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https://issues.apache.org/jira/browse/NIFI-6127?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16796670#comment-16796670
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ASF subversion and git services commented on NIFI-6127:
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Commit 06f41ac6f8645fc2e37be2529200e89177f48197 in nifi's branch
refs/heads/master from Matt Burgess
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=06f41ac ]
NIFI-6127: Fixed NPE in match() and find() EL functions when attribute doesn't
exist
This closes #3378.
Signed-off-by: Koji Kawamura <ijokaruma...@apache.org>
> AttributeExpressionLanguage - 'match' and 'find' throw NPE when comparison
> object is a non existing flowfile attribute
> ----------------------------------------------------------------------------------------------------------------------
>
> Key: NIFI-6127
> URL: https://issues.apache.org/jira/browse/NIFI-6127
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Reporter: Steven Youtsey
> Assignee: Matt Burgess
> Priority: Major
> Time Spent: 20m
> Remaining Estimate: 0h
>
> MatchesEvaluator, line 56 - When the flow file attributes do not contain the
> attribute specified in the comparison portion of a 'matches' operation, the
> Pattern.compile(null) throws an NPE.
> Since there is no guarantee that a specified flow file attribute is present,
> this should simply return BooleanQueryResult(false) if the desired attribute
> does not exist.
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