[ 
https://issues.apache.org/jira/browse/LUCENE-1474?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12710988#action_12710988
 ] 

Erik van Zijst edited comment on LUCENE-1474 at 5/19/09 8:40 PM:
-----------------------------------------------------------------

For some time now we've been getting similar assertion errors on our 
development machines when running with assertions enabled (disabling them kills 
the assertion error and doesn't _appear_ to have any negative impact though).

We're running with lucene 2.4.1 and the unit test attached to this issue 
succeeds as expected, but our own code still appears to trigger a similar 
problem:

     [java] ERROR - Problem processing revisions from repo 
https://studio.atlassian.com/svn/FE due to class java.lang.AssertionError - 
delete count mismatch: info=128 vs BitVector=126
     [java] java.lang.AssertionError: delete count mismatch: info=128 vs 
BitVector=126
     [java]     at 
org.apache.lucene.index.SegmentReader.loadDeletedDocs(SegmentReader.java:405)
     [java]     at 
org.apache.lucene.index.SegmentReader.initialize(SegmentReader.java:368)
     [java]     at 
org.apache.lucene.index.SegmentReader.get(SegmentReader.java:306)
     [java]     at 
org.apache.lucene.index.SegmentReader.get(SegmentReader.java:228)
     [java]     at 
org.apache.lucene.index.MultiSegmentReader.<init>(MultiSegmentReader.java:55)
     [java]     at 
org.apache.lucene.index.DirectoryIndexReader$1.doBody(DirectoryIndexReader.java:104)
     [java]     at 
org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:653)
     [java]     at 
org.apache.lucene.index.DirectoryIndexReader.open(DirectoryIndexReader.java:115)
     [java]     at 
org.apache.lucene.index.IndexReader.open(IndexReader.java:316)
     [java]     at 
org.apache.lucene.index.IndexReader.open(IndexReader.java:216)
     [java]     at 
com.cenqua.fisheye.lucene.LuceneConnection.getReader(LuceneConnection.java:309)
     [java]     at 
com.cenqua.fisheye.lucene.LuceneConnection.withReaderAndDeletes(LuceneConnection.java:158)
     [java]     at 
com.cenqua.fisheye.rep.RepositoryIndexer.deleteDocuments(RepositoryIndexer.java:146)
     [java]     at 
com.cenqua.fisheye.rep.RepositoryIndexer.deleteContent(RepositoryIndexer.java:138)
     [java]     at 
com.cenqua.fisheye.rep.RepositoryScanner.deleteContent(RepositoryScanner.java:594)
     [java]     at 
com.cenqua.fisheye.rep.RepositoryScanner.indexContent(RepositoryScanner.java:578)
     [java]     at 
com.cenqua.fisheye.rep.RepositoryScanner.processContent(RepositoryScanner.java:432)
     [java]     at 
com.cenqua.fisheye.rep.RepositoryScanner.slurpRepository(RepositoryScanner.java:263)
     [java]     at 
com.cenqua.fisheye.rep.RepositoryScanner.slurp(RepositoryScanner.java:175)
     [java]     at 
com.cenqua.fisheye.rep.RepositoryScanner.ping(RepositoryScanner.java:108)
     [java]     at 
com.cenqua.fisheye.svn.SvnRepositoryEngine.doSlurp(SvnRepositoryEngine.java:68)
     [java]     at 
com.cenqua.fisheye.rep.ping.OneOffPingRequest.doRequest(OneOffPingRequest.java:30)
     [java]     at 
com.cenqua.fisheye.rep.ping.PingRequest.process(PingRequest.java:90)
     [java]     at 
com.cenqua.fisheye.rep.RepositoryHandle.processPingRequests(RepositoryHandle.java:119)
     [java]     at 
com.cenqua.fisheye.rep.RepositoryHandle.queuePingRequest(RepositoryHandle.java:109)
     [java]     at 
com.cenqua.fisheye.rep.ping.PingRequest.run(PingRequest.java:57)
     [java]     at 
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
     [java]     at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
     [java]     at java.lang.Thread.run(Thread.java:613)


cheers,
Erik
Atlassian

      was (Author: erik.van.zijst):
    For some time now we've been getting similar assertion errors on our 
development machines when running with assertions enabled (disabling them kills 
the assertion error and doesn _appear_ to have any negative impact though).

We're running with lucene 2.4.1 and the unit test attached to this issue 
succeeds as expected, but our own code still appears to trigger a similar 
problem:

     [java] ERROR - Problem processing revisions from repo 
https://studio.atlassian.com/svn/FE due to class java.lang.AssertionError - 
delete count mismatch: info=128 vs BitVector=126
     [java] java.lang.AssertionError: delete count mismatch: info=128 vs 
BitVector=126
     [java]     at 
org.apache.lucene.index.SegmentReader.loadDeletedDocs(SegmentReader.java:405)
     [java]     at 
org.apache.lucene.index.SegmentReader.initialize(SegmentReader.java:368)
     [java]     at 
org.apache.lucene.index.SegmentReader.get(SegmentReader.java:306)
     [java]     at 
org.apache.lucene.index.SegmentReader.get(SegmentReader.java:228)
     [java]     at 
org.apache.lucene.index.MultiSegmentReader.<init>(MultiSegmentReader.java:55)
     [java]     at 
org.apache.lucene.index.DirectoryIndexReader$1.doBody(DirectoryIndexReader.java:104)
     [java]     at 
org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:653)
     [java]     at 
org.apache.lucene.index.DirectoryIndexReader.open(DirectoryIndexReader.java:115)
     [java]     at 
org.apache.lucene.index.IndexReader.open(IndexReader.java:316)
     [java]     at 
org.apache.lucene.index.IndexReader.open(IndexReader.java:216)
     [java]     at 
com.cenqua.fisheye.lucene.LuceneConnection.getReader(LuceneConnection.java:309)
     [java]     at 
com.cenqua.fisheye.lucene.LuceneConnection.withReaderAndDeletes(LuceneConnection.java:158)
     [java]     at 
com.cenqua.fisheye.rep.RepositoryIndexer.deleteDocuments(RepositoryIndexer.java:146)
     [java]     at 
com.cenqua.fisheye.rep.RepositoryIndexer.deleteContent(RepositoryIndexer.java:138)
     [java]     at 
com.cenqua.fisheye.rep.RepositoryScanner.deleteContent(RepositoryScanner.java:594)
     [java]     at 
com.cenqua.fisheye.rep.RepositoryScanner.indexContent(RepositoryScanner.java:578)
     [java]     at 
com.cenqua.fisheye.rep.RepositoryScanner.processContent(RepositoryScanner.java:432)
     [java]     at 
com.cenqua.fisheye.rep.RepositoryScanner.slurpRepository(RepositoryScanner.java:263)
     [java]     at 
com.cenqua.fisheye.rep.RepositoryScanner.slurp(RepositoryScanner.java:175)
     [java]     at 
com.cenqua.fisheye.rep.RepositoryScanner.ping(RepositoryScanner.java:108)
     [java]     at 
com.cenqua.fisheye.svn.SvnRepositoryEngine.doSlurp(SvnRepositoryEngine.java:68)
     [java]     at 
com.cenqua.fisheye.rep.ping.OneOffPingRequest.doRequest(OneOffPingRequest.java:30)
     [java]     at 
com.cenqua.fisheye.rep.ping.PingRequest.process(PingRequest.java:90)
     [java]     at 
com.cenqua.fisheye.rep.RepositoryHandle.processPingRequests(RepositoryHandle.java:119)
     [java]     at 
com.cenqua.fisheye.rep.RepositoryHandle.queuePingRequest(RepositoryHandle.java:109)
     [java]     at 
com.cenqua.fisheye.rep.ping.PingRequest.run(PingRequest.java:57)
     [java]     at 
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
     [java]     at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
     [java]     at java.lang.Thread.run(Thread.java:613)


cheers,
Erik
Atlassian
  
> Incorrect SegmentInfo.delCount when IndexReader.flush() is used
> ---------------------------------------------------------------
>
>                 Key: LUCENE-1474
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1474
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: Index
>    Affects Versions: 2.4
>            Reporter: Marcel Reutegger
>            Assignee: Michael McCandless
>             Fix For: 2.4.1, 2.9
>
>         Attachments: IndexReaderTest.java
>
>
> When deleted documents are flushed using IndexReader.flush() the delCount in 
> SegmentInfo is updated based on the current value and 
> SegmentReader.pendingDeleteCount (introduced by LUCENE-1267). It seems that 
> pendingDeleteCount is not reset after the commit, which means after a second 
> flush() or close() of an index reader the delCount in SegmentInfo is 
> incorrect. A subsequent IndexReader.open() call will fail with an error when 
> assertions are enabled. E.g.:
> java.lang.AssertionError: delete count mismatch: info=3 vs BitVector=2
>       at 
> org.apache.lucene.index.SegmentReader.loadDeletedDocs(SegmentReader.java:405)
> [...]

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