hi All:
when I build the cube, it failed in the Build Cube step. And the error logs are as follows, what should I do to solve this error? Error: java.io.IOException: Initialization of all the collectors failed. Error in last collector was :Cannot find serializer for org.apache.kylin.engine.mr.ByteArrayWritable at org.apache.hadoop.mapred.MapTask.createSortingCollector(MapTask.java:414) at org.apache.hadoop.mapred.MapTask.access$100(MapTask.java:81) at org.apache.hadoop.mapred.MapTask$NewOutputCollector.<init>(MapTask.java:698) at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:770) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341) at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:163) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:415) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1784) at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158) Caused by: java.io.IOException: Cannot find serializer for org.apache.kylin.engine.mr.ByteArrayWritable at org.apache.hadoop.mapred.nativetask.NativeMapOutputCollectorDelegator.init(NativeMapOutputCollectorDelegator.java:127) at org.apache.hadoop.mapred.MapTask.createSortingCollector(MapTask.java:402) ... 9 more
