[jira] [Commented] (MNG-7780) DefaultArtifact.equals throws NullPointerException if o.version is null

["Michael Osipov (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MNG-7780?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17720699#comment-17720699 ] 

Michael Osipov commented on MNG-7780:
-------------------------------------

Does not happen in 3.8.x?

[~cstamas], worth fixing 

> DefaultArtifact.equals throws NullPointerException if o.version is null
> -----------------------------------------------------------------------
>
>                 Key: MNG-7780
>                 URL: https://issues.apache.org/jira/browse/MNG-7780
>             Project: Maven
>          Issue Type: Bug
>    Affects Versions: 3.9.1, 4.0.0-alpha-5
>            Reporter: Tobias Gruetzmacher
>            Priority: Major
>
> DefaultArtifact.validateIdentity() only throws if BOTH version and versionRange are null, so it's possible to create an instance of DefaultArtifact where version == null. If such an instance ever ends up in DefaultArtifact.equals(o), the check {{a.getVersion().equals(version)}} will throw a NullPointerException.
> (This was observed while debugging an issue in versions-maven-plugin)



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