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From "Thejas M Nair (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-6200) Hive custom SerDe cannot load DLL added by "ADD FILE" command
Date Wed, 15 Jan 2014 03:21:20 GMT

    [ https://issues.apache.org/jira/browse/HIVE-6200?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13871584#comment-13871584
] 

Thejas M Nair commented on HIVE-6200:
-------------------------------------

As this seems to be required only on windows, how about adding a check if it is windows before
changing the permission ?


> Hive custom SerDe cannot load DLL added by "ADD FILE" command
> -------------------------------------------------------------
>
>                 Key: HIVE-6200
>                 URL: https://issues.apache.org/jira/browse/HIVE-6200
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Shuaishuai Nie
>            Assignee: Shuaishuai Nie
>         Attachments: HIVE-6200.1.patch
>
>
> When custom SerDe need to load a DLL file added using "ADD FILE" command in HIVE, the
loading fail with exception like "java.lang.UnsatisfiedLinkError:C:\tmp\admin2_6996@headnode0_201401100431_resources\hello.dll:
Access is denied". 
> The reason is when FileSystem creating local copy of the file, the permission of local
file is set to default as "666". DLL file need "execute" permission to be loaded successfully.
> Similar scenario also happens when Hadoop localize files in distributed cache. The solution
in Hadoop is to add "execute" permission to the file after localizationl.



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