyl
 (Too many open files in system)

Stack Trace:
java.io.FileNotFoundException: 
/usr/home/hudson/hudson-slave/workspace/Lucene-trunk/checkout/lucene/build/test/1/test1906320525725033594tmp/_3_3.pyl
 (Too many open files in system)
        at java.io.RandomAccessFile.open(Native Method)
        at java.io.RandomAccessFile.<init>(RandomAccessFile.java:233)
        at 
org.apache.lucene.store.SimpleFSDirectory$SimpleFSIndexInput$Descriptor.<init>(SimpleFSDirectory.java:69)
        at 
org.apache.lucene.store.SimpleFSDirectory$SimpleFSIndexInput.<init>(SimpleFSDirectory.java:90)
        at 
org.apache.lucene.store.NIOFSDirectory$NIOFSIndexInput.<init>(NIOFSDirectory.java:91)
        at 
org.apache.lucene.store.NIOFSDirectory.openInput(NIOFSDirectory.java:78)
        at org.apache.lucene.store.FSDirectory.openInput(FSDirectory.java:337)
        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:402)
        at org.apache.lucene.store.Directory.openInput(Directory.java:118)
        at 
org.apache.lucene.index.codecs.sep.SepPostingsReaderImpl.<init>(SepPostingsReaderImpl.java:74)
        at 
org.apache.lucene.index.codecs.mockintblock.MockVariableIntBlockCodec.fieldsProducer(MockVariableIntBlockCodec.java:169)
        at 
org.apache.lucene.index.PerFieldCodecWrapper$FieldsReader.<init>(PerFieldCodecWrapper.java:113)
        at 
org.apache.lucene.index.PerFieldCodecWrapper.fieldsProducer(PerFieldCodecWrapper.java:210)
        at 
org.apache.lucene.index.SegmentReader$CoreReaders.<init>(SegmentReader.java:131)
        at org.apache.lucene.index.SegmentReader.get(SegmentReader.java:495)
        at org.apache.lucene.index.SegmentReader.get(SegmentReader.java:472)
        at 
org.apache.lucene.index.DirectoryReader.<init>(DirectoryReader.java:123)
        at 
org.apache.lucene.index.DirectoryReader$1.doBody(DirectoryReader.java:89)
        at 
org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:701)
        at org.apache.lucene.index.DirectoryReader.open(DirectoryReader.java:84)
        at org.apache.lucene.index.IndexReader.open(IndexReader.java:500)
        at org.apache.lucene.index.IndexReader.open(IndexReader.java:293)
        at org.apache.lucene.index.TestNorms.verifyIndex(TestNorms.java:188)
        at org.apache.lucene.index.TestNorms.doTestNorms(TestNorms.java:152)
        at org.apache.lucene.index.TestNorms.testNorms(TestNorms.java:101)
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1304)
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1233)


REGRESSION:  
org.apache.lucene.index.TestPerFieldCodecSupport.testStressPerFieldCodec

Error Message:
this writer hit an OutOfMemoryError; cannot complete optimize

Stack Trace:
java.lang.IllegalStateException: this writer hit an OutOfMemoryError; cannot 
complete optimize
        at org.apache.lucene.index.IndexWriter.optimize(IndexWriter.java:1578)
        at org.apache.lucene.index.IndexWriter.optimize(IndexWriter.java:1526)
        at org.apache.lucene.index.IndexWriter.optimize(IndexWriter.java:1496)
        at 
org.apache.lucene.index.TestPerFieldCodecSupport.testStressPerFieldCodec(TestPerFieldCodecSupport.java:306)
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1304)
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1233)


REGRESSION:  org.apache.lucene.index.TestRollingUpdates.testRollingUpdates

Error Message:
GC overhead limit exceeded

Stack Trace:
java.lang.OutOfMemoryError: GC overhead limit exceeded
        at org.apache.lucene.store.RAMFile.newBuffer(RAMFile.java:84)
        at org.apache.lucene.store.RAMFile.addBuffer(RAMFile.java:57)
        at 
org.apache.lucene.store.RAMOutputStream.switchCurrentBuffer(RAMOutputStream.java:132)
        at 
org.apache.lucene.store.RAMOutputStream.writeBytes(RAMOutputStream.java:118)
        at 
org.apache.lucene.store.MockIndexOutputWrapper.writeBytes(MockIndexOutputWrapper.java:119)
        at 
org.apache.lucene.index.codecs.sep.SepPostingsWriterImpl.addPosition(SepPostingsWriterImpl.java:241)
        at 
org.apache.lucene.index.FreqProxTermsWriterPerField.flush(FreqProxTermsWriterPerField.java:385)
        at 
org.apache.lucene.index.FreqProxTermsWriter.flush(FreqProxTermsWriter.java:87)
        at org.apache.lucene.index.TermsHash.flush(TermsHash.java:118)
        at org.apache.lucene.index.DocInverter.flush(DocInverter.java:80)
        at 
org.apache.lucene.index.DocFieldProcessor.flush(DocFieldProcessor.java:75)
        at 
org.apache.lucene.index.DocumentsWriterPerThread.flush(DocumentsWriterPerThread.java:381)
        at 
org.apache.lucene.index.DocumentsWriter.doFlush(DocumentsWriter.java:376)
        at 
org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:333)
        at 
org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1362)
        at 
org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1334)
        at 
org.apache.lucene.index.TestRollingUpdates.testRollingUpdates(TestRollingUpdates.java:52)
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1304)
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1233)


REGRESSION:  org.apache.lucene.index.TestRollingUpdates.testUpdateSameDoc

Error Message:
expected:<1> but was:<0>

Stack Trace:
junit.framework.AssertionFailedError: expected:<1> but was:<0>
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1304)
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1233)
        at 
org.apache.lucene.index.TestRollingUpdates.testUpdateSameDoc(TestRollingUpdates.java:101)


REGRESSION:  org.apache.lucene.index.TestSegmentTermDocs.testIndexDivisor

Error Message:
close() called in wrong state: INCREMENT

Stack Trace:
junit.framework.AssertionFailedError: close() called in wrong state: INCREMENT
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1304)
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1233)
        at 
org.apache.lucene.analysis.MockTokenizer.close(MockTokenizer.java:160)
        at org.apache.lucene.analysis.TokenFilter.close(TokenFilter.java:48)
        at org.apache.lucene.analysis.TokenFilter.close(TokenFilter.java:48)
        at 
org.apache.lucene.index.DocInverterPerField.processFields(DocInverterPerField.java:184)
        at 
org.apache.lucene.index.DocFieldProcessor.processDocument(DocFieldProcessor.java:240)
        at 
org.apache.lucene.index.DocumentsWriterPerThread.updateDocument(DocumentsWriterPerThread.java:227)
        at 
org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:320)
        at 
org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1362)
        at 
org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1227)
        at 
org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1208)
        at org.apache.lucene.index.DocHelper.writeDoc(DocHelper.java:243)
        at org.apache.lucene.index.DocHelper.writeDoc(DocHelper.java:226)
        at 
org.apache.lucene.index.TestSegmentTermDocs.testIndexDivisor(TestSegmentTermDocs.java:254)


REGRESSION:  org.apache.lucene.index.TestThreadedOptimize.testThreadedOptimize

Error Message:
null

Stack Trace:
junit.framework.AssertionFailedError: 
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1304)
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1233)
        at 
org.apache.lucene.index.TestThreadedOptimize.runTest(TestThreadedOptimize.java:112)
        at 
org.apache.lucene.index.TestThreadedOptimize.testThreadedOptimize(TestThreadedOptimize.java:138)


REGRESSION:  org.apache.lucene.search.TestThreadSafe.testLazyLoadThreadSafety

Error Message:
org/apache/lucene/search/TestThreadSafe$Thr

Stack Trace:
java.lang.NoClassDefFoundError: org/apache/lucene/search/TestThreadSafe$Thr
        at 
org.apache.lucene.search.TestThreadSafe.doTest(TestThreadSafe.java:127)
        at 
org.apache.lucene.search.TestThreadSafe.testLazyLoadThreadSafety(TestThreadSafe.java:148)
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1304)
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1233)
Caused by: java.lang.ClassNotFoundException: 
org.apache.lucene.search.TestThreadSafe$Thr
        at java.net.URLClassLoader$1.run(URLClassLoader.java:214)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:321)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
Caused by: java.io.FileNotFoundException: 
/usr/home/hudson/hudson-slave/workspace/Lucene-trunk/checkout/lucene/build/classes/test/org/apache/lucene/search/TestThreadSafe$Thr.class
 (Too many open files in system)
        at java.io.FileInputStream.open(Native Method)
        at java.io.FileInputStream.<init>(FileInputStream.java:137)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1005)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:266)
        at java.net.URLClassLoader.access$000(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:212)


REGRESSION:  org.apache.lucene.store.TestBufferedIndexInput.testSetBufferSize

Error Message:
/usr/home/hudson/hudson-slave/workspace/Lucene-trunk/checkout/lucene/build/test/1/testSetBufferSize.8999944619945553728/_0.tvx
 (Too many open files in system)

Stack Trace:
java.io.FileNotFoundException: 
/usr/home/hudson/hudson-slave/workspace/Lucene-trunk/checkout/lucene/build/test/1/testSetBufferSize.8999944619945553728/_0.tvx
 (Too many open files in system)
        at java.io.RandomAccessFile.open(Native Method)
        at java.io.RandomAccessFile.<init>(RandomAccessFile.java:233)
        at 
org.apache.lucene.store.FSDirectory$FSIndexOutput.<init>(FSDirectory.java:440)
        at 
org.apache.lucene.store.FSDirectory.createOutput(FSDirectory.java:304)
        at 
org.apache.lucene.store.TestBufferedIndexInput$MockFSDirectory.createOutput(TestBufferedIndexInput.java:333)
        at 
org.apache.lucene.index.TermVectorsTermsWriter.initTermVectorsWriter(TermVectorsTermsWriter.java:97)
        at 
org.apache.lucene.index.TermVectorsTermsWriter.finishDocument(TermVectorsTermsWriter.java:118)
        at org.apache.lucene.index.TermsHash.finishDocument(TermsHash.java:141)
        at 
org.apache.lucene.index.DocInverter.finishDocument(DocInverter.java:94)
        at 
org.apache.lucene.index.DocFieldProcessor.finishDocument(DocFieldProcessor.java:260)
        at 
org.apache.lucene.index.DocumentsWriterPerThread.updateDocument(DocumentsWriterPerThread.java:246)
        at 
org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:320)
        at 
org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1362)
        at 
org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1227)
        at 
org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1208)
        at 
org.apache.lucene.store.TestBufferedIndexInput.testSetBufferSize(TestBufferedIndexInput.java:256)
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1304)
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1233)


REGRESSION:  org.apache.lucene.store.TestHugeRamFile.testHugeFile

Error Message:
Java heap space

Stack Trace:
java.lang.OutOfMemoryError: Java heap space


REGRESSION:  org.apache.lucene.store.TestLockFactory.testStressLocks

Error Message:
/usr/home/hudson/hudson-slave/workspace/Lucene-trunk/checkout/lucene/build/test/1/index.TestLockFactory6.6618716274058335913/_0.tvd
 (Too many open files in system)

Stack Trace:
java.io.FileNotFoundException: 
/usr/home/hudson/hudson-slave/workspace/Lucene-trunk/checkout/lucene/build/test/1/index.TestLockFactory6.6618716274058335913/_0.tvd
 (Too many open files in system)
        at java.io.RandomAccessFile.open(Native Method)
        at java.io.RandomAccessFile.<init>(RandomAccessFile.java:233)
        at 
org.apache.lucene.store.FSDirectory$FSIndexOutput.<init>(FSDirectory.java:440)
        at 
org.apache.lucene.store.FSDirectory.createOutput(FSDirectory.java:304)
        at 
org.apache.lucene.store.MockDirectoryWrapper.createOutput(MockDirectoryWrapper.java:366)
        at 
org.apache.lucene.index.TermVectorsTermsWriter.initTermVectorsWriter(TermVectorsTermsWriter.java:98)
        at 
org.apache.lucene.index.TermVectorsTermsWriter.finishDocument(TermVectorsTermsWriter.java:118)
        at org.apache.lucene.index.TermsHash.finishDocument(TermsHash.java:141)
        at 
org.apache.lucene.index.DocInverter.finishDocument(DocInverter.java:94)
        at 
org.apache.lucene.index.DocFieldProcessor.finishDocument(DocFieldProcessor.java:260)
        at 
org.apache.lucene.index.DocumentsWriterPerThread.updateDocument(DocumentsWriterPerThread.java:246)
        at 
org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:320)
        at 
org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1362)
        at 
org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1227)
        at 
org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1208)
        at 
org.apache.lucene.store.TestLockFactory.addDoc(TestLockFactory.java:413)
        at 
org.apache.lucene.store.TestLockFactory._testStressLocks(TestLockFactory.java:152)
        at 
org.apache.lucene.store.TestLockFactory.testStressLocks(TestLockFactory.java:135)
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1304)
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1233)


REGRESSION:  
org.apache.lucene.store.TestLockFactory.testStressLocksNativeFSLockFactory

Error Message:
directory 
'/usr/home/hudson/hudson-slave/workspace/Lucene-trunk/checkout/lucene/build/test/1/index.TestLockFactory7.-5854570573166959877'
 exists and is a directory, but cannot be listed: list() returned null

Stack Trace:
java.io.IOException: directory 
'/usr/home/hudson/hudson-slave/workspace/Lucene-trunk/checkout/lucene/build/test/1/index.TestLockFactory7.-5854570573166959877'
 exists and is a directory, but cannot be listed: list() returned null
        at org.apache.lucene.store.FSDirectory.listAll(FSDirectory.java:239)
        at org.apache.lucene.store.FSDirectory.listAll(FSDirectory.java:250)
        at 
org.apache.lucene.store.MockDirectoryWrapper.listAll(MockDirectoryWrapper.java:547)
        at 
org.apache.lucene.index.IndexFileDeleter.<init>(IndexFileDeleter.java:153)
        at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:831)
        at 
org.apache.lucene.store.TestLockFactory._testStressLocks(TestLockFactory.java:151)
        at 
org.apache.lucene.store.TestLockFactory.testStressLocksNativeFSLockFactory(TestLockFactory.java:144)
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1304)
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1233)


REGRESSION:  org.apache.lucene.store.TestMultiMMap.testRandomChunkSizes

Error Message:
directory 
'/usr/home/hudson/hudson-slave/workspace/Lucene-trunk/checkout/lucene/build/test/1/TestMultiMMap.-2236081477477991871/mmap203896657475385456976tmp'
 exists and is a directory, but cannot be listed: list() returned null

Stack Trace:
java.io.IOException: directory 
'/usr/home/hudson/hudson-slave/workspace/Lucene-trunk/checkout/lucene/build/test/1/TestMultiMMap.-2236081477477991871/mmap203896657475385456976tmp'
 exists and is a directory, but cannot be listed: list() returned null
        at org.apache.lucene.store.FSDirectory.listAll(FSDirectory.java:239)
        at org.apache.lucene.store.FSDirectory.listAll(FSDirectory.java:250)
        at 
org.apache.lucene.index.IndexFileDeleter.<init>(IndexFileDeleter.java:153)
        at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:831)
        at 
org.apache.lucene.index.RandomIndexWriter$MockIndexWriter.<init>(RandomIndexWriter.java:54)
        at 
org.apache.lucene.index.RandomIndexWriter.<init>(RandomIndexWriter.java:87)
        at 
org.apache.lucene.store.TestMultiMMap.assertChunking(TestMultiMMap.java:62)
        at 
org.apache.lucene.store.TestMultiMMap.testRandomChunkSizes(TestMultiMMap.java:50)
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1304)
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1233)


REGRESSION:  org.apache.lucene.store.TestRAMDirectory.testRAMDirectory

Error Message:
directory 
'/usr/home/hudson/hudson-slave/workspace/Lucene-trunk/checkout/lucene/build/test/1/RAMDirIndex.3002959153907114282'
 exists and is a directory, but cannot be listed: list() returned null

Stack Trace:
java.io.IOException: directory 
'/usr/home/hudson/hudson-slave/workspace/Lucene-trunk/checkout/lucene/build/test/1/RAMDirIndex.3002959153907114282'
 exists and is a directory, but cannot be listed: list() returned null
        at org.apache.lucene.store.FSDirectory.listAll(FSDirectory.java:239)
        at org.apache.lucene.store.FSDirectory.listAll(FSDirectory.java:250)
        at 
org.apache.lucene.store.MockDirectoryWrapper.listAll(MockDirectoryWrapper.java:547)
        at 
org.apache.lucene.index.IndexFileDeleter.<init>(IndexFileDeleter.java:153)
        at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:831)
        at 
org.apache.lucene.store.TestRAMDirectory.setUp(TestRAMDirectory.java:56)
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1304)
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1233)


REGRESSION:  org.apache.lucene.store.TestRAMDirectory.testRAMDirectorySize

Error Message:
directory 
'/usr/home/hudson/hudson-slave/workspace/Lucene-trunk/checkout/lucene/build/test/1/RAMDirIndex.5456422963250677223'
 exists and is a directory, but cannot be listed: list() returned null

Stack Trace:
java.io.IOException: directory 
'/usr/home/hudson/hudson-slave/workspace/Lucene-trunk/checkout/lucene/build/test/1/RAMDirIndex.5456422963250677223'
 exists and is a directory, but cannot be listed: list() returned null
        at org.apache.lucene.store.FSDirectory.listAll(FSDirectory.java:239)
        at org.apache.lucene.store.FSDirectory.listAll(FSDirectory.java:250)
        at 
org.apache.lucene.store.MockDirectoryWrapper.listAll(MockDirectoryWrapper.java:547)
        at 
org.apache.lucene.index.IndexFileDeleter.<init>(IndexFileDeleter.java:153)
        at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:831)
        at 
org.apache.lucene.store.TestRAMDirectory.setUp(TestRAMDirectory.java:56)
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1304)
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1233)


REGRESSION:  org.apache.lucene.store.TestRAMDirectory.testIllegalEOF

Error Message:
directory 
'/usr/home/hudson/hudson-slave/workspace/Lucene-trunk/checkout/lucene/build/test/1/RAMDirIndex.7699857565990948375'
 exists and is a directory, but cannot be listed: list() returned null

Stack Trace:
java.io.IOException: directory 
'/usr/home/hudson/hudson-slave/workspace/Lucene-trunk/checkout/lucene/build/test/1/RAMDirIndex.7699857565990948375'
 exists and is a directory, but cannot be listed: list() returned null
        at org.apache.lucene.store.FSDirectory.listAll(FSDirectory.java:239)
        at org.apache.lucene.store.FSDirectory.listAll(FSDirectory.java:250)
        at 
org.apache.lucene.store.MockDirectoryWrapper.listAll(MockDirectoryWrapper.java:547)
        at 
org.apache.lucene.index.IndexFileDeleter.<init>(IndexFileDeleter.java:153)
        at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:831)
        at 
org.apache.lucene.store.TestRAMDirectory.setUp(TestRAMDirectory.java:56)
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1304)
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1233)


REGRESSION:  org.apache.lucene.store.TestRAMDirectory.testSeekToEOFThenBack

Error Message:
directory 
'/usr/home/hudson/hudson-slave/workspace/Lucene-trunk/checkout/lucene/build/test/1/RAMDirIndex.-8248483608570120285'
 exists and is a directory, but cannot be listed: list() returned null

Stack Trace:
java.io.IOException: directory 
'/usr/home/hudson/hudson-slave/workspace/Lucene-trunk/checkout/lucene/build/test/1/RAMDirIndex.-8248483608570120285'
 exists and is a directory, but cannot be listed: list() returned null
        at org.apache.lucene.store.FSDirectory.listAll(FSDirectory.java:239)
        at org.apache.lucene.store.FSDirectory.listAll(FSDirectory.java:250)
        at 
org.apache.lucene.store.MockDirectoryWrapper.listAll(MockDirectoryWrapper.java:547)
        at 
org.apache.lucene.index.IndexFileDeleter.<init>(IndexFileDeleter.java:153)
        at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:831)
        at 
org.apache.lucene.store.TestRAMDirectory.setUp(TestRAMDirectory.java:56)
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1304)
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1233)


FAILED:  junit.framework.TestSuite.org.apache.lucene.store.TestRAMDirectory

Error Message:
directory of test was not closed, opened from: 
org.apache.lucene.store.TestRAMDirectory.setUp(TestRAMDirectory.java:55)

Stack Trace:
junit.framework.AssertionFailedError: directory of test was not closed, opened 
from: org.apache.lucene.store.TestRAMDirectory.setUp(TestRAMDirectory.java:55)
        at 
org.apache.lucene.util.LuceneTestCase.afterClassLuceneTestCaseJ4(LuceneTestCase.java:430)


REGRESSION:  org.apache.lucene.store.TestWindowsMMap.testMmapIndex

Error Message:
directory 
'/usr/home/hudson/hudson-slave/workspace/Lucene-trunk/checkout/lucene/build/test/1/testLuceneMmap.-6764696153869021990'
 exists and is a directory, but cannot be listed: list() returned null

Stack Trace:
java.io.IOException: directory 
'/usr/home/hudson/hudson-slave/workspace/Lucene-trunk/checkout/lucene/build/test/1/testLuceneMmap.-6764696153869021990'
 exists and is a directory, but cannot be listed: list() returned null
        at org.apache.lucene.store.FSDirectory.listAll(FSDirectory.java:239)
        at org.apache.lucene.store.FSDirectory.listAll(FSDirectory.java:250)
        at 
org.apache.lucene.index.IndexFileDeleter.<init>(IndexFileDeleter.java:153)
        at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:831)
        at 
org.apache.lucene.store.TestWindowsMMap.testMmapIndex(TestWindowsMMap.java:77)
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1304)
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1233)


REGRESSION:  org.apache.lucene.util.automaton.TestDeterminizeLexicon.testLexicon

Error Message:
GC overhead limit exceeded

Stack Trace:
java.lang.OutOfMemoryError: GC overhead limit exceeded


FAILED:  org.apache.lucene.util.automaton.TestMinimize.testMinimizeHuge

Error Message:
GC overhead limit exceeded

Stack Trace:
java.lang.OutOfMemoryError: GC overhead limit exceeded


FAILED:  org.apache.lucene.util.automaton.fst.TestFSTs.testBigSet

Error Message:
GC overhead limit exceeded

Stack Trace:
java.lang.OutOfMemoryError: GC overhead limit exceeded


REGRESSION:  org.apache.lucene.util.automaton.fst.TestFSTs.testRealTerms

Error Message:
close() called in wrong state: INCREMENT

Stack Trace:
junit.framework.AssertionFailedError: close() called in wrong state: INCREMENT
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1304)
        at 
org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:1233)
        at 
org.apache.lucene.analysis.MockTokenizer.close(MockTokenizer.java:160)
        at org.apache.lucene.analysis.TokenFilter.close(TokenFilter.java:48)
        at org.apache.lucene.analysis.TokenFilter.close(TokenFilter.java:48)
        at 
org.apache.lucene.index.DocInverterPerField.processFields(DocInverterPerField.java:184)
        at 
org.apache.lucene.index.DocFieldProcessor.processDocument(DocFieldProcessor.java:240)
        at 
org.apache.lucene.index.DocumentsWriterPerThread.updateDocument(DocumentsWriterPerThread.java:227)
        at 
org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:320)
        at 
org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1362)
        at 
org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1227)
        at 
org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1208)
        at 
org.apache.lucene.util.automaton.fst.TestFSTs.testRealTerms(TestFSTs.java:996)


REGRESSION:  org.apache.lucene.util.packed.TestPackedInts.testPackedInts

Error Message:
GC overhead limit exceeded

Stack Trace:
java.lang.OutOfMemoryError: GC overhead limit exceeded


REGRESSION:  org.apache.lucene.util.packed.TestPackedInts.testRandomEquality

Error Message:
GC overhead limit exceeded

Stack Trace:
java.lang.OutOfMemoryError: GC overhead limit exceeded


REGRESSION:  org.apache.lucene.util.packed.TestPackedInts.testIntOverflow

Error Message:
Java heap space

Stack Trace:
java.lang.OutOfMemoryError: Java heap space




Build Log (for compile errors):
[...truncated 15341 lines...]



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