废话不多说，警告日志如下，不知道有哪位遇到过，此异常在服务端抛出(服务器启动第一次运行会有这个警告)，后续运行没问题，找了好久真心不知道哪里错了。
WARN 2015-07-18 22:31:15,272 com.alibaba.dubbo.remoting.transport.dispatcher.ChannelEventRunnable.run(84) [DUBBO] ChannelEventRunnable handle RECEIVED operation error, channel is NettyChannel [channel=[id: 0x2123ba09, /192.168.1.111:56232 :> /192.168.1.111:20880]], message is Request [id=1, version=2.0.0, twoway=true, event=false, broken=false, data=RpcInvocation [methodName=invoke, parameterTypes=[class com.scrcu.ebank.common.service.ServiceRequest], arguments=[com.scrcu.ebank.common.service.ServiceRequest@79c280d8], attachments={id=1, dubbo=2.5.4-SNAPSHOT, input=855, path=com.scrcu.ebank.common.service.IService, interface=com.scrcu.ebank.common.service.IService, group=scrcu_kstrap_0001, async=true, timeout=60000, version=1.0}]], dubbo version: 2.5.4-SNAPSHOT, current host: 127.0.0.1
com.alibaba.dubbo.remoting.RemotingException: Failed to send message Response [id=1, version=2.0.0, status=20, event=false, error=null, result=RpcResult [result=null, exception=null]] to /192.168.1.111:56232, cause: null
at com.alibaba.dubbo.remoting.transport.netty.NettyChannel.send(NettyChannel.java:108)
at com.alibaba.dubbo.remoting.transport.AbstractPeer.send(AbstractPeer.java:51)
at com.alibaba.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.received(HeaderExchangeHandler.java:171)
at com.alibaba.dubbo.remoting.transport.DecodeHandler.received(DecodeHandler.java:52)
at com.alibaba.dubbo.remoting.transport.dispatcher.ChannelEventRunnable.run(ChannelEventRunnable.java:82)
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)
Caused by: 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:632)
at org.jboss.netty.handler.codec.oneone.OneToOneEncoder.handleDownstream(OneToOneEncoder.java:70)
at com.alibaba.dubbo.remoting.transport.netty.NettyHandler.writeRequested(NettyHandler.java:99)
at org.jboss.netty.channel.Channels.write(Channels.java:611)
at org.jboss.netty.channel.Channels.write(Channels.java:578)
at org.jboss.netty.channel.AbstractChannel.write(AbstractChannel.java:251)
at com.alibaba.dubbo.remoting.transport.netty.NettyChannel.send(NettyChannel.java:98)
... 7 more