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https://issues.apache.org/jira/browse/LUCENE-5934?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14128471#comment-14128471
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Uwe Schindler edited comment on LUCENE-5934 at 9/10/14 1:40 PM:
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Hi,
with my patch now the 4.0-ALPHA index (that declares as 4.0) is in fact failing
with the above error message. The reason is that the default codec checks for
Version.onOrAfter(LUCENE_4_0_0), which does not include 4.0-ALPHA and 4.0-BETA
indexes.
To make this check correct, we have 2 possibilities:
Version.onOrAfter(LUCENE_4_0_0_ALPHA) or - as suggested before - add
Version.isMinimumLucene4() (the same applies to analyzers, but its not
important here) - or hardcode 4.0 as string into the codec, so it hits
everything.
was (Author: thetaphi):
Hi,
with my patch now the 4.0-ALPHA index (that declares as 4.0) is in fact failing
with the above error message. The reason is that the default codec checks for
Version.onOrAfter(LUCENE_4_0_0), which does not include 4.0-ALPHA and 4.0-BETA
indexes.
To make this check correct, we have 2 possibilities:
Version.onOrAfter(LUCENE_4_0_0_ALPHA) or - as suggested before - add
Version.isMinimumLucene4() (the same applies to analyzers, but its not
important here)
> 4.10 broke backwards compatibility for 4.0 indexes
> --------------------------------------------------
>
> Key: LUCENE-5934
> URL: https://issues.apache.org/jira/browse/LUCENE-5934
> Project: Lucene - Core
> Issue Type: Bug
> Components: core/codecs, core/index
> Affects Versions: 4.10
> Reporter: Robert Muir
> Priority: Blocker
> Fix For: 4.10.1, 4.11, 5.0
>
> Attachments: LUCENE-5934.patch
>
>
> As reported by Ian on the user list:
> Its trying to treat them as 3.x
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