[jira] [Commented] (NIFI-4131) GenerateTableFetch - Add a warning when not correctly setting the connections

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/NIFI-4131?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16064928#comment-16064928 ] 

ASF GitHub Bot commented on NIFI-4131:
--------------------------------------

GitHub user pvillard31 opened a pull request:

    https://github.com/apache/nifi/pull/1954

    NIFI-4131 - GFT warning message when badly setting relationships

    Thank you for submitting a contribution to Apache NiFi.
    
    In order to streamline the review of the contribution we ask you
    to ensure the following steps have been taken:
    
    ### For all changes:
    - [X] Is there a JIRA ticket associated with this PR? Is it referenced in the commit message?
    
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    - [X] Have you ensured that the full suite of tests is executed via mvn -Pcontrib-check clean install at the root nifi folder?
    
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    Please ensure that once the PR is submitted, you check travis-ci for build issues and submit an update to your PR as soon as possible.


You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/pvillard31/nifi NIFI-4131

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/nifi/pull/1954.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #1954
    
----

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> GenerateTableFetch - Add a warning when not correctly setting the connections
> -----------------------------------------------------------------------------
>
>                 Key: NIFI-4131
>                 URL: https://issues.apache.org/jira/browse/NIFI-4131
>             Project: Apache NiFi
>          Issue Type: Improvement
>          Components: Extensions
>            Reporter: Pierre Villard
>            Assignee: Pierre Villard
>            Priority: Trivial
>
> When using the GenerateTableFetch, I found myself into the following situation: using the processor as a source processor (no incoming connection) but setting the failure relationship back on the processor itself. With this setup the processor will never do anything and will not generate any kind of log message.
> I know it didn't make sense to use the failure relationship on a source processor and that the behavior is described in the documentation, but it could be useful to add a warning in such a situation (for people like me ;-)).



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