BusinessConnect implements SNI (Server Name Identification), which may cause an issue with a Trading Partner that is not configured to use it. To address the issue, add the following property to the deployed TRA file.
java.property.jsse.enableSNIExtension=false
Restart the engine after changing the TRA file.
Issue/Introduction
Error sending requests to a Trading Partner: Message: Error connecting to host ... handshake alert: unrecognized_name.