Mark Payne created NIFI-6846:
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Summary: Content Repository may fail to cleanup after Processor
throws Exception
Key: NIFI-6846
URL: https://issues.apache.org/jira/browse/NIFI-6846
Project: Apache NiFi
Issue Type: Bug
Components: Core Framework
Reporter: Mark Payne
Assignee: Mark Payne
If a Processor throws an Exception while writing to a FlowFile, the Content
Claim that gets created for the FlowFile may not get cleaned up. To demonstrate
this, create a ConvertRecord processor. For the Record Reader, use a CSV
Reader. Feed it a CSV file where the content is malformed at some point in the
middle of the CSV file. Loop the failure relationship back to the ConvertRecord
processor.
After the FlowFile has failed several times, the Processor can be stopped. At
this point, you can determine how many resource claims exist in the Content
Repository by running the following command:
`find content_repository -type f | grep -v archive | wc -l`
This number should be approximately equal to 1 + the number of failures.
However, after the FlowFile Repository is checkpointed, running the command
again should yield approximately 1, not 1 + the number of failures. But
currently, I'm seeing 1 + the number of failures.
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