打开Map/Reduce perspective :
problems opening perspective 'org.apache.hadoop.eclipse.Perspective'
打开 Hadoop Map/Reduce:
Unable to create the selected preference page. org/apache/hadoop/eclipse/preferences/MapReducePreferencePage : Unsupported major.minor version 51.0
jdk版本已经换为1.7了,编译级别也改了
求大神。。。。