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https://issues.apache.org/jira/browse/LUCENE-5952?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael McCandless updated LUCENE-5952:
---------------------------------------
    Attachment: LUCENE-5952.patch

New patch, cutting over to ParseException from the parse methods ... I
kept IllegalArgumentException in the [private] ctors.

Also, I cutover to StringTokenizer from String.split ... the later
makes me a bit nervous, and there are spooky changes in Java 8, e.g. 
http://stackoverflow.com/questions/22718744/why-does-split-in-java-8-sometimes-remove-empty-strings-at-start-of-result-array

Finally I marked these parse methods as @lucene.internal.


> Give Version parsing exceptions more descriptive error messages
> ---------------------------------------------------------------
>
>                 Key: LUCENE-5952
>                 URL: https://issues.apache.org/jira/browse/LUCENE-5952
>             Project: Lucene - Core
>          Issue Type: Bug
>    Affects Versions: 4.10
>            Reporter: Michael McCandless
>            Priority: Blocker
>             Fix For: 4.10.1, 4.11, 5.0
>
>         Attachments: LUCENE-5952.patch, LUCENE-5952.patch, LUCENE-5952.patch, 
> LUCENE-5952.patch
>
>
> As discussed on the dev list, it's spooky how Version.java tries to fully 
> parse the incoming version string ... and then throw exceptions that lack 
> details about what invalid value it received, which file contained the 
> invalid value, etc.
> It also seems too low level to be checking versions (e.g. is not future proof 
> for when 4.10 is passed a 5.x index by accident), and seems redundant with 
> the codec headers we already have for checking versions?
> Should we just go back to lenient parsing?



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