调用Dubbo服务报以下错误:RemotingException: message can not send, because channel is closed .

Caused by: com.alibaba.dubbo.remoting.RemotingException: message can not send, because channel is closed . url:dubbo://192.168.1.185:21954/com.tw.ei.business.agent.service.ReqBuinessAgentService?anyhost=true&application=consumer-engine&check=false&codec=dubbo&default.timeout=120000&dubbo=2.4.10&heartbeat=60000&interface=com.tw.ei.business.agent.service.ReqBuinessAgentService&methods=execute&pid=27587&retries=0&revision=reqappservice&side=consumer&timestamp=1399973540550&version=1.0.0
at com.alibaba.dubbo.remoting.transport.AbstractClient.send(AbstractClient.java:268)
at com.alibaba.dubbo.remoting.transport.AbstractPeer.send(AbstractPeer.java:51)
at com.alibaba.dubbo.remoting.exchange.support.header.HeaderExchangeChannel.request(HeaderExchangeChannel.java:112)
at com.alibaba.dubbo.remoting.exchange.support.header.HeaderExchangeClient.request(HeaderExchangeClient.java:91)
at com.alibaba.dubbo.rpc.protocol.dubbo.ReferenceCountExchangeClient.request(ReferenceCountExchangeClient.java:81)
at com.alibaba.dubbo.rpc.protocol.dubbo.DubboInvoker.doInvoke(DubboInvoker.java:96)
at com.alibaba.dubbo.rpc.protocol.AbstractInvoker.invoke(AbstractInvoker.java:144)
at com.alibaba.dubbo.rpc.listener.ListenerInvokerWrapper.invoke(ListenerInvokerWrapper.java:74)
at com.alibaba.dubbo.rpc.protocol.dubbo.filter.FutureFilter.invoke(FutureFilter.java:53)
at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)
at com.alibaba.dubbo.monitor.support.MonitorFilter.invoke(MonitorFilter.java:75)
at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)
at com.alibaba.dubbo.rpc.filter.ConsumerContextFilter.invoke(ConsumerContextFilter.java:48)
at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:91)
at com.alibaba.dubbo.rpc.protocol.InvokerWrapper.invoke(InvokerWrapper.java:53)
at com.alibaba.dubbo.rpc.cluster.support.FailoverClusterInvoker.doInvoke(FailoverClusterInvoker.java:77)
... 10 more

如果代码感觉没问题 看看是不是开启了wifi共享一类的软件 或者是虚拟机什么的 把你的电脑IP给虚拟改变了 影响了dubbo的使用,查看防火墙有没有关掉，防火墙可能将外部链接请求给屏蔽掉了。我就是通过关掉防火墙解决掉该问题的。希望对你有帮助。