初学webservice抛异常Unable to establish loopback connection

先上异常：

Exception in thread "main" com.sun.xml.internal.ws.server.ServerRtException: Server Runtime Error: java.io.IOException: Unable to establish loopback connection
at com.sun.xml.internal.ws.transport.http.server.ServerMgr.createContext(Unknown Source)
at com.sun.xml.internal.ws.transport.http.server.HttpEndpoint.publish(Unknown Source)
at com.sun.xml.internal.ws.transport.http.server.EndpointImpl.publish(Unknown Source)
at com.sun.xml.internal.ws.spi.ProviderImpl.createAndPublishEndpoint(Unknown Source)
at javax.xml.ws.Endpoint.publish(Unknown Source)
at org.webservice.yss.MyServer.main(MyServer.java:10)

Caused by: java.io.IOException: Unable to establish loopback connection
at sun.nio.ch.PipeImpl$Initializer.run(Unknown Source)
at sun.nio.ch.PipeImpl$Initializer.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at sun.nio.ch.PipeImpl.<init>(Unknown Source)
at sun.nio.ch.SelectorProviderImpl.openPipe(Unknown Source)
at java.nio.channels.Pipe.open(Unknown Source)
at sun.nio.ch.WindowsSelectorImpl.<init>(Unknown Source)
at sun.nio.ch.WindowsSelectorProvider.openSelector(Unknown Source)
at java.nio.channels.Selector.open(Unknown Source)
at sun.net.httpserver.ServerImpl.<init>(Unknown Source)
at sun.net.httpserver.HttpServerImpl.<init>(Unknown Source)
at sun.net.httpserver.DefaultHttpServerProvider.createHttpServer(Unknown Source)
at com.sun.net.httpserver.HttpServer.create(Unknown Source)
... 6 more

Caused by: java.net.ConnectException: Connection refused: connect
at sun.nio.ch.Net.connect0(Native Method)
at sun.nio.ch.Net.connect(Unknown Source)
at sun.nio.ch.Net.connect(Unknown Source)
at sun.nio.ch.SocketChannelImpl.connect(Unknown Source)
at java.nio.channels.SocketChannel.open(Unknown Source)
... 19 more

代码结构：

只是一个webservice的demo，一个接口，一个实现类，一个类放main方法

出现该问题的时候到网络上找，有很多答案，包括防火墙啊，杀毒软件啊，我电脑里安装的是公司规定的趋势科技，不能退出也不能关闭，回家用另一台电脑可以启动该程序，后来才想到公司使用了网络代理，回环可能在这个环节，虽然用的是localhost，但也要通过网络代理进行分发处理，也就这个跟家里电脑有区别了，于是先退出代理软件，启动程序，perfect，至此解决了这个异常