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https://issues.apache.org/jira/browse/ACCUMULO-1361?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13645190#comment-13645190
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Corey J. Nolet commented on ACCUMULO-1361:
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I will mention that there have been a few cases where I've had to use the
visibility filter outside of accumulo when I'm dealing with objects that have
visibility strings and I want to do an initial evaluation of the objects before
I decide to interact with Accumulo. Deciding how to reconcile an update of such
objects is one example.
> 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
>
>
> 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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