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From "Earwin Burrfoot (JIRA)" <j...@apache.org>
Subject [jira] Created: (LUCENE-1668) Trunk fails tests, FSD.open() - related
Date Sat, 30 May 2009 22:01:07 GMT
Trunk fails tests, FSD.open() - related
---------------------------------------

                 Key: LUCENE-1668
                 URL: https://issues.apache.org/jira/browse/LUCENE-1668
             Project: Lucene - Java
          Issue Type: Bug
         Environment: MacOS 10.6, Java 1.6 64bit
            Reporter: Earwin Burrfoot


    [junit] Testcase: testReadAfterClose(org.apache.lucene.index.TestCompoundFile):	FAILED
    [junit] expected readByte() to throw exception
    [junit] junit.framework.AssertionFailedError: expected readByte() to throw exception
    [junit] 	at org.apache.lucene.index.TestCompoundFile.demo_FSIndexInputBug(TestCompoundFile.java:345)
    [junit] 	at org.apache.lucene.index.TestCompoundFile.testReadAfterClose(TestCompoundFile.java:313)
    [junit] 	at org.apache.lucene.util.LuceneTestCase.runTest(LuceneTestCase.java:88)

This one is a non-bug, if you ask me. The test should fail on SimpleFSD, but on my system
FSD.open() creates MMapD and that one cannot be closed, so the read succeeds.

    [junit] ------------- Standard Output ---------------
    [junit] Thread[Thread-34,5,main]: exc
    [junit] java.nio.BufferUnderflowException
    [junit] 	at java.nio.Buffer.nextGetIndex(Buffer.java:474)
    [junit] 	at java.nio.DirectByteBuffer.get(DirectByteBuffer.java:229)
    [junit] 	at org.apache.lucene.store.MMapDirectory$MMapIndexInput.readByte(MMapDirectory.java:67)
    [junit] 	at org.apache.lucene.store.ChecksumIndexInput.readByte(ChecksumIndexInput.java:36)
    [junit] 	at org.apache.lucene.store.IndexInput.readInt(IndexInput.java:70)
    [junit] 	at org.apache.lucene.index.SegmentInfos.read(SegmentInfos.java:238)
    [junit] 	at org.apache.lucene.index.DirectoryIndexReader$1.doBody(DirectoryIndexReader.java:106)
    [junit] 	at org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:699)
    [junit] 	at org.apache.lucene.index.DirectoryIndexReader.open(DirectoryIndexReader.java:126)
    [junit] 	at org.apache.lucene.index.IndexReader.open(IndexReader.java:374)
    [junit] 	at org.apache.lucene.index.IndexReader.open(IndexReader.java:260)
    [junit] 	at org.apache.lucene.search.IndexSearcher.<init>(IndexSearcher.java:76)
    [junit] 	at org.apache.lucene.index.TestStressIndexing$SearcherThread.doWork(TestStressIndexing.java:109)
    [junit] 	at org.apache.lucene.index.TestStressIndexing$TimedThread.run(TestStressIndexing.java:52)
    [junit] NOTE: random seed of testcase 'testStressIndexAndSearching' was: -7374705829444180151
    [junit] ------------- ---------------- ---------------
    [junit] Testcase: testStressIndexAndSearching(org.apache.lucene.index.TestStressIndexing):
FAILED
    [junit] null
    [junit] junit.framework.AssertionFailedError
    [junit] 	at org.apache.lucene.index.TestStressIndexing.runStressTest(TestStressIndexing.java:155)
    [junit] 	at org.apache.lucene.index.TestStressIndexing.testStressIndexAndSearching(TestStressIndexing.java:178)
    [junit] 	at org.apache.lucene.util.LuceneTestCase.runTest(LuceneTestCase.java:88)

This one suceeds sometimes, sometimes (mostly) fails. Is obviously linked with switch to MMapD,
but what is the real cause - I don't know.

    [junit] ------------- Standard Output ---------------
    [junit] NOTE: random seed of testcase 'testSetBufferSize' was: 8481546620770090440
    [junit] ------------- ---------------- ---------------
    [junit] Testcase: testSetBufferSize(org.apache.lucene.store.TestBufferedIndexInput):	Caused
an ERROR
    [junit] org.apache.lucene.store.MMapDirectory$MMapIndexInput cannot be cast to org.apache.lucene.store.BufferedIndexInput
    [junit] java.lang.ClassCastException: org.apache.lucene.store.MMapDirectory$MMapIndexInput
cannot be cast to org.apache.lucene.store.BufferedIndexInput
    [junit] 	at org.apache.lucene.store.TestBufferedIndexInput$MockFSDirectory.tweakBufferSizes(TestBufferedIndexInput.java:226)
    [junit] 	at org.apache.lucene.store.TestBufferedIndexInput.testSetBufferSize(TestBufferedIndexInput.java:181)
    [junit] 	at org.apache.lucene.util.LuceneTestCase.runTest(LuceneTestCase.java:88)

Broken assumptions.


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