Shaofeng SHI created KYLIN-2654: ----------------------------------- Summary: Kylin failed to build cube at 3rd step on Hadoop 2.6 Key: KYLIN-2654 URL: https://issues.apache.org/jira/browse/KYLIN-2654 Project: Kylin Issue Type: Bug Components: Job Engine Affects Versions: v2.0.0 Reporter: Shaofeng SHI Assignee: Dong Li
>From community user qiumingming: 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: {code} 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) {code} -- This message was sent by Atlassian JIRA (v6.3.15#6346)