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https://issues.apache.org/jira/browse/HIVE-12616?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15046645#comment-15046645
]
Nemon Lou commented on HIVE-12616:
----------------------------------
The following exception is found from excutors' log
{noformat}
2015-12-08 10:55:04,165 | ERROR | [Executor task launch worker-0] | Exception
in task 1.0 in stage 4.0 (TID 5) |
org.apache.spark.Logging$class.logError(Logging.scala:96)
java.lang.RuntimeException: Map operator initialization failed:
org.apache.hadoop.hive.ql.metadata.HiveException:
org.apache.hadoop.hive.ql.metadata.HiveException: java.lang.NullPointerException
at
org.apache.hadoop.hive.ql.exec.spark.SparkMapRecordHandler.init(SparkMapRecordHandler.java:120)
at
org.apache.hadoop.hive.ql.exec.spark.HiveMapFunction.call(HiveMapFunction.java:55)
at
org.apache.hadoop.hive.ql.exec.spark.HiveMapFunction.call(HiveMapFunction.java:30)
at
org.apache.spark.api.java.JavaRDDLike$$anonfun$fn$7$1.apply(JavaRDDLike.scala:189)
at
org.apache.spark.api.java.JavaRDDLike$$anonfun$fn$7$1.apply(JavaRDDLike.scala:189)
at
org.apache.spark.rdd.RDD$$anonfun$mapPartitions$1$$anonfun$apply$17.apply(RDD.scala:710)
at
org.apache.spark.rdd.RDD$$anonfun$mapPartitions$1$$anonfun$apply$17.apply(RDD.scala:710)
at
org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:300)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:264)
at org.apache.spark.rdd.UnionRDD.compute(UnionRDD.scala:87)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:300)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:264)
at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:66)
at org.apache.spark.scheduler.Task.run(Task.scala:88)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:214)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.hadoop.hive.ql.metadata.HiveException:
org.apache.hadoop.hive.ql.metadata.HiveException: java.lang.NullPointerException
at
org.apache.hadoop.hive.ql.exec.mr.ObjectCache.retrieve(ObjectCache.java:57)
at
org.apache.hadoop.hive.ql.exec.mr.ObjectCache.retrieveAsync(ObjectCache.java:63)
at
org.apache.hadoop.hive.ql.exec.MapJoinOperator.initializeOp(MapJoinOperator.java:171)
at
org.apache.hadoop.hive.ql.exec.vector.mapjoin.VectorMapJoinCommonOperator.initializeOp(VectorMapJoinCommonOperator.java:552)
at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:363)
at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:482)
at
org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:439)
at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:376)
at
org.apache.hadoop.hive.ql.exec.spark.SparkMapRecordHandler.init(SparkMapRecordHandler.java:111)
... 18 more
Caused by: org.apache.hadoop.hive.ql.metadata.HiveException:
java.lang.NullPointerException
at
org.apache.hadoop.hive.ql.exec.spark.HashTableLoader.load(HashTableLoader.java:150)
at
org.apache.hadoop.hive.ql.exec.MapJoinOperator.loadHashTable(MapJoinOperator.java:289)
at
org.apache.hadoop.hive.ql.exec.MapJoinOperator$1.call(MapJoinOperator.java:177)
at
org.apache.hadoop.hive.ql.exec.MapJoinOperator$1.call(MapJoinOperator.java:173)
at
org.apache.hadoop.hive.ql.exec.mr.ObjectCache.retrieve(ObjectCache.java:55)
... 26 more
Caused by: java.lang.NullPointerException
at
org.apache.hadoop.hive.ql.exec.spark.SparkUtilities.isDedicatedCluster(SparkUtilities.java:121)
at
org.apache.hadoop.hive.ql.exec.spark.HashTableLoader.load(HashTableLoader.java:157)
at
org.apache.hadoop.hive.ql.exec.spark.HashTableLoader.load(HashTableLoader.java:147)
... 30 more
{noformat}
> NullPointerException when spark session is reused to run a mapjoin
> ------------------------------------------------------------------
>
> Key: HIVE-12616
> URL: https://issues.apache.org/jira/browse/HIVE-12616
> Project: Hive
> Issue Type: Bug
> Components: Spark
> Affects Versions: 1.3.0
> Reporter: Nemon Lou
> Assignee: Xuefu Zhang
>
> The way to reproduce:
> {noformat}
> set hive.execution.engine=spark;
> create table if not exists test(id int);
> create table if not exists test1(id int);
> insert into test values(1);
> insert into test1 values(1);
> select max(a.id) from test a ,test1 b
> where a.id = b.id;
> {noformat}
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