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Posted to issues@maven.apache.org by "Michael Osipov (Jira)" <ji...@apache.org> on 2022/01/07 20:30:00 UTC

[jira] [Commented] (MNG-6982) PluginParameterExpressionEvaluator fails with NPE if created without MojoExecution

    [ https://issues.apache.org/jira/browse/MNG-6982?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17470875#comment-17470875 ] 

Michael Osipov commented on MNG-6982:
-------------------------------------

Interesting case. Have you actually experienced the NPE? If yes, please share the case.

> PluginParameterExpressionEvaluator fails with NPE if created without MojoExecution
> ----------------------------------------------------------------------------------
>
>                 Key: MNG-6982
>                 URL: https://issues.apache.org/jira/browse/MNG-6982
>             Project: Maven
>          Issue Type: Bug
>          Components: Plugin API
>    Affects Versions: 3.6.3
>         Environment: Maven 3.6.3
>            Reporter: Falko Modler
>            Priority: Major
>
> This constructor of PluginParameterExpressionEvaluator is not requiring a MojoExecution parameter:
> https://github.com/apache/maven/blob/78f605e377a6450828e8b3e516d132e6797603df/maven-core/src/main/java/org/apache/maven/plugin/PluginParameterExpressionEvaluator.java#L96-L99
> But if created this way, the evaluator will fail with a NullPointerException while trying to get the MojoDescriptor here:
> https://github.com/apache/maven/blob/78f605e377a6450828e8b3e516d132e6797603df/maven-core/src/main/java/org/apache/maven/plugin/PluginParameterExpressionEvaluator.java#L205



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