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https://issues.apache.org/jira/browse/NIFI-10290?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mark Payne updated NIFI-10290:
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Fix Version/s: 1.18.0
Resolution: Fixed
Status: Resolved (was: Patch Available)
> System tests attempting to start processors while still validating
> ------------------------------------------------------------------
>
> Key: NIFI-10290
> URL: https://issues.apache.org/jira/browse/NIFI-10290
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Reporter: Mark Payne
> Assignee: Mark Payne
> Priority: Major
> Fix For: 1.18.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> We periodically see system tests fail because they attempt to start a
> processor while the Processor is still Validating. Most of the time, this is
> obvious by looking at the logs, which indicate that the Processor cannot be
> started because it is Validating.
> Less obvious, though, we sometimes see tests fail because they trigger a
> Process Group to start processing. This will start all processors that are
> valid. However, if a processor is still validating, it will be simply skipped
> over without error. This can cause failures that are much harder to
> understand.
> We should update the NiFiClientUtil used by system tests. The
> startProcessor() method should wait until the processor is no longer
> validating before attempting to start it. Additionally, the
> startProcessGroupContents() method should wait until all processors within
> the group have finished validating before making the start request.
> We should then update the system tests to make use of these methods
> everywhere instead of using the ProcessorClient.startProcessor method.
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