[ https://issues.apache.org/jira/browse/HIVE-7624?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Rui Li updated HIVE-7624: ------------------------- Attachment: HIVE-7624.patch > Reduce operator initialization failed when running multiple MR query on spark > ----------------------------------------------------------------------------- > > Key: HIVE-7624 > URL: https://issues.apache.org/jira/browse/HIVE-7624 > Project: Hive > Issue Type: Bug > Components: Spark > Reporter: Rui Li > Assignee: Rui Li > Attachments: HIVE-7624.patch > > > The following error occurs when I try to run a query with multiple reduce > works (M->R->R): > {quote} > 14/08/05 12:17:07 ERROR Executor: Exception in task 0.0 in stage 2.0 (TID 1) > java.lang.RuntimeException: Reduce operator initialization failed > at > org.apache.hadoop.hive.ql.exec.mr.ExecReducer.configure(ExecReducer.java:170) > at > org.apache.hadoop.hive.ql.exec.spark.HiveReduceFunction.call(HiveReduceFunction.java:53) > at > org.apache.hadoop.hive.ql.exec.spark.HiveReduceFunction.call(HiveReduceFunction.java:31) > at > org.apache.spark.api.java.JavaRDDLike$$anonfun$fn$7$1.apply(JavaRDDLike.scala:164) > at > org.apache.spark.api.java.JavaRDDLike$$anonfun$fn$7$1.apply(JavaRDDLike.scala:164) > at org.apache.spark.rdd.RDD$$anonfun$13.apply(RDD.scala:596) > at org.apache.spark.rdd.RDD$$anonfun$13.apply(RDD.scala:596) > at > org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:35) > at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262) > at org.apache.spark.rdd.RDD.iterator(RDD.scala:229) > at > org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:68) > at > org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:41) > at org.apache.spark.scheduler.Task.run(Task.scala:54) > at > org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:199) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > at java.lang.Thread.run(Thread.java:744) > Caused by: java.lang.RuntimeException: cannot find field reducesinkkey0 from > [0:_col0] > at > org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorUtils.getStandardStructFieldRef(ObjectInspectorUtils.java:415) > at > org.apache.hadoop.hive.serde2.objectinspector.StandardStructObjectInspector.getStructFieldRef(StandardStructObjectInspector.java:147) > … > {quote} > I suspect we're applying the reduce function in wrong order. -- This message was sent by Atlassian JIRA (v6.2#6252)