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Littlestar edited comment on LUCENE-5899 at 8/25/14 7:22 AM: ------------------------------------------------------------- I test lucene on shenandoah with big memory + bigdata(128G, 1.2T). http://openjdk.java.net/jeps/189 http://icedtea.classpath.org/hg/shenandoah/ It throws above exception. I see the luence code, I think the exception is ok. Because org.apache.lucene.codecs.MappingMultiDocsEnum is not instanceof org.apache.lucene.index.DocsAndPositionsEnum. was (Author: cnstar9988): I test lucene on shenandoah with big memory + bigdata(32g, 128g). http://openjdk.java.net/jeps/189 http://icedtea.classpath.org/hg/shenandoah/ It throws above exception. I see the luence code, I think the exception is ok. Because org.apache.lucene.codecs.MappingMultiDocsEnum is not instanceof org.apache.lucene.index.DocsAndPositionsEnum. > Caused by: java.lang.ClassCastException: > org.apache.lucene.codecs.MappingMultiDocsEnum cannot be cast to > org.apache.lucene.index.DocsAndPositionsEnum > ----------------------------------------------------------------------------------------------------------------------------------------------------- > > Key: LUCENE-5899 > URL: https://issues.apache.org/jira/browse/LUCENE-5899 > Project: Lucene - Core > Issue Type: Bug > Components: core/codecs > Affects Versions: 4.9 > Reporter: Littlestar > Fix For: 4.10 > > > Exception in thread "Lucene Merge Thread #0" > org.apache.lucene.index.MergePolicy$MergeException: > java.lang.ClassCastException: org.apache.lucene.codecs.MappingMultiDocsEnum > cannot be cast to org.apache.lucene.index.DocsAndPositionsEnum > at > org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:545) > at > org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:518) > Caused by: java.lang.ClassCastException: > org.apache.lucene.codecs.MappingMultiDocsEnum cannot be cast to > org.apache.lucene.index.DocsAndPositionsEnum > at > org.apache.lucene.codecs.PostingsConsumer.merge(PostingsConsumer.java:127) > at org.apache.lucene.codecs.TermsConsumer.merge(TermsConsumer.java:110) > at org.apache.lucene.codecs.FieldsConsumer.merge(FieldsConsumer.java:72) > at > org.apache.lucene.index.SegmentMerger.mergeTerms(SegmentMerger.java:399) > at org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:112) > at > org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4163) > at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:3759) > at > org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:405) > at > org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:482) -- This message was sent by Atlassian JIRA (v6.2#6252) --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org For additional commands, e-mail: dev-h...@lucene.apache.org