[jira] [Assigned] (NIFI-11480) PutElasticsearchRecord should have an option to output _bulk api response errors as flowfile attributes

["Chris Sampson (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/NIFI-11480?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chris Sampson reassigned NIFI-11480:
------------------------------------

    Assignee: Chris Sampson

> PutElasticsearchRecord should have an option to output _bulk api response errors as flowfile attributes
> -------------------------------------------------------------------------------------------------------
>
>                 Key: NIFI-11480
>                 URL: https://issues.apache.org/jira/browse/NIFI-11480
>             Project: Apache NiFi
>          Issue Type: Improvement
>            Reporter: Chris Sampson
>            Assignee: Chris Sampson
>            Priority: Minor
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> https://github.com/apache/nifi/pull/6903 for NIFI-11111 introduced a [conversation|https://github.com/apache/nifi/pull/6903#issuecomment-1513872398] about outputting the response error details for Records that are not processed by Elasticsearch.
> The same PR introduces a new {{elasticsearch.bulk.error}} attribute for the {{PutElasticsearchJson}} processor, but explains why [it's not so simple for PutElasticsearchRecord|https://github.com/apache/nifi/pull/6903#issuecomment-1514554132] due to input FlowFiles potentially containing many Records and there being no obvious way of expressing error details for all such Records in the single output flowfile.
> One [suggested approach|https://github.com/apache/nifi/pull/6903#issuecomment-1517903668] would be to "partition" the output {{errors}} Records into multiple flowfiles, grouped by the error {{type}} provided by Elasticsearch. This {{type}} could then be added to the flowfile(s) as the {{elasticsearch.bulk.error}} attribute. Flows could then {{RouteOnAttribute}} if they wanted to handle certain Elasticsearch errors in particular ways. Leaving all errors flowfiles in the same output queue avoids the problem of the [large (and changing) number of potential Elasticsearch error types|https://github.com/apache/nifi/pull/6903#issuecomment-1517863606]
> Such output partitioning (if implemented) should be optional, driven by a processor property that maintains the current "all in one" flowfile output by default.



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