socket.io netty java,netty-socketio启动报错

io.netty.channel.ChannelException: Unable to create Channel from class class io.netty.channel.socket.nio.NioServerSocketChannel

at io.netty.channel.ReflectiveChannelFactory.newChannel(ReflectiveChannelFactory.java:40)

at io.netty.bootstrap.AbstractBootstrap.initAndRegister(AbstractBootstrap.java:319)

at io.netty.bootstrap.AbstractBootstrap.doBind(AbstractBootstrap.java:281)

at io.netty.bootstrap.AbstractBootstrap.bind(AbstractBootstrap.java:277)

at com.corundumstudio.socketio.SocketIOServer.startAsync(SocketIOServer.java:151)

at com.corundumstudio.socketio.SocketIOServer.start(SocketIOServer.java:123)

at com.utils.SocketIoService.startServer(SocketIoService.java:39)

at com.hz.demo.controller.TestController.startServer(TestController.java:51)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:498)

at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205)

at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133)

at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97)

at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827)

at org.sp