[infinispan-issues] [JBoss JIRA] (ISPN-3592) Regression in Lucene Directory: NPE during SegmentInfos.getLastCommitGeneration

[RH Bugzilla Integration (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-3592?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12823181#comment-12823181 ] 

RH Bugzilla Integration commented on ISPN-3592:
-----------------------------------------------

Martin Gencur <mgencur at redhat.com> made a comment on [bug 1018097|https://bugzilla.redhat.com/show_bug.cgi?id=1018097]

No, we don't have functional tests that could highlight this issue. We haven't seen any issues when running performance tests for queries, but I'm not sure we ran any perf. tests at the moment the problem was there.
                
> Regression in Lucene Directory: NPE during SegmentInfos.getLastCommitGeneration
> -------------------------------------------------------------------------------
>
>                 Key: ISPN-3592
>                 URL: https://issues.jboss.org/browse/ISPN-3592
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Lucene Directory
>    Affects Versions: 6.0.0.CR1
>            Reporter: Sanne Grinovero
>            Assignee: Sanne Grinovero
>            Priority: Blocker
>             Fix For: 6.0.0.Final
>
>
> The problem is a very recent regression, so relative to 6.0.0.CR1 only.
> {noformat}
> java.lang.NullPointerException
> 	at org.apache.lucene.index.SegmentInfos.getLastCommitGeneration(SegmentInfos.java:160)
> 	at org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:605)
> 	at org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:554)
> 	at org.apache.lucene.index.SegmentInfos.read(SegmentInfos.java:359)
> 	at org.apache.lucene.index.SegmentInfos.readCurrentVersion(SegmentInfos.java:483)
> 	at org.apache.lucene.index.DirectoryReader.isCurrent(DirectoryReader.java:891)
> 	at org.apache.lucene.index.DirectoryReader.doOpenNoWriter(DirectoryReader.java:455)
> 	at org.apache.lucene.index.DirectoryReader.doOpenIfChanged(DirectoryReader.java:434)
> 	at org.apache.lucene.index.DirectoryReader.doOpenIfChanged(DirectoryReader.java:375)
> 	at org.apache.lucene.index.IndexReader.openIfChanged(IndexReader.java:508)
> 	at org.apache.lucene.index.IndexReader.reopen(IndexReader.java:695)
> 	at org.infinispan.lucene.profiling.LuceneReaderThread.refreshIndexReader(LuceneReaderThread.java:58)
> {noformat}

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