channal经常关闭

你好，我这边运行一段时间后，几小时吧，confi下面配置了9个 instance,然后有些instance下面就报下面的日志了，binlog文件变更也拿不到了，经常遇到这种问题，代码里面，是一直获取数据的状态，没哟关闭channal的操作。

2018-05-16 16:07:37.638 [New I/O server worker #1-7] ERROR c.a.otter.canal.server.netty.handler.SessionHandler - something goes wrong with channel:[id: 0x58f255d8, /192.168.47.232:59420 :> /192.16 8.47.243:11111], exception=java.nio.channels.ClosedChannelException at org.jboss.netty.channel.socket.nio.NioWorker.cleanUpWriteBuffer(NioWorker.java:643) at org.jboss.netty.channel.socket.nio.NioWorker.writeFromUserCode(NioWorker.java:370) at org.jboss.netty.channel.socket.nio.NioServerSocketPipelineSink.handleAcceptedSocket(NioServerSocketPipelineSink.java:137) at org.jboss.netty.channel.socket.nio.NioServerSocketPipelineSink.eventSunk(NioServerSocketPipelineSink.java:76) at org.jboss.netty.channel.Channels.write(Channels.java:611) at org.jboss.netty.channel.Channels.write(Channels.java:578) at com.alibaba.otter.canal.server.netty.NettyUtils.write(NettyUtils.java:28) at com.alibaba.otter.canal.server.netty.handler.SessionHandler.messageReceived(SessionHandler.java:144) at org.jboss.netty.handler.timeout.IdleStateAwareChannelHandler.handleUpstream(IdleStateAwareChannelHandler.java:48) at org.jboss.netty.handler.timeout.IdleStateHandler.messageReceived(IdleStateHandler.java:275) at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:302) at org.jboss.netty.handler.codec.replay.ReplayingDecoder.unfoldAndFireMessageReceived(ReplayingDecoder.java:525) at org.jboss.netty.handler.codec.replay.ReplayingDecoder.callDecode(ReplayingDecoder.java:506) at org.jboss.netty.handler.codec.replay.ReplayingDecoder.cleanup(ReplayingDecoder.java:541) at org.jboss.netty.handler.codec.replay.ReplayingDecoder.channelDisconnected(ReplayingDecoder.java:449) at org.jboss.netty.channel.Channels.fireChannelDisconnected(Channels.java:360) at org.jboss.netty.channel.socket.nio.NioWorker.close(NioWorker.java:593) at org.jboss.netty.channel.socket.nio.NioServerSocketPipelineSink.handleAcceptedSocket(NioServerSocketPipelineSink.java:119) at org.jboss.netty.channel.socket.nio.NioServerSocketPipelineSink.eventSunk(NioServerSocketPipelineSink.java:76) at org.jboss.netty.channel.Channels.close(Channels.java:720) at org.jboss.netty.channel.AbstractChannel.close(AbstractChannel.java:200) at org.jboss.netty.channel.ChannelFutureListener$1.operationComplete(ChannelFutureListener.java:46) at org.jboss.netty.channel.DefaultChannelFuture.notifyListener(DefaultChannelFuture.java:381) at org.jboss.netty.channel.DefaultChannelFuture.addListener(DefaultChannelFuture.java:148) at com.alibaba.otter.canal.server.netty.NettyUtils.write(NettyUtils.java:30) at com.alibaba.otter.canal.server.netty.NettyUtils.error(NettyUtils.java:51) at com.alibaba.otter.canal.server.netty.handler.SessionHandler.messageReceived(SessionHandler.java:200) at org.jboss.netty.handler.timeout.IdleStateAwareChannelHandler.handleUpstream(IdleStateAwareChannelHandler.java:48) at org.jboss.netty.handler.timeout.IdleStateHandler.messageReceived(IdleStateHandler.java:275) at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:302) at org.jboss.netty.handler.codec.replay.ReplayingDecoder.unfoldAndFireMessageReceived(ReplayingDecoder.java:525) at org.jboss.netty.handler.codec.replay.ReplayingDecoder.callDecode(ReplayingDecoder.java:506) at org.jboss.netty.handler.codec.replay.ReplayingDecoder.messageReceived(ReplayingDecoder.java:443) at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:274) at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:261) at org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:349) at org.jboss.netty.channel.socket.nio.NioWorker.processSelectedKeys(NioWorker.java:280) at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:200) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at java.lang.Thread.run(Thread.java:722)

原提问者GitHub用户fenggaopan