求大神解答dubbo://60.191.124.236:21890/

ERROR 10:16:41,178 AbstractClient:<init> -  [DUBBO] Failed to start NettyClient caedmon-PC/192.168.0.234 connect to the server /60.191.124.236:21890 (check == false, ignore and retry later!), cause: client(url: dubbo://60.191.124.236:21890/com.sendinfo.ebiz3.account.server.UserServer?anyhost=true&application=wuzhen-b2c-provider&check=false&codec=dubbo&default.check=false&default.retries=0&default.timeout=20000&dubbo=2.5.3&heartbeat=60000&interface=com.sendinfo.ebiz3.account.server.UserServer&methods=queryConsumerPointVo,updateAccount,queryConsumer,updateLogin,loginOut,getLogin,regConsumer,getAccount,queryLogin,updateConsumer&pid=6212&side=consumer&timeout=5000&timestamp=1425544252633) failed to connect to server /60.191.124.236:21890 client-side timeout 3000ms (elapsed: 3003ms) from netty client 192.168.0.234 using dubbo version 2.5.3, dubbo version: 2.5.3, current host: 192.168.0.234
com.alibaba.dubbo.remoting.RemotingException: client(url: dubbo://60.191.124.236:21890/com.sendinfo.ebiz3.account.server.UserServer?anyhost=true&application=wuzhen-b2c-provider&check=false&codec=dubbo&default.check=false&default.retries=0&default.timeout=20000&dubbo=2.5.3&heartbeat=60000&interface=com.sendinfo.ebiz3.account.server.UserServer&methods=queryConsumerPointVo,updateAccount,queryConsumer,updateLogin,loginOut,getLogin,regConsumer,getAccount,queryLogin,updateConsumer&pid=6212&side=consumer&timeout=5000&timestamp=1425544252633) failed to connect to server /60.191.124.236:21890 client-side timeout 3000ms (elapsed: 3003ms) from netty client 192.168.0.234 using dubbo version 2.5.3
at com.alibaba.dubbo.remoting.transport.netty.NettyClient.doConnect(NettyClient.java:127)
at com.alibaba.dubbo.remoting.transport.AbstractClient.connect(AbstractClient.java:280)
at com.alibaba.dubbo.remoting.transport.AbstractClient.<init>(AbstractClient.java:103)
at com.alibaba.dubbo.remoting.transport.netty.NettyClient.<init>(NettyClient.java:61)
at com.alibaba.dubbo.remoting.transport.netty.NettyTransporter.connect(NettyTransporter.java:37)
at com.alibaba.dubbo.remoting.Transporter$Adpative.connect(Transporter$Adpative.java)
at com.alibaba.dubbo.remoting.Transporters.connect(Transporters.java:67)
at com.alibaba.dubbo.remoting.exchange.support.header.HeaderExchanger.connect(HeaderExchanger.java:37)
at com.alibaba.dubbo.remoting.exchange.Exchangers.connect(Exchangers.java:102)
at com.alibaba.dubbo.rpc.protocol.dubbo.DubboProtocol.initClient(DubboProtocol.java:378)
at com.alibaba.dubbo.rpc.protocol.dubbo.DubboProtocol.getSharedClient(DubboProtocol.java:344)
at com.alibaba.dubbo.rpc.protocol.dubbo.DubboProtocol.getClients(DubboProtocol.java:321)
at com.alibaba.dubbo.rpc.protocol.dubbo.DubboProtocol.refer(DubboProtocol.java:303)
at com.alibaba.dubbo.rpc.protocol.ProtocolListenerWrapper.refer(ProtocolListenerWrapper.java:65)
at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper.refer(ProtocolFilterWrapper.java:62)
at com.alibaba.dubbo.rpc.Protocol$Adpative.refer(Protocol$Adpative.java)
at com.alibaba.dubbo.registry.integration.RegistryDirectory.toInvokers(RegistryDirectory.java:395)
at com.alibaba.dubbo.registry.integration.RegistryDirectory.refreshInvoker(RegistryDirectory.java:224)
at com.alibaba.dubbo.registry.integration.RegistryDirectory.notify(RegistryDirectory.java:195)
at com.alibaba.dubbo.registry.support.AbstractRegistry.notify(AbstractRegistry.java:449)
at com.alibaba.dubbo.registry.support.FailbackRegistry.doNotify(FailbackRegistry.java:273)
at com.alibaba.dubbo.registry.support.FailbackRegistry.notify(FailbackRegistry.java:259)
at com.alibaba.dubbo.registry.zookeeper.ZookeeperRegistry.access$400(ZookeeperRegistry.java:45)
at com.alibaba.dubbo.registry.zookeeper.ZookeeperRegistry$3.childChanged(ZookeeperRegistry.java:159)
at com.alibaba.dubbo.remoting.zookeeper.zkclient.ZkclientZookeeperClient$2.handleChildChange(ZkclientZookeeperClient.java:82)
at org.I0Itec.zkclient.ZkClient$8.run(ZkClient.java:583)
at org.I0Itec.zkclient.ZkEventThread.run(ZkEventThread.java:71)