follow the guid of : https://issues.apache.org/jira/browse/KYLIN-1507, my problem is solved.
In kylin.properties I add kylin.engine.mr.lib-dir. -- View this message in context: http://apache-kylin.74782.x6.nabble.com/NoClassDefFoundError-while-cube-building-tp7736p7741.html Sent from the Apache Kylin mailing list archive at Nabble.com.
