项目场景：

提示：这里简述项目相关背景：

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问题描述

提示：这里描述项目中遇到的问题：

七月 28, 2023 11:12:49 上午 org.jboss.netty.channel.SimpleChannelHandler
警告: EXCEPTION, please implement cn.com.onlinetool.jt809.jt.RecevieHandler.exceptionCaught() for proper handling.
java.nio.channels.ClosedChannelExceptionat org.jboss.netty.channel.socket.nio.AbstractNioWorker.cleanUpWriteBuffer(AbstractNioWorker.java:433)at org.jboss.netty.channel.socket.nio.AbstractNioWorker.writeFromUserCode(AbstractNioWorker.java:128)at org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink.eventSunk(NioClientSocketPipelineSink.java:84)at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendDownstream(DefaultChannelPipeline.java:779)at org.jboss.netty.channel.SimpleChannelHandler.writeRequested(SimpleChannelHandler.java:292)at org.jboss.netty.channel.SimpleChannelHandler.handleDownstream(SimpleChannelHandler.java:254)at org.jboss.netty.channel.DefaultChannelPipeline.sendDownstream(DefaultChannelPipeline.java:591)at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendDownstream(DefaultChannelPipeline.java:784)at org.jboss.netty.channel.SimpleChannelHandler.writeRequested(SimpleChannelHandler.java:292)at org.jboss.netty.channel.SimpleChannelHandler.handleDownstream(SimpleChannelHandler.java:254)at org.jboss.netty.channel.DefaultChannelPipeline.sendDownstream(DefaultChannelPipeline.java:591)at org.jboss.netty.channel.DefaultChannelPipeline.sendDownstream(DefaultChannelPipeline.java:582)at org.jboss.netty.channel.Channels.write(Channels.java:704)at org.jboss.netty.channel.Channels.write(Channels.java:671)at org.jboss.netty.channel.AbstractChannel.write(AbstractChannel.java:347)at cn.com.onlinetool.jt809.jt.TcpClientDemo.sendMsg2Gov(TcpClientDemo.java:114)at cn.com.onlinetool.jt809.jt.TcpClientDemo.main(TcpClientDemo.java:283)

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原因分析：

提示：这里填写问题的分析：

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解决方案：

提示：这里填写该问题的具体解决方案：

如果报错，先把原来的网络管道socketchannel关闭，重新创建管道并连接服务端，注意不是创建客户端对象而是管道