The Solace connector requires “Secure listen” functionality. The connector is not yet compatible with multi-tenant (Private) Atom Clouds. It runs fine on a local run-time (Atom) or a HA run-time (Molecule). We’ve reported the issue to both Solace and Boomi last October.
See https://help.boomi.com/bundle/connectors/page/int-Implementing_secure_listen.html for more information