Mark Payne created NIFI-12675:
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Summary: Python Processor erroring when creating custom
relationships
Key: NIFI-12675
URL: https://issues.apache.org/jira/browse/NIFI-12675
Project: Apache NiFi
Issue Type: Bug
Components: Core Framework
Reporter: Mark Payne
Assignee: Mark Payne
>From apache Slack thread
>([https://apachenifi.slack.com/archives/C0L9VCD47/p1706176890922519):]
{quote}Hello, I am trying to test some custom python processors with nifi
2.0.0-M1
It works fine except when I try to add custom relationships to it (other than
the default success, failure and original).
Here's what I am trying:
{code:java}
self.matched = Relationship("matched", "flowfiles having a match with
the regex")
self.unmatched = Relationship("unmatched", "flowfiles not having any
match with regex")
self.failure = Relationship("failure", "flowfiles for which process
errored while matching")
self.relationships = {self.matched, self.unmatched, self.failure}
{code}
I get py4j complaining about AttributeError: 'set' object has no attribute
'_get_object_id'
which seems like the auto conversion of Python to java container is not
happening for "Relationship" class. Any idea what could be wrong here?
{quote}
The problem appears to be that Relationships created are of type
{{nifiapi.Relationship}} but that is being sent back to the Java side without
being converted into a {{org.apache.nifi.processor.Relationship}}
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