什么是“java.net.NoRouteToHostException：无法分配请求的地址”？
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What is "java.net.NoRouteToHostException: Cannot assign requested address"?
提问by Jason
That's it. I have never seen before. I am trying Tcp Holepunching.
而已。我以前从未见过。我正在尝试 Tcp 打孔。
One Client should be both client and server(for other client).
一个客户端应该既是客户端又是服务器（对于其他客户端）。
I got this Exception. Is there anyone who know about this problem?
我得到了这个异常。有没有人知道这个问题？
java.net.NoRouteToHostException: Cannot assign requested address
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:579)
at java.net.Socket.connect(Socket.java:528)
at com.temp.TcpSocketClient.run(TcpSocketClient.java:563)
at java.lang.Thread.run(Thread.java:745)
回答by u6588371
hey can you check you request is use keep-Alive option? If you are doing a stress test, please try turning it off.
嘿，你能检查一下你的请求是使用 keep-Alive 选项吗？如果您正在进行压力测试，请尝试将其关闭。
回答by jitendra varshney
Signals that an error occurred while attempting to connect a socket to a remote address and port. Typically, the remote host cannot be reached because of an intervening firewall, or if an intermediate router is down. Read this Documnet
尝试将套接字连接到远程地址和端口时发生错误的信号。通常，由于防火墙的介入或中间路由器关闭，无法访问远程主机。阅读此文档
https://docs.oracle.com/javase/7/docs/api/java/net/NoRouteToHostException.html
https://docs.oracle.com/javase/7/docs/api/java/net/NoRouteToHostException.html
you can also go through these answers
你也可以通过这些答案
