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Posted to dev@lucene.apache.org by "Vitaly Funstein (JIRA)" <ji...@apache.org> on 2014/09/10 03:01:29 UTC
[jira] [Created] (LUCENE-5931)
DirectoryReader.openIfChanged(oldReader, commit) incorrectly assumes given
commit points has deletes/field updates
Vitaly Funstein created LUCENE-5931:
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Summary: DirectoryReader.openIfChanged(oldReader, commit) incorrectly assumes given commit points has deletes/field updates
Key: LUCENE-5931
URL: https://issues.apache.org/jira/browse/LUCENE-5931
Project: Lucene - Core
Issue Type: Bug
Components: core/index
Affects Versions: 4.6.1
Reporter: Vitaly Funstein
Priority: Critical
{{StandardDirectoryReader}} assumes that the segments from commit point have deletes, when they may not, yet the original SegmentReader for the segment that we are trying to reuse does. This is evident when running attached JUnit test case with asserts enabled (default):
{noformat}
java.lang.AssertionError
at org.apache.lucene.index.StandardDirectoryReader.open(StandardDirectoryReader.java:188)
at org.apache.lucene.index.StandardDirectoryReader.doOpenIfChanged(StandardDirectoryReader.java:326)
at org.apache.lucene.index.StandardDirectoryReader$2.doBody(StandardDirectoryReader.java:320)
at org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:702)
at org.apache.lucene.index.StandardDirectoryReader.doOpenFromCommit(StandardDirectoryReader.java:315)
at org.apache.lucene.index.StandardDirectoryReader.doOpenNoWriter(StandardDirectoryReader.java:311)
at org.apache.lucene.index.StandardDirectoryReader.doOpenIfChanged(StandardDirectoryReader.java:262)
at org.apache.lucene.index.DirectoryReader.openIfChanged(DirectoryReader.java:183)
{noformat}
or, if asserts are disabled then it falls through into NPE:
{noformat}
java.lang.NullPointerException
at java.io.File.<init>(File.java:305)
at org.apache.lucene.store.NIOFSDirectory.openInput(NIOFSDirectory.java:80)
at org.apache.lucene.codecs.lucene40.BitVector.<init>(BitVector.java:327)
at org.apache.lucene.codecs.lucene40.Lucene40LiveDocsFormat.readLiveDocs(Lucene40LiveDocsFormat.java:90)
at org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:131)
at org.apache.lucene.index.StandardDirectoryReader.open(StandardDirectoryReader.java:194)
at org.apache.lucene.index.StandardDirectoryReader.doOpenIfChanged(StandardDirectoryReader.java:326)
at org.apache.lucene.index.StandardDirectoryReader$2.doBody(StandardDirectoryReader.java:320)
at org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:702)
at org.apache.lucene.index.StandardDirectoryReader.doOpenFromCommit(StandardDirectoryReader.java:315)
at org.apache.lucene.index.StandardDirectoryReader.doOpenNoWriter(StandardDirectoryReader.java:311)
at org.apache.lucene.index.StandardDirectoryReader.doOpenIfChanged(StandardDirectoryReader.java:262)
at org.apache.lucene.index.DirectoryReader.openIfChanged(DirectoryReader.java:183)
{noformat}
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