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https://issues.apache.org/jira/browse/HIVE-1277?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12849975#action_12849975
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Namit Jain commented on HIVE-1277:
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+1
looks good
> Select query with specific projection(s) fails if the local file system
> directory for ${hive.user.scratchdir} does not exist.
> -----------------------------------------------------------------------------------------------------------------------------
>
> Key: HIVE-1277
> URL: https://issues.apache.org/jira/browse/HIVE-1277
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Query Processor
> Environment: Mac OSX 10.6.2, Java SE 6 (1.6.0_17)
> Reporter: Arvind Prabhakar
> Assignee: Arvind Prabhakar
> Attachments: HIVE-1277.patch, HIVE-1277.patch.svn
>
>
> When a simple select query with specified projections is processed, the
> {{MapRedTask}} attempts to serialize the execution plan to a scratch
> directory on the local file system specified by {{hive.user.scratchdir}}
> configuration property. The default value of this property points to
> {{/tmp/hive-${user.name}}}. On some *nix systems, the /tmp directory gets
> cleaned up on every reboot thus causing the query execution to fail.
> *Exception stacktrace*
> {quote}
> hive> select foo from dummy;
> Total MapReduce jobs = 1
> Launching Job 1 out of 1
> java.io.IOException: No such file or directory
> at java.io.UnixFileSystem.createFileExclusively(Native Method)
> at java.io.File.checkAndCreate(File.java:1704)
> at java.io.File.createTempFile(File.java:1792)
> at org.apache.hadoop.hive.ql.exec.MapRedTask.execute(MapRedTask.java:89)
> ...
> {quote}
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