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From "Chaoyu Tang (JIRA)" <>
Subject [jira] [Commented] (HIVE-4487) Hive does not set explicit permissions on hive.exec.scratchdir
Date Thu, 19 Sep 2013 19:17:53 GMT


Chaoyu Tang commented on HIVE-4487:

[~yhuai] It works in my eclipse. The log tells that it failed in line outStream = fs.create(resFile)
of DDLTask.
Could you debug and check before this line is executed, what permission and owner of the dir
(e.g. /tmp/yhuai/hive_2013-09-19_xxxx/, one level up -local-10000) are? What Hadoop version
you are using?
> Hive does not set explicit permissions on hive.exec.scratchdir
> --------------------------------------------------------------
>                 Key: HIVE-4487
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 0.10.0
>            Reporter: Joey Echeverria
>            Assignee: Chaoyu Tang
>             Fix For: 0.12.0
>         Attachments: HIVE-4487.patch
> The hive.exec.scratchdir defaults to /tmp/hive-$\{\}, but when Hive creates
this directory it doesn't set any explicit permission on it. This means if you have the default
HDFS umask setting of 022, then these directories end up being world readable. These permissions
also get applied to the staging directories and their files, thus leaving inter-stage data
world readable.
> This can cause a potential leak of data especially when operating on a Kerberos enabled
cluster. Hive should probably default these directories to only be readable by the owner.

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