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From "Uwe Schindler (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-5850) Constants#LUCENE_MAIN_VERSION can have broken values
Date Wed, 30 Jul 2014 12:56:38 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-5850?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14079257#comment-14079257
] 

Uwe Schindler commented on LUCENE-5850:
---------------------------------------

OK, so in my opinion we should resolve this issue, because it is a duplicate of LUCENE-5537.
The problem [~simonw] complained about was already fixed there. We should create a new issues
about:
- Should we write full bugfix version to index, not just "x.y" and "x.y.0.z"? (the attached
patch handles this, I would just revert VersionparserLeniently()) -> we agreed on that,
but the issue should be committed in a new issue.
- merge all Version comparators and solely use Version enum? Maybe replace Version enum by
something else (hierarchical?)

> Constants#LUCENE_MAIN_VERSION can have broken values 
> -----------------------------------------------------
>
>                 Key: LUCENE-5850
>                 URL: https://issues.apache.org/jira/browse/LUCENE-5850
>             Project: Lucene - Core
>          Issue Type: Bug
>          Components: general/build
>    Affects Versions: 4.3.1, 4.5.1
>            Reporter: Simon Willnauer
>             Fix For: 5.0, 4.10
>
>         Attachments: LUCENE-5850.patch, LUCENE-5850.patch, LUCENE-5850_bomb.patch, LUCENE-5850_smoketester.patch
>
>
> Constants#LUCENE_MAIN_VERSION is set to the Lucene Main version and should not contain
minor versions. Well this is at least what I thought and to my knowledge what the comments
say too. Yet in for instance 4.3.1 and 4.5.1 we broke this such that the version from SegmentsInfo
can not be parsed with Version#parseLeniently. IMO we should really add an assertion that
this constant doesn't throw an error and / or make the smoketester catch this. to me this
is actually a index BWC break. Note that 4.8.1 doesn't have this problem...



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