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https://issues.apache.org/jira/browse/SPARK-21686?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Dongjoon Hyun resolved SPARK-21686.
-----------------------------------
Resolution: Duplicate
> 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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