[LUCENE-2940] NPE in TestNRTThreads

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.1, 4.0-ALPHA
• Lucene Fields: New
• Assignee: Michael McCandless
• Reporter: Michael McCandless
• Created: 27/Feb/11 10:40
• Updated: 28/Aug/22 12:41
• Resolved: 27/Feb/11 11:11

Description

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...

*** 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)