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https://issues.apache.org/jira/browse/LUCENE-2940?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Michael McCandless resolved LUCENE-2940.
----------------------------------------
Resolution: Fixed
> NPE in TestNRTThreads
> ---------------------
>
> Key: LUCENE-2940
> URL: https://issues.apache.org/jira/browse/LUCENE-2940
> Project: Lucene - Java
> Issue Type: Bug
> Reporter: Michael McCandless
> Assignee: Michael McCandless
> Fix For: 3.1, 4.0
>
> Attachments: LUCENE-2940.patch, LUCENE-2940.patch
>
>
> I hit this when while(1)ing this test... I think it's because the logic on
> when we ask the SegmentReader to load stored fields is off...
> {noformat}
> *** Thread: Lucene Merge Thread #1 ***
> org.apache.lucene.index.MergePolicy$MergeException:
> java.lang.NullPointerException
> at
> org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:507)
> at
> org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:472)
> Caused by: java.lang.NullPointerException
> at
> org.apache.lucene.index.SegmentReader$FieldsReaderLocal.initialValue(SegmentReader.java:245)
> at
> org.apache.lucene.index.SegmentReader$FieldsReaderLocal.initialValue(SegmentReader.java:242)
> at
> org.apache.lucene.util.CloseableThreadLocal.get(CloseableThreadLocal.java:68)
> at
> org.apache.lucene.index.SegmentReader.getFieldsReader(SegmentReader.java:749)
> at
> org.apache.lucene.index.SegmentReader.document(SegmentReader.java:838)
> at org.apache.lucene.index.IndexReader.document(IndexReader.java:951)
> at
> org.apache.lucene.index.TestNRTThreads$1.warm(TestNRTThreads.java:86)
> at
> org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:3311)
> at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:2875)
> at
> org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:379)
> at
> org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:447)
> {noformat}
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