A few errors (such as SocketConnectionException and InterruptedException) are displayed in the logs unnecessarily.

Because CentOS 8 has reached its end-of-life (EOL) support, container image builds performed by Spotfire Service for Python and the TERR service can no longer be updated from the default CentOS package mirror network. 

Incorrect instructions for installing the service indicates that you cannot use an operating system that is different from the Spotfire Server for the for the node manager onto which the service is installed.