netty客户端连接服务器成功但是服务器没有收到消息

ppgjx

服务器端

[Asm] 纯文本查看 复制代码

package org.example;

import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.*;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.handler.codec.string.StringDecoder;

public class Server {

    public static void main(String[] args) {

        new ServerBootstrap().group(new NioEventLoopGroup()).channel(NioServerSocketChannel.class).
                childHandler(new ChannelInitializer<NioSocketChannel>() {
                    @Override
                    protected void initChannel(NioSocketChannel nioSocketChannel) throws Exception {
                        ChannelPipeline pipeline = nioSocketChannel.pipeline();

                        pipeline.addLast("h1",new ChannelInboundHandlerAdapter() {
                            @Override
                            public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
                                System.out.println("h1");
                                super.channelRead(ctx, msg);
                            }
                        });
                        pipeline.addLast("h2",new ChannelOutboundHandlerAdapter() {

                            @Override
                            public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) throws Exception {
                                System.out.println("h2");
                                super.write(ctx, msg, promise);
                            }
                        });

                    }
                }).bind(8888);
    }
}

客户端

[Asm] 纯文本查看 复制代码

package org.example;

import io.netty.bootstrap.Bootstrap;
import io.netty.channel.*;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.handler.codec.string.StringDecoder;
import io.netty.handler.codec.string.StringEncoder;

import java.net.InetSocketAddress;

public class Client {

    public static void main(String[] args) throws InterruptedException {
        EventLoopGroup group = new NioEventLoopGroup();
        try {
            Bootstrap b = new Bootstrap();
            b.group(group)
                    .channel(NioSocketChannel.class)
                    .handler(new ChannelInitializer<SocketChannel>(){

                        @Override
                        protected void initChannel(SocketChannel ch) throws Exception {

                            ch.pipeline().addLast(new ChannelInboundHandlerAdapter(){

                                @Override
                                public void channelActive(ChannelHandlerContext ctx) throws Exception {
                                    // 当客户端连接服务器后发送消息
                                    ctx.writeAndFlush("Hello Server!");
                                }

                                @Override
                                public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
                                    // 处理服务器发来的消息
                                    System.out.println("Received from server: " + msg);
                                }
                            });
                        }
                    });

            ChannelFuture f = b.connect("127.0.0.1", 8888).sync();
            f.channel().closeFuture().sync();
        } finally {
            group.shutdownGracefully();
        }

    }
}

建立链接能成功 但是客户端那边不会打印h1是怎么回事呢？