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Posted to issues@nifi.apache.org by "Matt Burgess (JIRA)" <ji...@apache.org> on 2019/03/19 18:04:00 UTC

[jira] [Updated] (NIFI-6127) AttributeExpressionLanguage - 'match' and 'find' throw NPE when comparison object is a non existing flowfile attribute

     [ https://issues.apache.org/jira/browse/NIFI-6127?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matt Burgess updated NIFI-6127:
-------------------------------
    Summary: AttributeExpressionLanguage - 'match' and 'find' throw NPE when comparison object is a non existing flowfile attribute  (was: AttributeExpressionLanguage - 'match' throws NPE when comparison object is a non existing flowfile attribute)

> 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
>    Affects Versions: 1.8.0
>            Reporter: Steven Youtsey
>            Priority: Major
>
> 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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