Mark Payne created NIFI-6677:
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Summary: ListHDFS can clear state and re-list everything on
Primary Node change if property was modified before Processor started
Key: NIFI-6677
URL: https://issues.apache.org/jira/browse/NIFI-6677
Project: Apache NiFi
Issue Type: Bug
Components: Extensions
Reporter: Mark Payne
Assignee: Mark Payne
If the "Directory" or "File Filter" property is changed in ListHDFS, and then
the Processor is started, a change in the Primary Node can result in resetting
the Processor state.
To replicate, create a ListHDFS Processor in a cluster. Configure to point to
some directory and start the processor running on Primary Node. After the
listing has completed, disconnect the Primary Node from the cluster to trigger
the Primary Node to change. At this point, the Processor will reset its state
and re-list everything.
Note that once NiFi has been restarted, this behavior will no longer exist
until the Processor's Directory or "File Filter" property is changed again. It
also will not happen again if the new Primary Node has already reset the state
as a result of the property change.
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