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From "Aihua Xu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-17272) when hive.vectorized.execution.enabled is true, query on empty table fails with NPE
Date Tue, 08 Aug 2017 20:58:00 GMT
Aihua Xu created HIVE-17272:
-------------------------------

             Summary: when hive.vectorized.execution.enabled is true, query on empty table
fails with NPE
                 Key: HIVE-17272
                 URL: https://issues.apache.org/jira/browse/HIVE-17272
             Project: Hive
          Issue Type: Bug
          Components: Query Planning
    Affects Versions: 2.1.1
            Reporter: Aihua Xu
            Assignee: Aihua Xu


{noformat}
set hive.vectorized.execution.enabled=true;
CREATE TABLE `tab`(`x` int) PARTITIONED BY ( `y` int);
select * from tab t1 join tab t2 where t1.x=t2.x;
{noformat}

The query fails with the following exception.
{noformat}
Caused by: java.lang.NullPointerException
        at org.apache.hadoop.hive.ql.exec.vector.VectorMapOperator.createAndInitPartitionContext(VectorMapOperator.java:386)
~[hive-exec-2.3.0.jar:2.3.0]
        at org.apache.hadoop.hive.ql.exec.vector.VectorMapOperator.internalSetChildren(VectorMapOperator.java:559)
~[hive-exec-2.3.0.jar:2.3.0]
        at org.apache.hadoop.hive.ql.exec.vector.VectorMapOperator.setChildren(VectorMapOperator.java:474)
~[hive-exec-2.3.0.jar:2.3.0]
        at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.configure(ExecMapper.java:106) ~[hive-exec-2.3.0.jar:2.3.0]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_101]
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_101]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
~[?:1.8.0_101]
        at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_101]
        at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:106) ~[hadoop-common-2.6.0.jar:?]
        at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:75) ~[hadoop-common-2.6.0.jar:?]
        at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:133) ~[hadoop-common-2.6.0.jar:?]
        at org.apache.hadoop.mapred.MapRunner.configure(MapRunner.java:34) ~[hadoop-core-2.6.0-mr1-cdh5.4.2.jar:?]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_101]
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_101]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
~[?:1.8.0_101]
        at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_101]
        at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:106) ~[hadoop-common-2.6.0.jar:?]
        at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:75) ~[hadoop-common-2.6.0.jar:?]
        at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:133) ~[hadoop-common-2.6.0.jar:?]
        at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:413) ~[hadoop-core-2.6.0-mr1-cdh5.4.2.jar:?]
        at org.apache.hadoop.mapred.MapTask.run(MapTask.java:332) ~[hadoop-core-2.6.0-mr1-cdh5.4.2.jar:?]
        at org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:268)
~[hadoop-core-2.6.0-mr1-cdh5.4.2.jar:?]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_101]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_101]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
~[?:1.8.0_101]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
~[?:1.8.0_101]
        at java.lang.Thread.run(Thread.java:745) ~[?:1.8.0_101]
{noformat}



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