smartUT 生成测试代码时报错

[yug2023]

• Connecting to master process on port 11077
  [MASTER] 18:20:26.404 [logback-2] ERROR ClientServices - Failed to register client services
  java.rmi.ConnectException: Connection refused to host: ; nested exception is:
  java.net.ConnectException: Connection timed out: connect
  at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:623)
  at sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:216)
  at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:202)
  at sun.rmi.server.UnicastRef.newCall(UnicastRef.java:342)
  at sun.rmi.registry.RegistryImpl_Stub.rebind(RegistryImpl_Stub.java:150)
  at org.smartut.rmi.ClientServices.registerServices(ClientServices.java:69)
  at org.smartut.ClientProcess.run(ClientProcess.java:83)
  at org.smartut.ClientProcess.main(ClientProcess.java:191)
  Caused by: java.net.ConnectException: Connection timed out: connect
  at java.net.DualStackPlainSocketImpl.connect0(Native Method)
  at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:75)
  at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476)
  at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218)
  at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200)
  at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:162)
  at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394)
  at java.net.Socket.connect(Socket.java:606)
  at java.net.Socket.connect(Socket.java:555)
  at java.net.Socket.(Socket.java:451)
  at java.net.Socket.(Socket.java:228)
  at sun.rmi.transport.proxy.RMIDirectSocketFactory.createSocket(RMIDirectSocketFactory.java:40)
  at sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(RMIMasterSocketFactory.java:148)
  at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:617)