即使在刷新outputstream之后,在套接字编程中抛出EOFEException的Java程序
这是错误的完整跟踪即使在刷新outputstream之后,在套接字编程中抛出EOFEException的Java程序,java,sockets,network-programming,objectinputstream,objectoutputstream,Java,Sockets,Network Programming,Objectinputstream,Objectoutputstream,这是错误的完整跟踪 java.io.EOFException at java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2323) at java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:2792) at java.io.ObjectInputStream.readS
java.io.EOFException
at java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2323)
at java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:2792)
at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:800)
at java.io.ObjectInputStream.<init>(ObjectInputStream.java:298)
at mypackage.JChatComm.receiveMessage(JChatComm.java:83)
at mypackage.JThread.run(JThread.java:19)
at java.lang.Thread.run(Thread.java:701)
这是我的sendMessage程序
此程序是发送消息的主程序。它总是能够正常地冲洗输出流。但receiveMessage仍在抛出错误
public boolean sendMessage() throws IOException{
try{
System.out.println("3");
final String msg;
if (type.equals("c")){
msg = cp.tf.getText();
}
else msg = tab.tf.getText();
System.out.println(msg);
JPacket j1 = new JPacket(msg);
OutputStream outToServer = client.getOutputStream();
ObjectOutputStream out = new ObjectOutputStream(outToServer);
out.writeObject(j1);
System.out.println("13");
out.flush();
System.out.println("12");
SwingUtilities.invokeLater(new Runnable() {
public void run() {
if (type.equals("s")){
tab.ta.append("You: "+msg+"\n");
tab.tf.setText("");
}
else {
System.out.println("Client");
cp.ta.append("You: "+msg+"\n");
cp.tf.setText("");
}
}
});
if(msg.equals("End Chat")) {
endChat();
return false;
}
else
return true;
}
catch (Exception ea){
ea.printStackTrace();
System.out.println("7");
return false;
}
}
我每次都刷新对象输出流,但它仍然抛出相同的错误 不要为每条消息创建新流。在套接字的生命周期的两端使用单个ObjectNoutStream和ObjectOutputStream。这些流都有流头,重新创建它们只是一个完全不同步的机会。客户端大概是套接字?如果它是同一个套接字,那么您写入它的内容将发送到服务器,而不是发送到同一个套接字的输入流。实际上,这两个方法都是类的一部分,一次客户端套接字是由
新套接字实例化的客户端套接字。connect(ip,端口)
和其他时间在不同的运行中,它是通过接受serversocket的连接来实例化的。
public boolean sendMessage() throws IOException{
try{
System.out.println("3");
final String msg;
if (type.equals("c")){
msg = cp.tf.getText();
}
else msg = tab.tf.getText();
System.out.println(msg);
JPacket j1 = new JPacket(msg);
OutputStream outToServer = client.getOutputStream();
ObjectOutputStream out = new ObjectOutputStream(outToServer);
out.writeObject(j1);
System.out.println("13");
out.flush();
System.out.println("12");
SwingUtilities.invokeLater(new Runnable() {
public void run() {
if (type.equals("s")){
tab.ta.append("You: "+msg+"\n");
tab.tf.setText("");
}
else {
System.out.println("Client");
cp.ta.append("You: "+msg+"\n");
cp.tf.setText("");
}
}
});
if(msg.equals("End Chat")) {
endChat();
return false;
}
else
return true;
}
catch (Exception ea){
ea.printStackTrace();
System.out.println("7");
return false;
}
}