delGen=-1 means there are no deletions, but the exception makes no sense because up above SegmentReader.java calls si.hasDeletions() which returns delGen != -1 which should have mean Lucene40LiveDocsFormat.readLiveDocs should not have been called. It seems impossible :)
What java version? Mike McCandless http://blog.mikemccandless.com On Wed, May 14, 2014 at 2:16 AM, Clemens Wyss DEV <clemens...@mysign.ch> wrote: > 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 > --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
