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From "dan (JIRA)" <j...@apache.org>
Subject [jira] Created: (LUCENE-555) Index Corruption
Date Mon, 24 Apr 2006 06:50:07 GMT
Index Corruption
----------------

         Key: LUCENE-555
         URL: http://issues.apache.org/jira/browse/LUCENE-555
     Project: Lucene - Java
        Type: Bug

  Components: Index  
    Versions: 1.9    
 Environment: Linux FC4, Java 1.4.9
    Reporter: dan
    Priority: Critical


Index Corruption

>>>>>>>>> output

java.io.FileNotFoundException: ../_aki.fnm (No such file or directory)
        at java.io.RandomAccessFile.open(Native Method)
        at java.io.RandomAccessFile.<init>(RandomAccessFile.java:204)
        at org.apache.lucene.store.FSIndexInput$Descriptor.<init>(FSDirectory.java:425)
        at org.apache.lucene.store.FSIndexInput.<init>(FSDirectory.java:434)
        at org.apache.lucene.store.FSDirectory.openInput(FSDirectory.java:324)
        at org.apache.lucene.index.FieldInfos.<init>(FieldInfos.java:56)
        at org.apache.lucene.index.SegmentReader.initialize(SegmentReader.java:144)
        at org.apache.lucene.index.SegmentReader.get(SegmentReader.java:129)
        at org.apache.lucene.index.SegmentReader.get(SegmentReader.java:110)
        at org.apache.lucene.index.IndexWriter.mergeSegments(IndexWriter.java:674)
        at org.apache.lucene.index.IndexWriter.mergeSegments(IndexWriter.java:658)
        at org.apache.lucene.index.IndexWriter.optimize(IndexWriter.java:517)

>>>>>>>>> input

- I open an index, I read, I write, I optimize, and eventually the above happens. The index
is unusable.
- This has happened to me somewhere between 20 and 30 times now - on indexes of different
shapes and sizes.
- I don't know the reason. But, the following requirement applies regardless.

>>>>>>>>> requirement

- Like all modern database programs, there has to be a way to repair an index. Period.


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