Mark Payne created NIFI-2082:
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Summary: When a node is disconnected from cluster, it should be
made extremely obvious in the UI
Key: NIFI-2082
URL: https://issues.apache.org/jira/browse/NIFI-2082
Project: Apache NiFi
Issue Type: Improvement
Components: Core UI
Affects Versions: 1.0.0
Reporter: Mark Payne
Priority: Critical
Fix For: 1.0.0
Because we now have a zero-master clustering paradigm, it's possible to open
the UI on a node that is disconnected from the cluster. In this case, changes
made to the UI will be accepted, but they will not be replicated to the
cluster. As a result, the flow will be out-of-sync with the cluster, and in
order to get the node back to the cluster, the changes would have to be undone
and the work potentially lost (user could create a template to save the changes
but may not know what all they changed).
The UI should make it very obvious that the node is disconnected and that any
changes that made will not be replicated to the cluster.
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