[jira] [Commented] (MNG-6074) Maven should produce an error if no model version has been set in a POM file used to build an effective model.

["Hudson (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MNG-6074?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15401245#comment-15401245 ] 

Hudson commented on MNG-6074:
-----------------------------

UNSTABLE: Integrated in maven-3.x #1352 (See [https://builds.apache.org/job/maven-3.x/1352/])
[MNG-6074] Maven should produce an error if no model version has been (schulte: rev 744b98e8cf9f2fbe4f73b07927a2c697e8cc6fc2)
* maven-model-builder/src/main/java/org/apache/maven/model/validation/DefaultModelValidator.java


> Maven should produce an error if no model version has been set in a POM file used to build an effective model.
> --------------------------------------------------------------------------------------------------------------
>
>                 Key: MNG-6074
>                 URL: https://issues.apache.org/jira/browse/MNG-6074
>             Project: Maven
>          Issue Type: Improvement
>            Reporter: Christian Schulte
>            Assignee: Christian Schulte
>            Priority: Critical
>             Fix For: 3.4.0
>
>
> Maven currently only validates the model version to equal {{4.0.0}} when set. The XML element is optional. Starting with Maven 3.4.0 a warning message should be printed whenever no model version has been set so that it becomes possible to use that version to decide about Maven behaviour. For example: In Maven 3.5 we could add support for a new model version {{4.1.0}} which may be used to decide about how Maven 3.5 should behave. Behaviour for model version {{4.0.0}} will be the same as in Maven 3.4. Behaviour for model version {{4.1.0}} could be different. For this the model version needs to be set.



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