Hmm I'm no longer so sure this is an IW bug: on commit we fsync the pending_segments_N and then do an atomic rename to segments_N.
Can you describe your IO system? Is it possible it does not implement fsync or atomic renames correctly? Also, your 2nd exception indices the segments_N file was intact but the .cfs file was corrupt, which is also hard to explain unless fsync isn't working on your IO system. Mike McCandless http://blog.mikemccandless.com On Thu, Sep 22, 2016 at 5:10 AM, Michael McCandless <luc...@mikemccandless.com> wrote: > Sorry for the slow reply here. Curious that both of these exceptions > are from IW.init. I think this may be a real bug, caused by this: > https://github.com/apache/lucene-solr/commit/981bfba841144d08df1d1a183d39fcd6f195ad56 > > I'll see if I can make a standalone test case showing this. > > If you open those indices with an IndexReader instead, does it succeed? > > If you run CheckIndex, what does it report? > > Mike McCandless > > http://blog.mikemccandless.com > > On Wed, Sep 14, 2016 at 1:22 AM, Ziming Dong <dzm1016397...@gmail.com> wrote: >> I have 6 machine and 6 index directories, each machine builds index into >> one index directory. After power failure last night, two of those machine >> can't start index program. >> >> one error is >> >>> INFO: 2016-09-14 12:31:38 [main] >>> sewm.bdbox.search.InfomallIndexer$Builder:ignoreCollectionsFile(227): >>> Loaded 2146 ignored collections from >>> /mnt/HPT8_56T/infomall-index/index0/ignored_collections.txt >>> ERROR: 2016-09-14 12:31:39 [main] sewm.bdbox.util.LogUtil:error(71): >>> org.apache.lucene.index.IndexFormatTooOldException: Format version is not >>> supported (resource >>> BufferedChecksumIndexInput(MMapIndexInput(path="/mnt/HPT8_56T/infomall-index/index0/segments_5t3"))): >>> 0 (needs to be between 1071082519 and 1071082519). This version of Lucene >>> only supports indexes created with release 5.0 and later. >>> at >>> org.apache.lucene.index.SegmentInfos.readCommit(SegmentInfos.java:295) >>> at >>> org.apache.lucene.index.SegmentInfos.readCommit(SegmentInfos.java:284) >>> at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:910) >>> at >>> sewm.bdbox.search.InfomallIndexer.<init>(InfomallIndexer.java:60) >>> at >>> sewm.bdbox.search.ThreadedInfomallIndexer.<init>(ThreadedInfomallIndexer.java:28) >>> at >>> sewm.bdbox.search.ThreadedInfomallIndexer.<init>(ThreadedInfomallIndexer.java:21) >>> at >>> sewm.bdbox.search.ThreadedInfomallIndexer$Builder.build(ThreadedInfomallIndexer.java:72) >>> at >>> sewm.bdbox.search.ThreadedInfomallIndexer.main(ThreadedInfomallIndexer.java:129) >> >> >> another is >> >> INFO: 2016-09-14 01:11:06 [main] >>> sewm.bdbox.search.InfomallIndexer$Builder:ignoreCollectionsFile(227): >>> Loaded 8575 ignored collections from >>> /mnt/HPT8/infomall-index/index5/ignored_collections.txt >>> ERROR: 2016-09-14 01:11:09 [main] sewm.bdbox.util.LogUtil:error(71): >>> org.apache.lucene.index.CorruptIndexException: codec footer mismatch (file >>> truncated?): actual footer=0 vs expected footer=-1071082520 >>> (resource=MMapIndexInput(path="/mnt/HPT8/infomall-index/index5/_1kqn.cfs")) >>> at >>> org.apache.lucene.codecs.CodecUtil.validateFooter(CodecUtil.java:448) >>> at >>> org.apache.lucene.codecs.CodecUtil.retrieveChecksum(CodecUtil.java:433) >>> at >>> org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.<init>(Lucene50CompoundReader.java:86) >>> at >>> org.apache.lucene.codecs.lucene50.Lucene50CompoundFormat.getCompoundReader(Lucene50CompoundFormat.java:71) >>> at >>> org.apache.lucene.index.IndexWriter.readFieldInfos(IndexWriter.java:1016) >>> at >>> org.apache.lucene.index.IndexWriter.getFieldNumberMap(IndexWriter.java:1033) >>> at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:938) >>> at >>> sewm.bdbox.search.InfomallIndexer.<init>(InfomallIndexer.java:60) >>> at >>> sewm.bdbox.search.ThreadedInfomallIndexer.<init>(ThreadedInfomallIndexer.java:28) >>> at >>> sewm.bdbox.search.ThreadedInfomallIndexer.<init>(ThreadedInfomallIndexer.java:21) >>> at >>> sewm.bdbox.search.ThreadedInfomallIndexer$Builder.build(ThreadedInfomallIndexer.java:72) >>> at >>> sewm.bdbox.search.ThreadedInfomallIndexer.main(ThreadedInfomallIndexer.java:129) >>> >> >> >> it seems 1071082519 is a special number. >> >> - - >> >> Ziming Dong >> *http://suiyuan2009.github.io/ <http://suiyuan2009.github.io/>* --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
