Bryan Bende created NIFI-5970:
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             Summary: PutSQL with batch size > 1 + DBCPConnectionPoolLookup 
results in missing database.name
                 Key: NIFI-5970
                 URL: https://issues.apache.org/jira/browse/NIFI-5970
             Project: Apache NiFi
          Issue Type: Bug
    Affects Versions: 1.8.0
            Reporter: Bryan Bende


When the batch size is greater than 1 we end up passing null for the attributes 
that get passed in to the DBCPConnectionPoolLookup, this is because the 
attributes of each flow file could be different:

[https://github.com/apache/nifi/blob/master/nifi-nar-bundles/nifi-extension-utils/nifi-processor-utils/src/main/java/org/apache/nifi/processor/util/pattern/Put.java#L97]

Part of the issue is that at this point in the code we have no idea if we are 
using a DBCPConnectionPoolLookup that requires the database.name attribute, or 
just a regular DBCPConnectionPool that doesn't.

https://stackoverflow.com/questions/54312773/dbcpconnectionpoollookup-complaining-about-missing-database-name-even-when-it-is



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