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From "Thejas M Nair (JIRA)" <>
Subject [jira] [Commented] (HIVE-5133) webhcat jobs that need to access metastore fails in secure mode
Date Thu, 29 Aug 2013 18:02:53 GMT


Thejas M Nair commented on HIVE-5133:

Thanks for the feedback, I will create a new patch addressing these comments. I also need
to add e2e tests.

Note about the patch - With this change for submitting pig or MR jobs you need to specify
usehcatalog=true as a POST param. (in curl command " -d usehcatalog=true" ). In case of pig
this argument is option, it is sufficient that you have a  arg='-useHCatalog' POST param.
> webhcat jobs that need to access metastore fails in secure mode
> ---------------------------------------------------------------
>                 Key: HIVE-5133
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>          Components: WebHCat
>    Affects Versions: 0.11.0
>            Reporter: Thejas M Nair
>            Assignee: Thejas M Nair
>         Attachments: HIVE-5133.1.patch
> Webhcat job submission requests result in the pig/hive/mr job being run from a map task
that it launches. In secure mode, for the pig/hive/mr job that is run to be authorized to
perform actions on metastore, it has to have the delegation tokens from the hive metastore.
> In case of pig/MR job this is needed if hcatalog is being used in the script/job.

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