Exception in thread "main" java.io.IOException: 远程主机强迫关闭了一个现有的连接。

    at sun.nio.ch.SocketDispatcher.read0(Native Method)

    at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:)

    at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:)

    at sun.nio.ch.IOUtil.read(IOUtil.java:)

    at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:)

    at com.rb.socket.nio.server.n.NIOServer.handleKey(NIOServer.java:)

    at com.rb.socket.nio.server.n.NIOServer.listen(NIOServer.java:)

    at com.rb.socket.nio.server.n.NIOServer.main(NIOServer.java:)

public void handelerRead(SelectionKey key) throws IOException {

        // 服务器可读取消息:得到事件发生的Socket通道

        SocketChannel channel = (SocketChannel) key.channel();

        // 创建读取的缓冲区

        ByteBuffer buffer = ByteBuffer.allocate();

        int read = channel.read(buffer);

        if (read > ) {

            byte[] data = buffer.array();

            String msg = new String(data).trim();

            System.out.println("服务端收到信息：" + msg);

            // 回写数据， 将消息回送给客户端

            ByteBuffer outBuffer = ByteBuffer.wrap("好的".getBytes());

            channel.write(outBuffer);

        } else {

            System.out.println("客户端关闭");

            key.cancel();

        }

    }