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From "Alan Gates (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-6200) Hive custom SerDe cannot load DLL added by "ADD FILE" command
Date Wed, 26 Mar 2014 20:17:17 GMT

    [ https://issues.apache.org/jira/browse/HIVE-6200?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13948399#comment-13948399
] 

Alan Gates commented on HIVE-6200:
----------------------------------

Build failed with
{code}
[ERROR] COMPILATION ERROR :
[INFO] -------------------------------------------------------------
[ERROR] /grid/0/hortonal/ptest/working_dir/working/apache-github-source/ql/src/java/org/apache/hadoop/hive/ql/session/SessionState.java:[788,9]
cannot find symbol
symbol  : variable FileUtil
location: class org.apache.hadoop.hive.ql.session.SessionState
[INFO] 1 error
[INFO] -------------------------------------------------------------
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] Hive .............................................. SUCCESS [52.644s]
[INFO] Hive Ant Utilities ................................ SUCCESS [8.526s]
[INFO] Hive Shims Common ................................. SUCCESS [18.758s]
[INFO] Hive Shims 0.20 ................................... SUCCESS [20.058s]
[INFO] Hive Shims Secure Common .......................... SUCCESS [4.372s]
[INFO] Hive Shims 0.20S .................................. SUCCESS [1.443s]
[INFO] Hive Shims 0.23 ................................... SUCCESS [48.812s]
[INFO] Hive Shims ........................................ SUCCESS [0.227s]
[INFO] Hive Common ....................................... SUCCESS [2.576s]
[INFO] Hive Serde ........................................ SUCCESS [3.588s]
[INFO] Hive Metastore .................................... SUCCESS [19.850s]
[INFO] Hive Query Language ............................... FAILURE [23.695s]
{code}

> 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, HIVE-6200.2.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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