[HIVE-7799] TRANSFORM failed in transform_ppr1.q[Spark Branch]

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.1.0
• Component/s: Spark
• Labels: Spark-M1
• Assignee: Chengxiang Li
• Reporter: Chengxiang Li
• Created: 20/Aug/14 09:45
• Updated: 29/May/15 02:29
• Resolved: 25/Aug/14 20:39

Description

Here is the exception:

2014-08-20 01:14:36,594 ERROR executor.Executor (Logging.scala:logError(96)) - Exception in task 0.0 in stage 1.0 (TID 0)
java.lang.NullPointerException
        at org.apache.hadoop.hive.ql.exec.spark.HiveKVResultCache.next(HiveKVResultCache.java:113)
        at org.apache.hadoop.hive.ql.exec.spark.HiveBaseFunctionResultList$ResultIterator.next(HiveBaseFunctionResultList.java:124)
        at org.apache.hadoop.hive.ql.exec.spark.HiveBaseFunctionResultList$ResultIterator.next(HiveBaseFunctionResultList.java:82)
        at scala.collection.convert.Wrappers$JIteratorWrapper.next(Wrappers.scala:42)
        at scala.collection.Iterator$class.foreach(Iterator.scala:727)
        at scala.collection.AbstractIterator.foreach(Iterator.scala:1157)
        at org.apache.spark.shuffle.hash.HashShuffleWriter.write(HashShuffleWriter.scala:65)
        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:722)

Basically, the cause is that RowContainer is misused(it's not allowed to write once someone read row from it), i'm trying to figure out whether it's a hive issue or just in hive on spark mode.

Issue Links

• is part of: HIVE-7292 Hive on Spark
• is related to: HIVE-7793 Enable tests on Spark branch (3) [Sparch Branch]
• is related to: HIVE-7873 Re-enable lazy HiveBaseFunctionResultList [Spark Branch]
• links to: https://reviews.apache.org/r/24972/