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https://issues.apache.org/jira/browse/LUCENE-3463?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13121009#comment-13121009
]
Michael McCandless commented on LUCENE-3463:
--------------------------------------------
Thanks Uwe!
> Jenkins trunk tests (nightly only) fail quite often with OOM in Automaton/FST
> tests
> -----------------------------------------------------------------------------------
>
> Key: LUCENE-3463
> URL: https://issues.apache.org/jira/browse/LUCENE-3463
> Project: Lucene - Java
> Issue Type: Bug
> Affects Versions: 4.0
> Reporter: Uwe Schindler
> Assignee: Uwe Schindler
> Fix For: 4.0
>
> Attachments: LUCENE-3463.patch, LUCENE-3463.patch, LUCENE-3463.patch,
> LUCENE-3463.patch, LUCENE-3463.patch, LUCENE-3463.patch, LUCENE-3463.patch,
> LUCENE-3463.patch
>
>
> The nightly Job Lucene-trunk quite often fails with OOM (in several methods,
> not always in the same test):
> Example from last night (this time a huge Automaton):
> {noformat}
> [junit] java.lang.OutOfMemoryError: Java heap space
> [junit] Dumping heap to
> /home/hudson/hudson-slave/workspace/Lucene-trunk/heapdumps/java_pid38855.hprof
> ...
> [junit] Heap dump file created [86965954 bytes in 1.186 secs]
> [junit] Testsuite: org.apache.lucene.index.TestTermsEnum
> [junit] Testcase: testIntersectRandom(org.apache.lucene.index.TestTermsEnum):
> Caused an ERROR
> [junit] Java heap space
> [junit] java.lang.OutOfMemoryError: Java heap space
> [junit] at
> org.apache.lucene.util.automaton.RunAutomaton.<init>(RunAutomaton.java:128)
> [junit] at
> org.apache.lucene.util.automaton.ByteRunAutomaton.<init>(ByteRunAutomaton.java:28)
> [junit] at
> org.apache.lucene.util.automaton.CompiledAutomaton.<init>(CompiledAutomaton.java:134)
> [junit] at
> org.apache.lucene.index.TestTermsEnum.testIntersectRandom(TestTermsEnum.java:266)
> [junit] at
> org.apache.lucene.util.LuceneTestCase$2$1.evaluate(LuceneTestCase.java:611)
> [junit] at
> org.apache.lucene.util.LuceneTestCaseRunner.runChild(LuceneTestCaseRunner.java:148)
> [junit] at
> org.apache.lucene.util.LuceneTestCaseRunner.runChild(LuceneTestCaseRunner.java:50)
> [junit]
> [junit]
> [junit] Tests run: 6, Failures: 0, Errors: 1, Time elapsed: 11.699 sec
> {noformat}
> Other traces:
> {noformat}
> [junit] Testsuite: org.apache.lucene.util.fst.TestFSTs
> [junit] Testcase: testRealTerms(org.apache.lucene.util.fst.TestFSTs): Caused
> an ERROR
> [junit] Java heap space
> [junit] java.lang.OutOfMemoryError: Java heap space
> [junit] at org.apache.lucene.util.ArrayUtil.grow(ArrayUtil.java:338)
> [junit] at
> org.apache.lucene.util.fst.FST$BytesWriter.writeBytes(FST.java:927)
> [junit] at
> org.apache.lucene.util.fst.ByteSequenceOutputs.write(ByteSequenceOutputs.java:113)
> [junit] at
> org.apache.lucene.util.fst.ByteSequenceOutputs.write(ByteSequenceOutputs.java:32)
> [junit] at org.apache.lucene.util.fst.FST.addNode(FST.java:451)
> [junit] at org.apache.lucene.util.fst.NodeHash.add(NodeHash.java:122)
> [junit] at
> org.apache.lucene.util.fst.Builder.compileNode(Builder.java:180)
> [junit] at org.apache.lucene.util.fst.Builder.finish(Builder.java:495)
> [junit] at
> org.apache.lucene.index.codecs.memory.MemoryCodec$TermsWriter.finish(MemoryCodec.java:232)
> [junit] at
> org.apache.lucene.index.FreqProxTermsWriterPerField.flush(FreqProxTermsWriterPerField.java:414)
> [junit] at
> org.apache.lucene.index.FreqProxTermsWriter.flush(FreqProxTermsWriter.java:92)
> [junit] at org.apache.lucene.index.TermsHash.flush(TermsHash.java:117)
> [junit] at
> org.apache.lucene.index.DocInverter.flush(DocInverter.java:80)
> [junit] at
> org.apache.lucene.index.DocFieldProcessor.flush(DocFieldProcessor.java:78)
> [junit] at
> org.apache.lucene.index.DocumentsWriterPerThread.flush(DocumentsWriterPerThread.java:472)
> [junit] at
> org.apache.lucene.index.DocumentsWriter.doFlush(DocumentsWriter.java:420)
> [junit] at
> org.apache.lucene.index.DocumentsWriter.flushAllThreads(DocumentsWriter.java:568)
> [junit] at
> org.apache.lucene.index.IndexWriter.getReader(IndexWriter.java:366)
> [junit] at
> org.apache.lucene.index.IndexReader.open(IndexReader.java:317)
> [junit] at
> org.apache.lucene.util.fst.TestFSTs.testRealTerms(TestFSTs.java:1034)
> [junit] at
> org.apache.lucene.util.LuceneTestCase$2$1.evaluate(LuceneTestCase.java:611)
> {noformat}
> or:
> {noformat}
> [junit] Testsuite: org.apache.lucene.util.automaton.TestCompiledAutomaton
> [junit] Testcase:
> testRandom(org.apache.lucene.util.automaton.TestCompiledAutomaton): Caused an
> ERROR
> [junit] Java heap space
> [junit] java.lang.OutOfMemoryError: Java heap space
> [junit] at
> org.apache.lucene.util.automaton.RunAutomaton.<init>(RunAutomaton.java:128)
> [junit] at
> org.apache.lucene.util.automaton.ByteRunAutomaton.<init>(ByteRunAutomaton.java:28)
> [junit] at
> org.apache.lucene.util.automaton.CompiledAutomaton.<init>(CompiledAutomaton.java:134)
> [junit] at
> org.apache.lucene.util.automaton.TestCompiledAutomaton.build(TestCompiledAutomaton.java:39)
> [junit] at
> org.apache.lucene.util.automaton.TestCompiledAutomaton.testTerms(TestCompiledAutomaton.java:55)
> [junit] at
> org.apache.lucene.util.automaton.TestCompiledAutomaton.testRandom(TestCompiledAutomaton.java:101)
> [junit] at
> org.apache.lucene.util.LuceneTestCase$2$1.evaluate(LuceneTestCase.java:611)
> [junit] at
> org.apache.lucene.util.LuceneTestCaseRunner.runChild(LuceneTestCaseRunner.java:148)
> [junit] at
> org.apache.lucene.util.LuceneTestCaseRunner.runChild(LuceneTestCaseRunner.java:50)
> {noformat}
> Almost every nightly test fails, history:
> [https://builds.apache.org/job/Lucene-trunk]
> We should maybe raise the max heap space or reduce doc counts/...
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