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From "Robert Muir (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-5850) Constants#LUCENE_MAIN_VERSION can have broken values
Date Wed, 30 Jul 2014 12:22:38 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-5850?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14079232#comment-14079232
] 

Robert Muir commented on LUCENE-5850:
-------------------------------------

I think its extremely relevant to the issue, just look at the discussion above. 

Various confusion about whether "4.8" or "4.8.1" should be written into the index for a bugfix
release, buggy usage of version API #9 instead of version API #8, etc.

Its a real problem that I think we should address.


> 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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