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Date: Mon, 1 Jun 2009 11:37:07 -0700 (PDT)
From: "Uwe Schindler (JIRA)" <jira@apache.org>
To: java-dev@lucene.apache.org
Subject: [jira] Resolved: (LUCENE-1668) Trunk fails tests, FSD.open() -
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     [ https://issues.apache.org/jira/browse/LUCENE-1668?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Uwe Schindler resolved LUCENE-1668.
-----------------------------------

    Resolution: Fixed

This is fixed by the last commit (revision: 780770) of LUCENE-1658

> 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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