Rahul Soni created NIFI-7444:
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Summary: Add "retry" relation to the Convert Record Processor
Key: NIFI-7444
URL: https://issues.apache.org/jira/browse/NIFI-7444
Project: Apache NiFi
Issue Type: New Feature
Components: Configuration
Reporter: Rahul Soni
Follows the case for adding a retry relationship and redirect the "failed"
conversion to this relationship in certain scenarios with one of those
discussed below.
Today we have either success or failure relationship for ConvertRecord
processor. It works well until the Record Reader/Writer is using Schema
Registry and then we reach a point where Schema Registry is unavailable due to
any reason. Now the records which are supposed to be converted from one format
to another are routed to failure because “schema” is not found for those flow
files.
One can re-attempt those flow files in one way or another but the issue is it’s
not effective to retry a flow file any number of times which doesn’t have a
schema available, actually. On the flip side, we can have a counter that the
flow file should be tried n number of times before being redirected to the
failure relationship but then again we are on the mercy of Schema Registry to
be up within the configured period of re-attempts before we potentially "lose"
the flow file by redirecting it to the failed relationship.
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