hi All:
When I use kylin 2.0 to build cube, I got a error at Extract Fact Table
Distinct Columns step, mr job failed. My Hadoop version is 2.6.0-cdh5.4.4.
Below is my error info:
Error: java.io.IOException: Initialization of all the collectors failed.
Error in last collector was :Cannot find serializer for
org.apache.kylin.engine.mr.steps.SelfDefineSortableKey at
org.apache.hadoop.mapred.MapTask.createSortingCollector(MapTask.java:423) at
org.apache.hadoop.mapred.MapTask.access$100(MapTask.java:82) at
org.apache.hadoop.mapred.MapTask$NewOutputCollector.<init>(MapTask.java:718)
at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:790) at
org.apache.hadoop.mapred.MapTask.run(MapTask.java:350) 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:422) at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1671)
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158) Caused by:
java.io.IOException: Cannot find serializer for
org.apache.kylin.engine.mr.steps.SelfDefineSortableKey at
org.apache.hadoop.mapred.nativetask.NativeMapOutputCollectorDelegator.init(NativeMapOutputCollectorDelegator.java:147)
at org.apache.hadoop.mapred.MapTask.createSortingCollector(MapTask.java:411)
--
View this message in context:
http://apache-kylin.74782.x6.nabble.com/Extract-Fact-Table-Distinct-Columns-Error-tp8112.html
Sent from the Apache Kylin mailing list archive at Nabble.com.
