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https://issues.apache.org/jira/browse/LUCENE-8844?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mike Sokolov reassigned LUCENE-8844:
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Assignee: Mike Sokolov
> Bump FST Version
> ----------------
>
> Key: LUCENE-8844
> URL: https://issues.apache.org/jira/browse/LUCENE-8844
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Mike Sokolov
> Assignee: Mike Sokolov
> Priority: Major
>
> In LUCENE-8781, we changed the FST encoding but not bump the version number
> we write in its header. The change was backwards-compatible (new readers can
> still read old FSTs), but not forwards-compatible: older readers would
> exhibit strange behavior if they attempted to read one of these newer format
> FSTs.
> It would be much better if readers could catch such errors and notify in a
> sensible way, and we have version checking that does that; we just need to
> increase the VERSION_CURRENT constant.
> Also, ~[~dsmiley] points out the CHANGES.txt entries for LUCENE-8781 should
> be moved to the 8.2.0 section since that change was backported. I think we
> can clean that up at the same time since it's version-related.
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