java中的socket问题
我有以下线程,它接受特定端口处的传入连接:
public class ClientThread implements Runnable {
ServerSocket serverSocket;
Socket clientSocket;
int serverPort = 6500;
private String serverIpAddress = "127.0.0.1";
DataInputStream is;
ObjectOutputStream os=null;
Coordinate coord;
protected BlockingQueue queue = null;
public ClientThread(BlockingQueue queue) {
this.queue = queue;
}
public void run() {
try {
InetSocketAddress serverAddr = new InetSocketAddress(
serverIpAddress, serverPort);
serverSocket = new ServerSocket();
serverSocket.bind(serverAddr);
System.out.println("s-a creat");
} catch (UnknownHostException e) {
System.err.println("Don't know about host");
} catch (IOException e) {
System.err.println("Couldn't get I/O for the connection to host");
}
try {
clientSocket = serverSocket.accept();
System.out.println("S-a conectat clientul de monitorizare!");
os=new ObjectOutputStream(clientSocket.getOutputStream());
try{
while(true){
coord=(Coordinate)queue.take();
System.out.println(coord.getLat()+coord.getLon()+coord.getwId());
os.writeObject(coord);
os.flush();
}
} catch(Exception e) {
e.printStackTrace();
}
} catch (IOException e) {
System.out.println(e);
try {
clientSocket.close();
os.close();
}catch(Exception e1) {
e1.printStackTrace();
}
}
}
}
我尝试发送的对象是以下类的实例:
public class Coordinate implements Serializable{
private final int lon;
private final int lat;
private final int workerId;
public Coordinate(int lat, int lon, int workerId) {
this.lat = lat;
this.lon = lon;
this.workerId=workerId;
}
public int getLon() {
return lon;
}
public int getLat() {
return lat;
}
public int getwId() {
return workerId;
}
}
但是当我启动线程并接受连接时,我收到以下错误:
java.net.SocketException: Software caused connection abort: socket write error
at java.net.SocketOutputStream.socketWrite0(Native Method)
at java.net.SocketOutputStream.socketWrite(Unknown Source)
at java.net.SocketOutputStream.write(Unknown Source)
at java.io.ObjectOutputStream$BlockDataOutputStream.drain(Unknown Source)
at java.io.ObjectOutputStream$BlockDataOutputStream.setBlockDataMode(Unknown
at java.io.ObjectOutputStream.writeNonProxyDesc(Unknown Source)
at java.io.ObjectOutputStream.writeClassDesc(Unknown Source)
at java.io.ObjectOutputStream.writeOrdinaryObject(Unknown Source)
at java.io.ObjectOutputStream.writeObject0(Unknown Source)
at java.io.ObjectOutputStream.writeFatalException(Unknown Source)
at java.io.ObjectOutputStream.writeObject(Unknown Source)
at servers.ClientThread.run(ClientThread.java:55)
at java.lang.Thread.run(Unknown Source)
任何人都知道有什么问题吗?
当其中一个套接字端崩溃时,会出现此错误 java.net.SocketException:软件导致连接中止......在我的情况下是连接到 ClientThread() 的一端,当我尝试在缓冲区中写入时,出现错误。
I have the following thread which accepts for incoming connections at a specific port:
public class ClientThread implements Runnable {
ServerSocket serverSocket;
Socket clientSocket;
int serverPort = 6500;
private String serverIpAddress = "127.0.0.1";
DataInputStream is;
ObjectOutputStream os=null;
Coordinate coord;
protected BlockingQueue queue = null;
public ClientThread(BlockingQueue queue) {
this.queue = queue;
}
public void run() {
try {
InetSocketAddress serverAddr = new InetSocketAddress(
serverIpAddress, serverPort);
serverSocket = new ServerSocket();
serverSocket.bind(serverAddr);
System.out.println("s-a creat");
} catch (UnknownHostException e) {
System.err.println("Don't know about host");
} catch (IOException e) {
System.err.println("Couldn't get I/O for the connection to host");
}
try {
clientSocket = serverSocket.accept();
System.out.println("S-a conectat clientul de monitorizare!");
os=new ObjectOutputStream(clientSocket.getOutputStream());
try{
while(true){
coord=(Coordinate)queue.take();
System.out.println(coord.getLat()+coord.getLon()+coord.getwId());
os.writeObject(coord);
os.flush();
}
} catch(Exception e) {
e.printStackTrace();
}
} catch (IOException e) {
System.out.println(e);
try {
clientSocket.close();
os.close();
}catch(Exception e1) {
e1.printStackTrace();
}
}
}
}
The object I'm trying to send is an instance of the following class:
public class Coordinate implements Serializable{
private final int lon;
private final int lat;
private final int workerId;
public Coordinate(int lat, int lon, int workerId) {
this.lat = lat;
this.lon = lon;
this.workerId=workerId;
}
public int getLon() {
return lon;
}
public int getLat() {
return lat;
}
public int getwId() {
return workerId;
}
}
But when I start the thread and I accept for connection I get the following error:
java.net.SocketException: Software caused connection abort: socket write error
at java.net.SocketOutputStream.socketWrite0(Native Method)
at java.net.SocketOutputStream.socketWrite(Unknown Source)
at java.net.SocketOutputStream.write(Unknown Source)
at java.io.ObjectOutputStream$BlockDataOutputStream.drain(Unknown Source)
at java.io.ObjectOutputStream$BlockDataOutputStream.setBlockDataMode(Unknown
at java.io.ObjectOutputStream.writeNonProxyDesc(Unknown Source)
at java.io.ObjectOutputStream.writeClassDesc(Unknown Source)
at java.io.ObjectOutputStream.writeOrdinaryObject(Unknown Source)
at java.io.ObjectOutputStream.writeObject0(Unknown Source)
at java.io.ObjectOutputStream.writeFatalException(Unknown Source)
at java.io.ObjectOutputStream.writeObject(Unknown Source)
at servers.ClientThread.run(ClientThread.java:55)
at java.lang.Thread.run(Unknown Source)
Anyone anyidea of what is wrong?
This error java.net.SocketException: Software caused connection abort appears when one of the socket end crashes....in my case was the end that connected to ClientThread() and when I was trying to write in the buffer the error appeared.
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您没有放置客户端代码,很难理解客户端可以做什么,但我看到代码的一部分可能存在问题。它是
什么
java.net.SocketException: Software Caused Connection abort: socket write error
含义?这意味着连接已关闭,但您尝试向套接字写入一些数据。但我可能是错的。You did not put the client side code and it is hard to understand what can client to do, but I see one part of code where can be problem. It is
What is
java.net.SocketException: Software caused connection abort: socket write error
meaning? It means that connection was closed BUT you tried to write some data to socket. But I can be wrong.