package com.baeldung.netty; import io.netty.channel.ChannelHandlerContext; import io.netty.channel.ChannelInboundHandlerAdapter; import java.util.logging.Logger; public class ChannelHandlerA extends ChannelInboundHandlerAdapter { private Logger logger = Logger.getLogger(getClass().getName()); @Override public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception { throw new Exception("Ooops"); } @Override public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception { logger.info("Exception Occurred in ChannelHandler A"); ctx.fireExceptionCaught(cause); } }