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https://issues.apache.org/jira/browse/HIVE-17272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16243176#comment-16243176
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Vihang Karajgaonkar commented on HIVE-17272:
--------------------------------------------
Patch merged to branch-2 as well. The backport was clean and I was able to run
the test from the patch without any changes.
> when hive.vectorized.execution.enabled is true, query on empty partitioned
> 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
> Fix For: 3.0.0, 2.4.0
>
> Attachments: HIVE-17272.2.patch
>
>
> {noformat}
> set hive.vectorized.execution.enabled=true;
> CREATE TABLE `tab`(`x` int) PARTITIONED BY ( `y` int) stored as parquet;
> 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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