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}