1.修改$KETTLE_HOME/plugins/pentaho-big-data-plugin下的plugin.properties
将hadoop配置路径由 active.hadoop.configuration=hadoop-20 改为 active.hadoop.configuration=cdh42
2. 将服务器上hadoop配置文件core-site.xml、hdfs-site.xml、mapred-site.xml 拷贝到$KETTLE_HOME/plugins/pentaho-big-data-plugin/hadoop-configurations /cdh42目录下