Ernani Pereira de Mattos Junior created SPARK-21686:
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Summary: spark.sql.hive.convertMetastoreOrc is causing
NullPointerException while reading ORC tables
Key: SPARK-21686
URL: https://issues.apache.org/jira/browse/SPARK-21686
Project: Spark
Issue Type: Bug
Components: Spark Shell
Affects Versions: 1.6.1
Environment: spark_2_4_2_0_258-1.6.1.2.4.2.0-258.el6.noarch
spark_2_4_2_0_258-python-1.6.1.2.4.2.0-258.el6.noarch
spark_2_4_2_0_258-yarn-shuffle-1.6.1.2.4.2.0-258.el6.noarch
RHEL-7 (64-Bit)
JDK 1.8
Reporter: Ernani Pereira de Mattos Junior
The issue is very similar to SPARK-10304;
Spark Query throws a NullPointerException.
>>> sqlContext.sql('select * from core_next.spark_categorization').show(57)
17/06/19 11:26:54 ERROR Executor: Exception in task 2.0 in stage 21.0 (TID 48)
java.lang.NullPointerException
at
org.apache.spark.sql.hive.HiveInspectors$class.unwrapperFor(HiveInspectors.scala:488)
at
org.apache.spark.sql.hive.orc.OrcTableScan.unwrapperFor(OrcRelation.scala:244)
at
org.apache.spark.sql.hive.orc.OrcTableScan$$anonfun$org$apache$spark$sql$hive$orc$OrcTableScan$$fillObject$1$$anonfun$6.apply(OrcRelation.scala:275)
at
org.apache.spark.sql.hive.orc.OrcTableScan$$anonfun$org$apache$spark$sql$hive$orc$OrcTableScan$$fillObject$1$$anonfun$6.apply(OrcRelation.scala:275)
Turn off ORC optimizations and issue was resolved:
"sqlContext.setConf("spark.sql.hive.convertMetastoreOrc", "false")
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