Did you install the JTAPI from the CM plug-ins? And have you specified the right jtapi user and password for the connection from pg to CM? It looks like you have not installed JTAPI. If you have installed jtapi, then you would get a different error for failed connectivity.
Can you get me the jgw1 process log. I can take a look at it. It looks like jtapi does not stay up. More than the PG log, you need to look at the jtapi log because that is the one that exits. Jack up the trace, restart PG and send me the log. Did you do any upgrades recently? Or is this a new implementation?
Also, take a look at the IPCC Troubleshooting Guide
Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...
The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.