java.net.ConnectException

Question

当我通过USB连接并尝试连接运行在笔记本电脑上的网络服务来通过Google Nexus运行我的应用程序时，我遇到错误，但可以连接到Webservie。请指教。

     java.net.ConnectException: failed to connect to /192.168.1.122 (port 8080):       
           connect failed: ENETUNREACH (Network is unreachable)

            at libcore.io.IoBridge.connect(IoBridge.java:114)
            at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:192)
            at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
            at java.net.Socket.startupSocket(Socket.java:566)
            at java.net.Socket.tryAllAddresses(Socket.java:127)
            at java.net.Socket.<init>(Socket.java:177)
            at org.apache.commons.httpclient.protocol.DefaultProtocolSocketFactory.createSocket(DefaultProtocolSocketFactory.java:80)
            at org.apache.commons.httpclient.protocol.DefaultProtocolSocketFactory.createSocket(DefaultProtocolSocketFactory.java:122)
            at org.apache.commons.httpclient.HttpConnection.open(HttpConnection.java:707)
            at org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(HttpMethodDirector.java:387)
            at org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMethodDirector.java:171)
            at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:397)
            at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:323)

Answer 1

仅仅因为您将手机连接到计算机并不意味着它将创建网络连接。

创建一个 LAN，在 LAN IP 上运行 Web 服务。并使用wifi连接到它。