Add Parameter	namenodeRpcAddress : NamenodeRpcAddressParam in method public getRoot(ugi UserGroupInformation, delegation DelegationParam, namenodeRpcAddress NamenodeRpcAddressParam, op GetOpParam, offset OffsetParam, length LengthParam, bufferSize BufferSizeParam) : Response from class org.apache.hadoop.hdfs.server.datanode.web.resources.DatanodeWebHdfsMethods