[HIVE-18030] HCatalog can't be used with Pig on Spark

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Won't Fix
• Component/s: HCatalog
• Assignee: Ádám Szita
• Reporter: Ádám Szita
• Created: 09/Nov/17 10:06
• Updated: 20/Nov/17 13:52
• Resolved: 20/Nov/17 13:51

Description

When using Pig on Spark in cluster mode, all queries containing HCatalog access are failing:

2017-11-03 12:39:19,268 [dispatcher-event-loop-19] INFO  org.apache.spark.storage.BlockManagerInfo - Added broadcast_6_piece0 in memory on <<host_not_shown>>:<<port_not_shown>> (size: 83.0 KB, free: 408.5 MB)
2017-11-03 12:39:19,277 [task-result-getter-0] WARN  org.apache.spark.scheduler.TaskSetManager - Lost task 0.0 in stage 0.0 (TID 0, <<host_not_shown>>, executor 2): java.lang.NullPointerException
	at org.apache.hadoop.security.Credentials.addAll(Credentials.java:401)
	at org.apache.hadoop.security.Credentials.addAll(Credentials.java:388)
	at org.apache.hive.hcatalog.pig.HCatLoader.setLocation(HCatLoader.java:128)
	at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigInputFormat.mergeSplitSpecificConf(PigInputFormat.java:147)
	at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigInputFormat$RecordReaderFactory.<init>(PigInputFormat.java:115)
	at org.apache.pig.backend.hadoop.executionengine.spark.running.PigInputFormatSpark$SparkRecordReaderFactory.<init>(PigInputFormatSpark.java:126)
	at org.apache.pig.backend.hadoop.executionengine.spark.running.PigInputFormatSpark.createRecordReader(PigInputFormatSpark.java:70)
	at org.apache.spark.rdd.NewHadoopRDD$$anon$1.liftedTree1$1(NewHadoopRDD.scala:180)
	at org.apache.spark.rdd.NewHadoopRDD$$anon$1.<init>(NewHadoopRDD.scala:179)
	at org.apache.spark.rdd.NewHadoopRDD.compute(NewHadoopRDD.scala:134)
	at org.apache.spark.rdd.NewHadoopRDD.compute(NewHadoopRDD.scala:69)
	at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:323)
	at org.apache.spark.rdd.RDD.iterator(RDD.scala:287)
	at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
	at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:323)
	at org.apache.spark.rdd.RDD.iterator(RDD.scala:287)
	at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
	at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:323)
	at org.apache.spark.rdd.RDD.iterator(RDD.scala:287)
	at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
	at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:323)
	at org.apache.spark.rdd.RDD.iterator(RDD.scala:287)
	at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:96)
	at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:53)
	at org.apache.spark.scheduler.Task.run(Task.scala:108)
	at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:338)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)

Issue Links

• is related to: PIG-5316 Initialize mapred.task.id property for PoS jobs