hadoop-0.20.2 & hbase-0.90.1 集群启动错误“org.apache.hadoop.ipc.RPC$VersionMismatch: Protocol org.apache.hadoop.hdfs.protocol.ClientP
hadoop-0.20.2&hbase-0.90.1集群启动错误问题解决:问题如下:org.apache.hadoop.ipc.RPC$VersionMismatch:Protocolorg.apache.hadoop.hdfs.protocol.ClientProtocolversionmismatch.(client=42,server=41)atorg.apache.hadoop.ipc.R