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https://issues.apache.org/jira/browse/NIFI-4410?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16218777#comment-16218777
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ASF GitHub Bot commented on NIFI-4410:
--------------------------------------

Github user mattyb149 commented on the issue:

    https://github.com/apache/nifi/pull/2175
  
    This PR was about error handling, could you try 10k bad 
documents/operations?


> PutElasticsearchHttp needs better error handling and logging
> ------------------------------------------------------------
>
>                 Key: NIFI-4410
>                 URL: https://issues.apache.org/jira/browse/NIFI-4410
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Extensions
>            Reporter: Joseph Witt
>            Assignee: Matt Burgess
>
> https://github.com/apache/nifi/blob/6b5015e39b4233cf230151fb45bebcb21df03730/nifi-nar-bundles/nifi-elasticsearch-bundle/nifi-elasticsearch-processors/src/main/java/org/apache/nifi/processors/elasticsearch/PutElasticsearchHttp.java#L364-L366
> If it cannot extract the reason text it provides a very generic error and 
> there is nothing else logged.  You get no context as to what went wrong and 
> further the condition doesn't cause yielding or anything so there is just a 
> massive flood of errors in logs that dont' advise the user of the problem.
> We need to make sure the information can be made available to help 
> troubleshoot and we need to cause yielding so that such cases do not cause 
> continuous floods of errors.



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