Vasily Gudoshnikov created NIFI-8040:
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Summary: Failed to update Flow on all nodes in cluster due to
Cannot modify Processor configuration while the Processor is running
Key: NIFI-8040
URL: https://issues.apache.org/jira/browse/NIFI-8040
Project: Apache NiFi
Issue Type: Bug
Components: Core Framework
Reporter: Vasily Gudoshnikov
Attachments: ProcessorNode.patch, image-2020-11-24-15-57-26-995.png
Relates to NIFI-5227
Steps to reproduce:
# Create a simple flow: *GenerateFlowFile + UpdateAttribute*. Ensure both
processors have valid state.
# Commit flow to a registry.
# Remove connection between processors or do something else to move
*UpdateAttribute* in invalid state.
# Commit flow to a registry.
# Change flow version to "1". *UpdateAttribute* should be valid now.
# Run *UpdateAttribute*
# Change flow version to "2". Ensure *UpdateAttribute* has invalid state now.
# Change flow version back to "1".
You will see error message _"Failed to update Flow on all nodes in cluster due
to Cannot modify Processor configuration while the Processor is running"._
_!image-2020-11-24-15-57-26-995.png!_
Error message for single node (non cluster) will be similar.
See attached patch. My solution is quite simple but I don't sure may be it is
not good enough.
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