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https://issues.apache.org/jira/browse/NIFI-6127?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joseph Witt updated NIFI-6127:
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Fix Version/s: 1.9.2
> 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
> Fix For: 1.10.0, 1.9.2
>
> Time Spent: 0.5h
> 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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