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https://issues.apache.org/jira/browse/MNG-7678?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17699788#comment-17699788
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ASF GitHub Bot commented on MNG-7678:
-------------------------------------
gnodet merged PR #983:
URL: https://github.com/apache/maven/pull/983
> Settings (v3) and Settings.Builder() cannot unset a non-null field
> ------------------------------------------------------------------
>
> Key: MNG-7678
> URL: https://issues.apache.org/jira/browse/MNG-7678
> Project: Maven
> Issue Type: Bug
> Components: Core, Settings
> Affects Versions: 4.0.0-alpha-4
> Reporter: James Z.M. Gao
> Assignee: Guillaume Nodet
> Priority: Major
> Fix For: 4.0.0-alpha-5
>
>
>
> Testing code:
> {noformat}
> final Settings s = new Settings();
> s.setLocalRepository("xxx");
> assertEquals("xxx", s.getLocalRepository()); // OK
> s.setLocalRepository("yyy");
> assertEquals("yyy", s.getLocalRepository()); // OK
> s.setLocalRepository(null);
> assertNull(s.getLocalRepository()); // FAIL{noformat}
>
> It seems related to the the build() method of Model Builder with forceCopy =
> false :
>
> {noformat}
> ${field.name} != null ? ${field.name} : ( base != null ? base.${field.name} :
> null )${sep}
> {noformat}
>
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