Mark Payne created NIFI-7977:
--------------------------------

             Summary: MonitorActivity erroneously logs warnings about being in 
standalone mode when configured for cluster
                 Key: NIFI-7977
                 URL: https://issues.apache.org/jira/browse/NIFI-7977
             Project: Apache NiFi
          Issue Type: Bug
          Components: Extensions
            Reporter: Mark Payne


When MonitorActivity is configured with a scope of cluster, if a node gets 
disconnected from the cluster, it constantly spams the logs with inaccurate 
warnings:
{code:java}
2020-11-03 11:50:09,507 WARN [Timer-Driven Process Thread-4] 
o.a.n.p.standard.MonitorActivity 
MonitorActivity[id=8f020525-0175-1000-ffff-ffffeddd695c] NiFi is running as a 
Standalone mode, but 'cluster' scope is set. Fallback to 'node' scope. Fix 
configuration to stop this message.
2020-11-03 11:50:10,508 WARN [Timer-Driven Process Thread-4] 
o.a.n.p.standard.MonitorActivity 
MonitorActivity[id=8f020525-0175-1000-ffff-ffffeddd695c] NiFi is running as a 
Standalone mode, but 'cluster' scope is set. Fallback to 'node' scope. Fix 
configuration to stop this message.
2020-11-03 11:50:11,510 WARN [Timer-Driven Process Thread-6] 
o.a.n.p.standard.MonitorActivity 
MonitorActivity[id=8f020525-0175-1000-ffff-ffffeddd695c] NiFi is running as a 
Standalone mode, but 'cluster' scope is set. Fallback to 'node' scope. Fix 
configuration to stop this message.
2020-11-03 11:50:12,510 WARN [Timer-Driven Process Thread-7] 
o.a.n.p.standard.MonitorActivity 
MonitorActivity[id=8f020525-0175-1000-ffff-ffffeddd695c] NiFi is running as a 
Standalone mode, but 'cluster' scope is set. Fallback to 'node' scope. Fix 
configuration to stop this message.
2020-11-03 11:50:13,511 WARN [Timer-Driven Process Thread-4] 
o.a.n.p.standard.MonitorActivity 
MonitorActivity[id=8f020525-0175-1000-ffff-ffffeddd695c] NiFi is running as a 
Standalone mode, but 'cluster' scope is set. Fallback to 'node' scope. Fix 
configuration to stop this message.
2020-11-03 11:50:14,511 WARN [Timer-Driven Process Thread-6] 
o.a.n.p.standard.MonitorActivity 
MonitorActivity[id=8f020525-0175-1000-ffff-ffffeddd695c] NiFi is running as a 
Standalone mode, but 'cluster' scope is set. Fallback to 'node' scope. Fix 
configuration to stop this message.
2020-11-03 11:50:15,512 WARN [Timer-Driven Process Thread-9] 
o.a.n.p.standard.MonitorActivity 
MonitorActivity[id=8f020525-0175-1000-ffff-ffffeddd695c] NiFi is running as a 
Standalone mode, but 'cluster' scope is set. Fallback to 'node' scope. Fix 
configuration to stop this message.
2020-11-03 11:50:16,513 WARN [Timer-Driven Process Thread-8] 
o.a.n.p.standard.MonitorActivity 
MonitorActivity[id=8f020525-0175-1000-ffff-ffffeddd695c] NiFi is running as a 
Standalone mode, but 'cluster' scope is set. Fallback to 'node' scope. Fix 
configuration to stop this message.
2020-11-03 11:50:17,514 WARN [Timer-Driven Process Thread-9] 
o.a.n.p.standard.MonitorActivity 
MonitorActivity[id=8f020525-0175-1000-ffff-ffffeddd695c] NiFi is running as a 
Standalone mode, but 'cluster' scope is set. Fallback to 'node' scope. Fix 
configuration to stop this message.
2020-11-03 11:50:18,515 WARN [Timer-Driven Process Thread-5] 
o.a.n.p.standard.MonitorActivity 
MonitorActivity[id=8f020525-0175-1000-ffff-ffffeddd695c] NiFi is running as a 
Standalone mode, but 'cluster' scope is set. Fallback to 'node' scope. Fix 
configuration to stop this message.
2020-11-03 11:50:19,515 WARN [Timer-Driven Process Thread-2] 
o.a.n.p.standard.MonitorActivity 
MonitorActivity[id=8f020525-0175-1000-ffff-ffffeddd695c] NiFi is running as a 
Standalone mode, but 'cluster' scope is set. Fallback to 'node' scope. Fix 
configuration to stop this message.
2020-11-03 11:50:20,516 WARN [Timer-Driven Process Thread-6] 
o.a.n.p.standard.MonitorActivity 
MonitorActivity[id=8f020525-0175-1000-ffff-ffffeddd695c] NiFi is running as a 
Standalone mode, but 'cluster' scope is set. Fallback to 'node' scope. Fix 
configuration to stop this message.
2020-11-03 11:50:21,516 WARN [Timer-Driven Process Thread-4] 
o.a.n.p.standard.MonitorActivity 
MonitorActivity[id=8f020525-0175-1000-ffff-ffffeddd695c] NiFi is running as a 
Standalone mode, but 'cluster' scope is set. Fallback to 'node' scope. Fix 
configuration to stop this message.
2020-11-03 11:50:22,516 WARN [Timer-Driven Process Thread-8] 
o.a.n.p.standard.MonitorActivity 
MonitorActivity[id=8f020525-0175-1000-ffff-ffffeddd695c] NiFi is running as a 
Standalone mode, but 'cluster' scope is set. Fallback to 'node' scope. Fix 
configuration to stop this message.
2020-11-03 11:50:23,517 WARN [Timer-Driven Process Thread-6] 
o.a.n.p.standard.MonitorActivity 
MonitorActivity[id=8f020525-0175-1000-ffff-ffffeddd695c] NiFi is running as a 
Standalone mode, but 'cluster' scope is set. Fallback to 'node' scope. Fix 
configuration to stop this message.
2020-11-03 11:50:24,518 WARN [Timer-Driven Process Thread-8] 
o.a.n.p.standard.MonitorActivity 
MonitorActivity[id=8f020525-0175-1000-ffff-ffffeddd695c] NiFi is running as a 
Standalone mode, but 'cluster' scope is set. Fallback to 'node' scope. Fix 
configuration to stop this message. {code}



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