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Issues with Runtime Manager after upgrading Runtime Agent from older versions to later versions

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SYMPTOM

The Runtime Manager continues to have communication issues between the Mule Runtime Agent and the On-Prem server even after upgrading the Agent from older versions(prior to 1.12.0 in Mule 3.x / 2.2.0 in Mule 4.x) to latest versions(1.12.0 onwards in Mule 3.x / 2.2.0 in Mule 4.x)

CAUSE

The endpoints for communicating with Anypoint Runtime Manager have been modified as mentioned in Mule 3 and Mule 4 .
The Agent prior to version 1.12.0 (in Mule 3.x) / 2.2.0 (in Mule 4.x) has the following values for consoleUri and endpoint in $MULE_HOME/conf/mule-agent.yml
consoleUri: wss://mule-manager.anypoint.mulesoft.com:443/mule
endpoint: https://arm-auth-proxy.prod.cloudhub.io

Example:
transports:
  rest.agent.transport:
    enabled: false
  websocket.transport:
    enabled: true
    consoleUri: wss://mule-manager.anypoint.mulesoft.com:443/mule
    handshake:
      enabled: true
      body: null
globalConfiguration:
  security:
    keyStorePassword: xxxxxxxxxxxxxxxxx
    keyStoreAlias: agent
    keyStoreAliasPassword: xxxxxxxxxxxxxxxxx
  authenticationProxy:
    endpoint: https://arm-auth-proxy.prod.cloudhub.io


The Agent from version 1.12.0 (in Mule 3.x) / 2.2.0 (in Mule 4.x) onwards has the following values for consoleUri and endpoint in $MULE_HOME/conf/mule-agent.yml
consoleUri: wss://runtime-manager.anypoint.mulesoft.com:443/mule
endpoint: https://data-authenticator.anypoint.mulesoft.com

Example:
transports:
  rest.agent.transport:
    enabled: false
  websocket.transport:
    enabled: true
    consoleUri: wss://runtime-manager.anypoint.mulesoft.com:443/mule
    handshake:
      enabled: true
      body:
globalConfiguration:
  security:
    keyStorePassword:xxxxxxxxxxxxxxxxx
    keyStoreAlias: agent
    keyStoreAliasPassword: xxxxxxxxxxxxxxxxx
  authenticationProxy:
    endpoint: https://data-authenticator.anypoint.mulesoft.com
 

SOLUTION 

Whenever the Agent is Installed or Updated (Refer Install or Update Runtime Agent) , the mule-agent.yml should have the values for consoleUri and endpoint updated automatically, but in certain cases it is not updated. If that is the case, then please have the values for consoleUri and endpoint updated manually under mule-agent.yml and restart Mule or the API gateway runtime in order to have the changes reflected.
consoleUri: wss://runtime-manager.anypoint.mulesoft.com:443/mule
endpoint: https://data-authenticator.anypoint.mulesoft.com

Please note the correct values for the EU Plane are:
consoleUri: wss://runtime-manager.eu1.anypoint.mulesoft.com:443/mule
endpoint: https://data-authenticator.eu1.anypoint.mulesoft.com

Please see https://docs.mulesoft.com/api-manager/2.x/runtime-urls-allowlist for a list of all the Anypoint Platform hostnames.

An example solution is:
transports:
  rest.agent.transport:
    enabled: false
  websocket.transport:
    enabled: true
    consoleUri: wss://runtime-manager.anypoint.mulesoft.com:443/mule
    handshake:
      enabled: true
      body:
globalConfiguration:
  security:
    keyStorePassword:xxxxxxxxxxxxxxxxx
    keyStoreAlias: agent
    keyStoreAliasPassword: xxxxxxxxxxxxxxxxx
  authenticationProxy:
    endpoint: https://data-authenticator.anypoint.mulesoft.com
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