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Date: Tue, 22 Dec 2009 01:32:18 +0000 (UTC)
From: "Namit Jain (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
Subject: [jira] Updated: (HIVE-977) NullPointerException when operating on a
 non-existing partition
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     [ https://issues.apache.org/jira/browse/HIVE-977?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Namit Jain updated HIVE-977:
----------------------------

    Status: Patch Available  (was: Open)

> 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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