android java.net.BindException: bind failed: EADDRINUSE (Address already in use)

今天遇到一种情况，在手机上发广播包，在4.4.2上的手机会发生，4.1.2和4.0.2都没有遇见，问题是这样的

try{

DatagramSocket udpSocket = new DatagramSocket(DEFAULT_PORT );

} catch (Exception e)

{

e.printStackTrace();

}

//java.net.BindException:
bind failed: EADDRINUSE (Address already in use)

解决方法：

将：udpSocket = new DatagramSocket(DEFAULT_PORT );

改为：

if(udpSocket==null){

udpSocket = new DatagramSocket(null);

udpSocket.setReuseAddress(true);

udpSocket.bind(new InetSocketAddress(DEFAULT_PORT));

}

问题就解决了

时间： 2024-10-08 13:58:11

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