Hello, We have configured Nifi via Ambari HDF. Its a 3 node cluster. It was working since last 2 weeks but suddenly now we are facing issues while accessing Web UI. Currently i am getting below error while access the UI. Cannot replicate request to Node ip-*******.eu-central-1.compute.internal:8080 because the node is not connected At times, i am able to access the UI but than after few seconds it refresh and pops up with this error. I have tried starting and stopping all components but the problem still persists. Anyone who has faced similar issue? What is the solution? Thanks in advance. Laeeq - ... View more