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https://issues.apache.org/jira/browse/JCR-4324?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16523589#comment-16523589
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Julian Reschke commented on JCR-4324:
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Please post a stack trace obtained with the latest 2.16 release.
Or, even better, submit a unit test...
> Shouldn't get a NPE on Version.getLinearPredecessor() implementation
> --------------------------------------------------------------------
>
> Key: JCR-4324
> URL: https://issues.apache.org/jira/browse/JCR-4324
> Project: Jackrabbit Content Repository
> Issue Type: Bug
> Components: JCR 2.0
> Affects Versions: 2.4.3, 2.16.1
> Reporter: Bérénice MAUREL
> Priority: Major
>
> I get a NullPointerException when I'm trying to get the predecessor of the
> root version with \{{myVersion.getLinearPredecessor()}} method.
> In the documentation, I should get null. But in the implementation
> {{org.apache.jackrabbit.core.version.VersionImpl}}, I get a NPE if the
> predecessor is empty (for the node \{{jcr:rootVersion}}).
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