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https://issues.apache.org/jira/browse/HADOOP-8751?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13446349#comment-13446349
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Daryn Sharp commented on HADOOP-8751:
-------------------------------------
I'm not sure that we should prevent nulls for the various fields. Although I'm
fine with handling a null identifier even though that's really an invalid use
case.
> NPE in Token.toString() when Token is constructed using null identifier
> -----------------------------------------------------------------------
>
> Key: HADOOP-8751
> URL: https://issues.apache.org/jira/browse/HADOOP-8751
> Project: Hadoop Common
> Issue Type: Bug
> Components: security
> Affects Versions: 2.0.0-alpha
> Reporter: Vlad Rozov
> Assignee: Vlad Rozov
> Priority: Minor
> Fix For: 2.0.0-alpha
>
> Attachments: HADOOP-8751.patch
>
>
> Token constructor allows null to be passed leading to NPE in
> Token.toString(). Simple fix is to check for null in constructor and use
> empty byte arrays.
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