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From "Jarek Jarcec Cecho (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (SQOOP-891) Sqoop export from S3 to MySQL fails when S3 is not default filesystem.
Date Mon, 20 May 2013 14:31:18 GMT

     [ https://issues.apache.org/jira/browse/SQOOP-891?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jarek Jarcec Cecho resolved SQOOP-891.
--------------------------------------

       Resolution: Fixed
    Fix Version/s: 1.4.4

Resolved by SQOOP-1033.
                
> Sqoop export from S3 to MySQL fails when S3 is not default filesystem.
> ----------------------------------------------------------------------
>
>                 Key: SQOOP-891
>                 URL: https://issues.apache.org/jira/browse/SQOOP-891
>             Project: Sqoop
>          Issue Type: Bug
>          Components: tools
>    Affects Versions: 1.4.1-incubating
>         Environment: CDH4.1.3 on Amazon EC2
>            Reporter: Jurgen Van Gael
>             Fix For: 1.4.4
>
>
> I recently tried to use sqoop to export a Hive table that lives on S3 into my MySQL server
(sqoop export --options-file config.txt --table _universe --export-dir s3n://key:secret@mybucket/universe
--input-fields-terminated-by '\0001' -m 1 --input-null-string '\\N' --input-null-non-string
'\\N'^C). My Sqoop runs on a CDH4 cluster on EC2. I was getting errors such as the following:
> 13/02/11 17:37:15 ERROR security.UserGroupInformation: PriviledgedActionException as:XXX
(auth:SIMPLE) cause:java.io.FileNotFoundException: File does not exist: /universe/000000_0.snappy
> 13/02/11 17:37:15 ERROR tool.ExportTool: Encountered IOException running export job:
java.io.FileNotFoundException: File does not exist: /universe/000000_0.snappy
> Since the files do exist on S3, I was reminded of getting the same errors when running
Hive queries against this table. The reason Hive was failing back then is because of a bug
in CombineFileInputFormat when using it against a non-default file system. These issues have
since been fixed in Hadoop:
> https://issues.apache.org/jira/browse/MAPREDUCE-1806
> https://issues.apache.org/jira/browse/MAPREDUCE-2704
> I believe Sqoop uses a version of CombineFileInputFormat but as far as I can tell from
the latest sources on GIT hasn't incorporated the above fixes.

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