Agent upgrade using Centralised agents upgrade feature in Autosys WebUI failed with an error.
"Staging has failed. Upgrade cannot be continued"
Release : 12.0 and higher
Check the CA-wcc.log under logs directory on the WebUI install directory. If no errors found on the WCC logs -
Login to the agent host where the staging is failed.
Go to spool/wcc_agent_cmd directory under the agent install location.
Search for the current cmd.out and cmd.err files under the same for the reason for the failure.
As noted in the cmd.out file, the error is due to a communication failure between the agent and the WebUI.
The agent was not able to send the status back to Autosys-WebUI server.
Centralised agents upgrade feature requires communication between the Autosys WebUI server and the Agent.
Ensure that the agent host is reachable from the Autosys WebUI at the agent port number (agent_host:7520).
Also, ensure the agent is able to post messages to the WebUI server (8443).