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From Bill Janssen <>
Subject Re: Taking a step back
Date Wed, 10 May 2006 11:38:41 GMT
> File formats are back-compatible between major versions.  Version X.N 
> should be able to read indexes generated by any version after and 
> including version X-1.0, but may-or-may-not be able to read indexes 
> generated by version X-2.N.
> Note that older releases are never guaranteed to be able to read indexes 
> generated by newer releases.  When this is attempted, a predictable 
> error should be generated.
> Does that sound reasonable?

Have you put a field in the file format yet that gives its version?
Alternatively, is there a way to find out which version of Lucene
needs to be used with a given index?


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