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https://issues.apache.org/jira/browse/NIFI-5077?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16476216#comment-16476216
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ASF subversion and git services commented on NIFI-5077:
-------------------------------------------------------
Commit ccedc71c8b89e1792d79197f399b37b1ac541e3f in nifi's branch
refs/heads/master from [~ottobackwards]
[ https://git-wip-us.apache.org/repos/asf?p=nifi.git;h=ccedc71 ]
NIFI-5077 ExtractGrok support for `keep empty captures`
Support for the new option to keep empty captures. I did not add to the
GrokReader because I am not sure of the effect on
the schema extraction.
Signed-off-by: Pierre Villard <pierre.villard...@gmail.com>
This closes #2698.
> Grok support for Empty Captures
> -------------------------------
>
> Key: NIFI-5077
> URL: https://issues.apache.org/jira/browse/NIFI-5077
> Project: Apache NiFi
> Issue Type: Bug
> Components: Extensions
> Affects Versions: 1.6.0
> Environment: CentOS 7
> Reporter: Ramon de Graaff
> Assignee: Otto Fowler
> Priority: Major
> Fix For: 1.7.0
>
> Attachments: grok.xml
>
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> 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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