org.apache.lucene.index.CorruptIndexException: codec header mismatch

[rosh <ro...@yahoo.co.in>]

Hi,
   lucene search is throwing back this error what does this mean and how can
the indexes be fixed ? Or is rebuilding indexes the only option ?

getIndexReader >>>> 
org.apache.lucene.index.CorruptIndexException: codec header mismatch: actual
header=2883712 vs expected header=1071082519 (resource:
MMapIndexInput(path="\\..\_inwu.si"))
	at org.apache.lucene.codecs.CodecUtil.checkHeader(CodecUtil.java:128)
~[lucene-core-4.3.0.jar:4.3.0 1477023 - simonw - 2013-04-29 14:55:14]
	at
org.apache.lucene.codecs.lucene40.Lucene40SegmentInfoReader.read(Lucene40SegmentInfoReader.java:53)
~[lucene-core-4.3.0.jar:4.3.0 1477023 - simonw - 2013-04-29 14:55:14]
	at org.apache.lucene.index.SegmentInfos.read(SegmentInfos.java:301)
~[lucene-core-4.3.0.jar:4.3.0 1477023 - simonw - 2013-04-29 14:55:14]
	at
org.apache.lucene.index.StandardDirectoryReader$1.doBody(StandardDirectoryReader.java:56)
~[lucene-core-4.3.0.jar:4.3.0 1477023 - simonw - 2013-04-29 14:55:14]
	at
org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:783)
~[lucene-core-4.3.0.jar:4.3.0 1477023 - simonw - 2013-04-29 14:55:14]
	at
org.apache.lucene.index.StandardDirectoryReader.open(StandardDirectoryReader.java:52)
~[lucene-core-4.3.0.jar:4.3.0 1477023 - simonw - 2013-04-29 14:55:14]
	at org.apache.lucene.index.DirectoryReader.open(DirectoryReader.java:66)
~[lucene-core-4.3.0.jar:4.3.0 1477023 - simonw - 2013-04-29 14:55:14]
	at xxx.getIndexReader(FTSearchServiceImpl.java:332) [xx-0.0.1.jar:16.2.2]
	at xxx.getTextSearch(FTSearchServiceImpl.java:115) [xx-0.0.1.jar:16.2.2]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
~[na:1.7.0_25]



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