我有一个等待客户端连接的最小服务器,然后他启动一个线程,将回复给客户端的答复,问题是答复。Java - 套接字 - 冻结
这是服务器的代码:路过
int port = 1234;
ServerSocket servSock = null;
servSock = new ServerSocket(port);
while (true) {
Socket link = servSock.accept();
serverThread st = new serverThread(link);
st.start();
}
这是线程的run()方法的代码,该代码发送答案回一个,SK是插座“链接”参数在服务器代码
public void run() {
String dato = "";
InputStream i = null;
try {
i = sk.getInputStream();
} catch (IOException ex) {
Logger.getLogger(serverThread.class.getName()).log(Level.SEVERE, null, ex);
}
Scanner input = new Scanner(i);
//i receive the data sent
while (input.hasNext()) {
dato += input.nextLine();
}
// then i send a reply
DataOutputStream outputStream=new DataOutputStream(sk.getOutputStream());
outputStream.writeInt(1);
outputStream.close();
客户端侧(只有代码应该接收来自服务器的应答):
Socket link;
int valid = 0;
String url="localhost";
int port=1234;
link = new Socket(InetAddress.getByName(url), port);
//i've to send some data to the server
PrintWriter output = new PrintWriter(link.getOutputStream(), true);
String a = new String(Base64.encode(mex));
output.println(createXml(tag, a));
output.flush();
//then i need to receive an answer from the server
DataInputStream answerI = new DataInputStream(link.getInputStream());
while(answerI.available()!=0)// but answerI.available() is always equal 0
valid = answerI.readInt();
answerI.close();
output.close();
link.close();
使用此代码istruction valid = answerI.readInt();未达到。
没有while循环,客户端冻结在line:valid = answerI.readInt();
任何人都可以帮助我吗?
预先感谢您
[什么是调试器,它如何帮助我诊断问题](http://stackoverflow.com/questions/25385173/what-is-a-debugger-and-how-can-it-help -me-diagnose-problems) – Raedwald 2016-01-29 03:38:59