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https://issues.apache.org/jira/browse/MNG-7637?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17648985#comment-17648985
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Christoph Läubrich commented on MNG-7637:
-----------------------------------------
Nothing I found directly, I think this is also rather a rare case, as these
most likely optional because a child can inherit it from a parent, so this case
can only arise for such cases where one really mess up things...
> NPE in MavenProject#hashCode if erornous xml
> --------------------------------------------
>
> Key: MNG-7637
> URL: https://issues.apache.org/jira/browse/MNG-7637
> Project: Maven
> Issue Type: Bug
> Affects Versions: 3.8.6, 4.0.0-alpha-3
> Reporter: Christoph Läubrich
> Assignee: Michael Osipov
> Priority: Major
> Fix For: 3.9.0, 4.0.0, 4.0.0-alpha-4, 3.8.7
>
>
> org.apache.maven.project.MavenProject.hashCode() has the following code:
> {code:java}
> public int hashCode()
> {
> int hash = 17;
> hash = 31 * hash + getGroupId().hashCode();
> hash = 31 * hash + getArtifactId().hashCode();
> hash = 31 * hash + getVersion().hashCode();
> return hash;
> }
> {code}
> if any of those values is null, a NPE is thrown from the method.
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