ch : java.nio.channels.SocketChannelconnected本地=/10.0.37.145:49054远程=平台-demo/10.0.37.145:60487;主机详细信息(Client.java:1472) at org.apache.hadoop.ipc.Client.call(Client.java:1399) at org.apache.hadoop.ipc.ProtobufRpcEnginech : java.security.AccessController.doPrivileg