Paul Grey created NIFI-10815:
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Summary: Processor configuration issue @TriggerWhenEmpty / Default
Yield Duration
Key: NIFI-10815
URL: https://issues.apache.org/jira/browse/NIFI-10815
Project: Apache NiFi
Issue Type: Bug
Reporter: Paul Grey
While testing a custom processor with the annotation `TriggerWhenEmpty`, noted
an issue with the scheduling of the processor.
The processor setting `Yield Duration` defaults in the UI to `1 sec`. The
expectation of the `onTrigger()` method is that, if the API
`ProcessContext.yield()` is called, the processor should not be scheduled for
the amount of time specified in Yield Duration.
On adding the custom processor to the canvas and starting it, the processor is
scheduled continuously. When the processor is stopped and Yield Duration is
edited, starting the processor results in Yield Duration being honored.
Reverting the edit (to set Yield Duration to the default) is also honored.
It is as if the default Yield Duration setting is ignored when the setting has
never been set.
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