托管要由多个使用者使用的WCF服务，获取FaultException

I have one computer acting as a WCF service host. a client machine will have multiple client processes running, each also hosting WCF services on separate ports (5601, 5602, etc.). The client processes will handshake the host. Once the handshake is received, the host will send back some data. The client processes are spawned one after another, as directed by a separate method on the host machine. However, I keep getting the following exception after starting more than one instance:I have one computer acting as a WCF service hos