[PIG-5104] Union_15 e2e test failing on Spark

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: spark-branch
• Component/s: spark
• Assignee: Nándor Kollár
• Reporter: Nándor Kollár
• Created: 13/Jan/17 18:30
• Updated: 21/Jun/17 09:18
• Resolved: 14/Mar/17 22:07

Description

While working on PIG-4891 I noticed that Union_15 e2e test is failing on Spark mode with this exception:

Caused by: java.lang.RuntimeException: org.apache.pig.backend.executionengine.ExecException: ERROR 2078: Caught error from UDF: org.apache.pig.impl.builtin.GFCross [Unable to get parallelism hint from job conf]
at org.apache.pig.backend.hadoop.executionengine.spark.converter.OutputConsumerIterator.readNext(OutputConsumerIterator.java:89)
at org.apache.pig.backend.hadoop.executionengine.spark.converter.OutputConsumerIterator.hasNext(OutputConsumerIterator.java:96)
at scala.collection.convert.Wrappers$JIteratorWrapper.hasNext(Wrappers.scala:42)
at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:369)
at org.apache.spark.shuffle.sort.BypassMergeSortShuffleWriter.write(BypassMergeSortShuffleWriter.java:126)
at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:73)
at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:41)
at org.apache.spark.scheduler.Task.run(Task.scala:89)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:214)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.pig.backend.executionengine.ExecException: ERROR 2078: Caught error from UDF: org.apache.pig.impl.builtin.GFCross [Unable to get parallelism hint from job conf]
at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POUserFunc.getNext(POUserFunc.java:358)
at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POUserFunc.getNextDataBag(POUserFunc.java:374)
at org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.getNext(PhysicalOperator.java:335)
at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.processPlan(POForEach.java:404)
at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.getNextTuple(POForEach.java:321)
at org.apache.pig.backend.hadoop.executionengine.spark.converter.ForEachConverter$ForEachFunction$1$1.getNextResult(ForEachConverter.java:87)
at org.apache.pig.backend.hadoop.executionengine.spark.converter.OutputConsumerIterator.readNext(OutputConsumerIterator.java:69)
... 11 more
Caused by: java.io.IOException: Unable to get parallelism hint from job conf
at org.apache.pig.impl.builtin.GFCross.exec(GFCross.java:66)
at org.apache.pig.impl.builtin.GFCross.exec(GFCross.java:37)
at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POUserFunc.getNext(POUserFunc.java:330)