[英]Python Server / Java Client “Connection refused: connect”
我正在使用TCP套接字进行通信。
工作时出现问题
奇怪的是(在使用Python的服务器中)
在python中使用'socket'类不会导致问题,但是在python中使用'SocketServer.TCPServer'类会导致问题
这是我的环境。
服务器代码(使用Python):
SooMain.py
如果name ==“ main ”:
server = SooServer('localhost', PORT_DEBUG, SooRequestHandler) server.serve_forever()
SooServer.py
class SooServer(SocketServer.TCPServer): "This is Server For Project201201" def __init__(self, host='localhost', port=PORT_DEBUG, handler=SooRequestHandler): #SocketServer.ThreadingTCPServer.__init__(self, (host, port), handler) SocketServer.TCPServer.__init__(self, (host, port), handler) print "SooServer <State> __init__" self.abort=0 self.timeout=10 def shutdown(self): SocketServer.ThreadingTCPServer.shutdown(self) print "SooServer <State> shutdown"
客户端代码(使用Java):
TestJava.java
public class TestJava { public static void main(String[] args) throws Exception{ // TODO Auto-generated method stub try { String[] aStrData = { "Test", "Test" }; InetAddress m_oInetAddr = InetAddress.getByName(DEBUG_ADDR); Socket m_oSocket = new Socket(m_oInetAddr, DEBUG_PORT); //This Line Makes Exception!!!!! PrintWriter out = new PrintWriter( new BufferedWriter( new OutputStreamWriter(m_oSocket.getOutputStream())), true); int nNumData = aStrData.length; out.println(Integer.toString(nNumData)); for (int i=0 ; i<nNumData ; i++) { out.println(aStrData[i]); } } catch (Exception e) { e.printStackTrace(); } } }
错误代码(使用Java):
Releated Line : Socket m_oSocket = new Socket(m_oInetAddr, DEBUG_PORT);
java.net.ConnectException: Connection refused
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:391)
at java.net.Socket.connect(Socket.java:579)
at java.net.Socket.connect(Socket.java:528)
at java.net.Socket.<init>(Socket.java:425)
at java.net.Socket.<init>(Socket.java:241)
at TestJava.main(TestJava.java:51)
问题可能是您的服务未在该端口上运行,或者可能是某个其他应用程序已经在使用该服务,因为...
This exception usually means that there is no service listening to
the port you are attempting to connect to.
检查以下内容。
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