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https://issues.apache.org/jira/browse/ACCUMULO-1361?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13645219#comment-13645219
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Christopher Tubbs commented on ACCUMULO-1361:
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[~elserj]: Yes, exactly. It's an improvement worth doing, just not a bug or
something we'll take advantage of in the VisibilityFilter.
> VisibilityEvaluator throws NPE when passed a zero length byte array
> -------------------------------------------------------------------
>
> Key: ACCUMULO-1361
> URL: https://issues.apache.org/jira/browse/ACCUMULO-1361
> Project: Accumulo
> Issue Type: Improvement
> Reporter: Chris McCubbin
> Assignee: Corey J. Nolet
> Priority: Minor
> Fix For: 1.6.0
>
> Attachments: ACCUMULO-1361.1.patch
>
>
> The following code snippet throws a NPE on a fairly recent version of 1.5. I
> would expect it to return true, or at the very least, to throw a meaningful
> exception.
> {code:title=SadPanda.java|borderStyle=solid}
> VisibilityEvaluator evaluator = new VisibilityEvaluator(new
> Authorizations("a".getBytes()));
> ColumnVisibility cv = new ColumnVisibility(new byte[0]);
> //The following line throws a NPE
> boolean result = evaluator.evaluate(cv);
> {code}
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