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https://issues.apache.org/jira/browse/LUCENE-2480?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12873408#action_12873408
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Shai Erera commented on LUCENE-2480:
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Solr tests pass too ... dunno what happened, but they started to pass. And the
dataimport tests do not seem they should be affected by this issue. So I'd like
to commit this soon.
> Remove support for pre-3.0 indexes
> ----------------------------------
>
> Key: LUCENE-2480
> URL: https://issues.apache.org/jira/browse/LUCENE-2480
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Index
> Reporter: Shai Erera
> Priority: Minor
> Fix For: 4.0
>
> Attachments: LUCENE-2480.patch, LUCENE-2480.patch, LUCENE-2480.patch,
> LUCENE-2480.patch
>
>
> We should remove support for 2.x (and 1.9) indexes in 4.0. It seems that
> nothing can be done in 3x because there is no special code which handles 1.9,
> so we'll leave it there. This issue should cover:
> # Remove the .zip indexes
> # Remove the unnecessary code from SegmentInfo and SegmentInfos. Mike
> suggests we compare the version headers at the top of SegmentInfos, in 2.9.x
> vs 3.0.x, to see which ones can go.
> # remove FORMAT_PRE from FieldInfos
> # Remove old format from TermVectorsReader
> If you know of other places where code can be removed, then please post a
> comment here.
> I don't know when I'll have time to handle it, definitely not in the next few
> days. So if someone wants to take a stab at it, be my guest.
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