Maxim Kramarenko created LUCENE-5256:
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             Summary: IndexFormatTooNewException using Lucene 4.4 after optimize
                 Key: LUCENE-5256
                 URL: https://issues.apache.org/jira/browse/LUCENE-5256
             Project: Lucene - Core
          Issue Type: Bug
    Affects Versions: 4.4
         Environment: CentOS
Windows 2008
            Reporter: Maxim Kramarenko
            Priority: Blocker


I have an index, created with some older lucene version (likely 4.x). Today, I 
have optimized it using forceMerge(1) and cannot open it now:
[code]
Error message:Format version is not supported (resource: 
SimpleFSIndexInput(path="D:\data\lucene-meta\ind-1\data-1598\_37.nvm")): 1 
(needs to be between 0 and 0)
org.apache.lucene.index.IndexFormatTooNewException: Format version is not 
supported (resource: 
SimpleFSIndexInput(path="D:\data\lucene-meta\ind-1\data-1598\_37.nvm")): 1 
(needs to be between 0 and 0)
        at 
org.apache.lucene.codecs.CodecUtil.checkHeaderNoMagic(CodecUtil.java:148)
        at org.apache.lucene.codecs.CodecUtil.checkHeader(CodecUtil.java:130)
        at 
org.apache.lucene.codecs.lucene42.Lucene42DocValuesProducer.<init>(Lucene42DocValuesProducer.java:84)
        at 
org.apache.lucene.codecs.lucene42.Lucene42NormsFormat.normsProducer(Lucene42NormsFormat.java:57)
        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:141)
        at org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:56)
        at 
org.apache.lucene.index.StandardDirectoryReader$1.doBody(StandardDirectoryReader.java:62)
        at 
org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:783)
        at 
org.apache.lucene.index.StandardDirectoryReader.open(StandardDirectoryReader.java:52)
        at org.apache.lucene.index.DirectoryReader.open(DirectoryReader.java:66)
        at org.apache.lucene.index.IndexReader.open(IndexReader.java:291)
[/code]

I've never tried versions after 4.4, previous versions (tried 4.3, 4.2) cannot 
open it too.




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