lizhiboo commented on issue #3545:
URL: https://github.com/apache/rocketmq/issues/3545#issuecomment-981462950
> ```
> NettyRemotingClient.java
> Bootstrap handler =
this.bootstrap.group(this.eventLoopGroupWorker).channel(NioSocketChannel.class)
> .option(ChannelOption.TCP_NODELAY, true)
> .option(ChannelOption.SO_KEEPALIVE, false)
> .option(ChannelOption.CONNECT_TIMEOUT_MILLIS,
nettyClientConfig.getConnectTimeoutMillis())
> .option(ChannelOption.SO_SNDBUF,
nettyClientConfig.getClientSocketSndBufSize())
> .option(ChannelOption.SO_RCVBUF,
nettyClientConfig.getClientSocketRcvBufSize())
> .handler(new ChannelInitializer<SocketChannel>() {
> @Override
> public void initChannel(SocketChannel ch) throws Exception {
> ChannelPipeline pipeline = ch.pipeline();
> if (nettyClientConfig.isUseTLS()) {
> if (null != sslContext) {
> pipeline.addFirst(defaultEventExecutorGroup,
"sslHandler", sslContext.newHandler(ch.alloc()));
> log.info("Prepend SSL handler");
> } else {
> log.warn("Connections are insecure as SSLContext
is null!");
> }
> }
> pipeline.addLast(
> defaultEventExecutorGroup,
> new NettyEncoder(),
> new NettyDecoder(),
> new IdleStateHandler(0, 0,
nettyClientConfig.getClientChannelMaxIdleTimeSeconds()),
> new NettyConnectManageHandler(),
> new NettyClientHandler());
> }
> });
> ```
>
> Bootstrap handler Is it necessary？ because it look like not used this
handler name！
variable handler is not used indeed, but bootstrap is configured after this
running this code.
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