Tackled this down a little bit more: Lucene40LiveDocsFormat#readLiveDocs calls IndexFileNames#fileNameForGeneration If I get this right, param 'gen' seems to be -1. Gen is being gathered from SegmentCommitInfo#getDelGen
What does "delGen == -1" mean? -----Ursprüngliche Nachricht----- Von: Clemens Wyss DEV [mailto:clemens...@mysign.ch] Gesendet: Dienstag, 13. Mai 2014 18:23 An: java-user@lucene.apache.org Betreff: [lucene 4.6] NPE when calling IndexReader#openIfChanged I am facing the following stacktrace: java.lang.NullPointerException: null at java.io.File.<init>(File.java:305) ~[na:1.6.0_26] at org.apache.lucene.store.NIOFSDirectory.openInput(NIOFSDirectory.java:80) ~[lucene-core.jar:4.6.0 1543363 - simon - 2013-11-19 11:05:50] at org.apache.lucene.codecs.lucene40.BitVector.<init>(BitVector.java:327) ~[lucene-core.jar:4.6.0 1543363 - simon - 2013-11-19 11:05:50] at org.apache.lucene.codecs.lucene40.Lucene40LiveDocsFormat.readLiveDocs(Lucene40LiveDocsFormat.java:90) ~[lucene-core.jar:4.6.0 1543363 - simon - 2013-11-19 11:05:50] at org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:131) ~[lucene-core.jar:4.6.0 1543363 - simon - 2013-11-19 11:05:50] at org.apache.lucene.index.StandardDirectoryReader.open(StandardDirectoryReader.java:194) ~[lucene-core.jar:4.6.0 1543363 - simon - 2013-11-19 11:05:50] at org.apache.lucene.index.StandardDirectoryReader.doOpenIfChanged(StandardDirectoryReader.java:326) ~[lucene-core.jar:4.6.0 1543363 - simon - 2013-11-19 11:05:50] at org.apache.lucene.index.StandardDirectoryReader$2.doBody(StandardDirectoryReader.java:320) ~[lucene-core.jar:4.6.0 1543363 - simon - 2013-11-19 11:05:50] at org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:843) ~[lucene-core.jar:4.6.0 1543363 - simon - 2013-11-19 11:05:50] at org.apache.lucene.index.StandardDirectoryReader.doOpenFromCommit(StandardDirectoryReader.java:315) ~[lucene-core.jar:4.6.0 1543363 - simon - 2013-11-19 11:05:50] at org.apache.lucene.index.StandardDirectoryReader.doOpenNoWriter(StandardDirectoryReader.java:311) ~[lucene-core.jar:4.6.0 1543363 - simon - 2013-11-19 11:05:50] at org.apache.lucene.index.StandardDirectoryReader.doOpenIfChanged(StandardDirectoryReader.java:262) ~[lucene-core.jar:4.6.0 1543363 - simon - 2013-11-19 11:05:50] at org.apache.lucene.index.StandardDirectoryReader.doOpenIfChanged(StandardDirectoryReader.java:250) ~[lucene-core.jar:4.6.0 1543363 - simon - 2013-11-19 11:05:50] at org.apache.lucene.index.DirectoryReader.openIfChanged(DirectoryReader.java:170) ~[lucene-core.jar:4.6.0 1543363 - simon - 2013-11-19 11:05:50] Unfortunately not always. Looks like j.i.File<init> is getting param child == null What might go wrong in openIfChanged? Thanks for any advices/hints Clemens --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
