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https://issues.apache.org/jira/browse/HIVE-977?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12793465#action_12793465
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He Yongqiang commented on HIVE-977:
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+1. Will commit if tests pass.
> NullPointerException when operating on a non-existing partition
> ---------------------------------------------------------------
>
> Key: HIVE-977
> URL: https://issues.apache.org/jira/browse/HIVE-977
> Project: Hadoop Hive
> Issue Type: Bug
> Reporter: He Yongqiang
> Assignee: Namit Jain
> Fix For: 0.5.0
>
> Attachments: hive.1.977.patch
>
>
> create table tbl(key int) partitioned by (ds string);
> select .. from tbl where ds='101';
> Total MapReduce jobs = 1
> Number of reduce tasks determined at compile time: 1
> In order to change the average load for a reducer (in bytes):
> set hive.exec.reducers.bytes.per.reducer=<number>
> In order to limit the maximum number of reducers:
> set hive.exec.reducers.max=<number>
> In order to set a constant number of reducers:
> set mapred.reduce.tasks=<number>
> Job Submission failed with exception 'java.lang.NullPointerException(null)'
> FAILED: Execution Error, return code 1 from
> org.apache.hadoop.hive.ql.exec.ExecDriver
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