[jira] [Created] (NIFI-5077) Grok pattern match presenting null values

[Ramon de Graaff (JIRA)]

Ramon de Graaff created NIFI-5077:
-------------------------------------

             Summary: Grok pattern match presenting null values
                 Key: NIFI-5077
                 URL: https://issues.apache.org/jira/browse/NIFI-5077
             Project: Apache NiFi
          Issue Type: Bug
          Components: Core Framework
    Affects Versions: 1.6.0
         Environment: CentOS 7
            Reporter: Ramon de Graaff
         Attachments: grok.xml

Pattern matches but also attaches null values.

grok-pattern:

{{TEST %\{A}|%\{B}}}
{{A %\{INT:test}}}
{{B %\{INT:test}}}

{{INT (?:[+-]?(?:[0-9]+))}}

flowfile-content:

{{1}}

Flow file attributes after match:

{{grok.A}}
{{1}}
{{grok.TEST}}
{{1}}
{{grok.test}}
{{[1, null]}}

 



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