[英]Python server only receives one character from Java client?
我正在嘗試實現一個簡單的Python服務器以與一些簡單的Java客戶端代碼進行通信,但是卻出現了一些奇怪的行為。 我正在運行Mac OSX 10.7.2。
客戶代碼:
import java.io.*;
import java.net.*;
public class JavaClient {
public static void main(String argv[]) throws Exception {
String sentence;
String modifiedSentence;
BufferedReader inFromUser = new BufferedReader( new InputStreamReader(System.in));
Socket clientSocket = new Socket("localhost", 9999);
DataOutputStream outToServer = new DataOutputStream(clientSocket.getOutputStream());
BufferedReader inFromServer = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
sentence = inFromUser.readLine() + '\n';
outToServer.writeBytes(sentence);
modifiedSentence = inFromServer.readLine();
System.out.println("FROM SERVER: " + modifiedSentence);
clientSocket.close();
}
}
服務器代碼:
import SocketServer
class PythonServer(SocketServer.BaseRequestHandler):
def handle(self):
# self.request is the TCP socket connected to the client
self.data = self.request.recv(1024).strip()
print "{} wrote:".format(self.client_address[0])
print self.data
# just send back the same data, but upper-cased
self.request.sendall(self.data.upper())
if __name__ == "__main__":
HOST, PORT = "localhost", 9999
# Create the server, binding to localhost on port 9999
server = SocketServer.TCPServer((HOST, PORT), MyTCPHandler)
# Activate the server; this will keep running until you
# interrupt the program with Ctrl-C
server.serve_forever()
奇怪的是,我第一次實例化服務器並從Java客戶端發送請求時,一切都按預期進行:
Java控制台:
test
FROM SERVER: TEST
命令行:
127.0.0.1 wrote:
test
但是隨后的請求導致:
Java控制台:
test
FROM SERVER: T
命令行:
127.0.0.1 wrote:
t
因此,盡管我的客戶認為它正在發送整個消息,但看起來我的服務器僅接收到消息的第一個字符。
為了進一步使事情復雜化,我創建了一個Java服務器和Python客戶端,並且Java客戶端/服務器組合和Python客戶端/服務器組合沒有這個問題,但是Python客戶端/ Java服務器卻沒有。
有任何想法嗎?
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