I'm getting an error message "Unable to get MBean Reference. T3 Protocol is not enabled in WebLogic server". How to enable T3 Protocol in WebLogic Server?

I'm getting an error message "Unable to get MBean Reference. T3 Protocol is not enabled in WebLogic server". How to enable T3 Protocol in WebLogic Server?

To enable T3 protocol in WebLogic Server 8.x:
  1. Go to the WebLogic console. Click on Servers and select the respective server.
  2. Navigate to the Protocol tab.
  3. Choose Show link in the  'Advanced Options' tab.
  4. Choose the Enable Tunneling option and save the changes.
To enable T3 protocol in WebLogic Server 10.x:
  1. Go to the WebLogic console. Click on Servers and select the respective server.
  2. Navigate to the Protocol tab.
  3. Choose the Enable Tunneling option and save the changes.