Bryan Bende created NIFI-11089:
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             Summary: Import from registry can create duplicate parameter 
providers
                 Key: NIFI-11089
                 URL: https://issues.apache.org/jira/browse/NIFI-11089
             Project: Apache NiFi
          Issue Type: Bug
            Reporter: Bryan Bende


While testing the fix for NIFI-11039, I created a scenario that created 
duplicate providers when importing from registry, when the intent was for them 
to be the same provider.

Scenario:
 * Create FileParameterProvider with two directories specified (group1, group2)
 * Create parameter contexts from each group
 * Create a flow with parent pg and child pg
 * Configure parent to use group1 context
 * Configure child to use group2 context
 * Save flow to registry
 * Delete everything from nifi (PGs, contexts, provider)
 * Import PG from registry

Import succeeds because of the issue resolved in NIFI-11039, but note that now 
two instances of FileParameterProvider were created, when the snapshot from 
registry only has one instance.



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