After Stack Image Update, Essbase Cannot be Accessed

Sometimes, after performing an Essbase stack image update from 21.3 to 21.4, an error such as NETWORK ERROR [10061]: FAILED TO CONNECT TO [ESSBASEXXXXX-X:1423] might be displayed, and Essbase web interface cannot be accessed after configuration.

Workaround: This error can be resolved by restarting the servers.