Aria Operations for Logs UI intermittently not accessible with nodes uptime flapping

Products

• VCF Operations/Automation (formerly VMware Aria Suite)

Issue/Introduction

• Running the command nodetool-no-pass on root ssh session for each node shows all nodes in UN state
• Nodes shows Uptime is changing after a few minutes
• Logging into Cassandra database /usr/lib/loginsight/application/lib/apache-cassandra-*/bin/cqlsh-no-pass throws the error similar to Cassandra username and or password are incorrect.
• When checking the Aria Operations for logs nodes /storage/core/loginsight/var/runtime.log see errors similar to: 

  [2025-06-19 13:29:28.916+0000] ["s56-admin-1"/10.210.64.45 WARN] [com.datastax.oss.driver.internal.core.control.ControlConnection] [[s56] Authentication errors encountered on all contact points. Please check your authentication configuration.]

• Running the command /usr/lib/loginsight/application/lib/apache-cassandra-*/bin/credentials-look-up on ssh session as root, we see that worker nodes had the username set to cassandra , this is incorrect the username should be lisuper. 

Environment

Aria Operations 8.18.x 

Cause

Cassandra credentials where changed to default Cassandra value

 

Resolution

Apply the steps in kb Aria Operations for Logs UI down after upgrade with error in logs "Provided username lisuper and/or password are incorrect"'