We are considering a maintenance window to shutdown and copy known stable node flow.xml.gz to all the other nodes and restart as a first step
Two nodes dropping out may be to missing references in Controller Service that may be fixed by flow.xml updates It’s an idea? John > On Oct 8, 2020, at 10:34 AM, jgunvaldson <[email protected]> wrote: > > Powered by Apache NiFi Version 1.9.0 > 1.9.0.3.4.1.1-4 built 05/01/2019 02:15:30 UTC > Tagged nifi-1.9.0-RC2 > 6 Node Cluster > > ~~ > > This is a long shot, but I have developers reporting an inability to disable > a “AvroSchemaRegistry” controller service without a couple of the Cluster > nodes disconnecting and reconnecting, throwing the error > > “Cluster is unable to service request to change flow: 2 Nodes are currently > connecting” > > Controller remains alive/active and is not disabled > > Nodes come back and remain connected > > I have noticed disabled, stopped and active processors using this Controller > Service that they would like to disable (which would render those components > invalid I would assume - if process to disable was successful) > > Ever heard of this symptom? > > > Thanks for any ideas > > John >
