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From Ziming Dong <dzm1016397...@gmail.com>
Subject Re: lucene index program won't start after power failure
Date Thu, 22 Sep 2016 15:33:09 GMT
second index is recovered by checkIndex, I don't know what are in second
index directory before recover.
checkIndex can't read first index. index filenames are attached.
I use lucene6.0.0 at the beginning, then I upgrade to lucene6.1.0 to
continue index.

On Thu, Sep 22, 2016 at 10:17 PM, Michael McCandless <
lucene@mikemccandless.com> wrote:

> Do you have 2 separate segments files in that 2nd index?
>
> Which exact Lucene version is this?
>
> Mike McCandless
>
> http://blog.mikemccandless.com
>
>
> On Thu, Sep 22, 2016 at 7:44 AM, Ziming Dong <dzm1016397507@gmail.com>
> wrote:
> > I used checkIndex to recover second index though I lost many docs in
> index,
> > but first index can't be read by checkIndex, error is
> >
> >> java -cp lucene-core-6.1.0.jar -ea:org.apache.lucene...
> >> org.apache.lucene.index.CheckIndex /Volumes/HPT8_56T/infomall-
> index/index0
> >> Opening index @ /Volumes/HPT8_56T/infomall-index/index0
> >> ERROR: could not read any segments file in directory
> >> org.apache.lucene.index.IndexFormatTooOldException: Format version is
> not
> >> supported (resource
> >> BufferedChecksumIndexInput(MMapIndexInput(path="/Volumes/
> 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.CheckIndex.checkIndex(CheckIndex.java:507)
> >>         at
> >> org.apache.lucene.index.CheckIndex.doCheck(CheckIndex.java:2595)
> >>         at org.apache.lucene.index.CheckIndex.doMain(CheckIndex.
> java:2497)
> >>         at org.apache.lucene.index.CheckIndex.main(CheckIndex.
> java:2423)
> >
> >
> >  I use NFS, but I set mount option as  mount -t nfs -o
> tcp,sync,retrans=10
> > The index program has run 1 month without any problem before power
> failure.
> >
> > On Thu, Sep 22, 2016 at 6:06 PM, Michael McCandless
> > <lucene@mikemccandless.com> wrote:
> >>
> >> 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
> >> <lucene@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 <dzm1016397507@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/>*
> >
> >
> >
> >
> > --
> >
> > Ziming Dong
> > http://suiyuan2009.github.io/
> >
>



-- 

Ziming Dong
*http://suiyuan2009.github.io/ <http://suiyuan2009.github.io/>*

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