当连接到服务器时，hazelcast客户端异常

I am trying to use hazelcast v3.2.4 (same version on server and client). The server (as simple an implementation that I could put in place) is running on a server. The client tries to connect to the remote server - the server prints the authentication requests but I receive the following log outputs (including exceptions) - any ideas on what I can do differently (copying both log output and config file). I am trying to connect via TCP/IP and I checked for network connectivity - I could not see anything blocking the connection. I am trying to use hazelcast v3.2.4 (same versi