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https://issues.apache.org/jira/browse/HIVE-18030?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16259254#comment-16259254
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Adam Szita commented on HIVE-18030:
-----------------------------------
[~xuefuz] I see. I created PIG-5316 to track this on Pig side.
> HCatalog can't be used with Pig on Spark
> ----------------------------------------
>
> Key: HIVE-18030
> URL: https://issues.apache.org/jira/browse/HIVE-18030
> Project: Hive
> Issue Type: Bug
> Components: HCatalog
> Reporter: Adam Szita
> Assignee: Adam Szita
> Attachments: HIVE-18030.0.patch
>
>
> When using Pig on Spark in cluster mode, all queries containing HCatalog
> access are failing:
> {code}
> 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)
> {code}
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