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From Adam Hunyadi <>
Subject Potential Problems on Discarding Return Values
Date Wed, 10 Jun 2020 10:11:22 GMT

Upon checking some behaviours in NiFi with Tamas Palfy, we have found 
that function signatures like this can be a frequent source of error:

|public FlowFile penalize(FlowFile flowFile) { ... }|

I documented the issue here:

It would be nice if a Java dev with some spare time could look more into 
the issue and share their findings.


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