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Posted to mapreduce-issues@hadoop.apache.org by "Venkat Ranganathan (JIRA)" <ji...@apache.org> on 2013/05/07 16:11:20 UTC
[jira] [Updated] (MAPREDUCE-5217) DistCp fails when launched by
Oozie in a secure cluster
[ https://issues.apache.org/jira/browse/MAPREDUCE-5217?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Venkat Ranganathan updated MAPREDUCE-5217:
------------------------------------------
Attachment: MAPREDUCE-5217.patch
> DistCp fails when launched by Oozie in a secure cluster
> -------------------------------------------------------
>
> Key: MAPREDUCE-5217
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5217
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: distcp
> Affects Versions: 1.1.2
> Environment: Hadoop secure cluster
> Reporter: Venkat Ranganathan
> Assignee: Venkat Ranganathan
> Attachments: MAPREDUCE-5217.patch
>
>
> As mentioned in MAPREDUCE-4324, Oozie has the following boilerplate code in
> in the main launcher for Pig, Hive, MR and Sqoop actions.
> if (System.getenv("HADOOP_TOKEN_FILE_LOCATION") != null) {
> jobConf.set("mapreduce.job.credentials.binary", System.getenv("HADOOP_TOKEN_FILE_LOCATION"));
> }
> For Java action, which does not have a main launcher in oozie, the above codecan be added by the user as the user purportedly has the code that is launched.
> But for DistCp action, the user has no such luxury. The solution attempted in
> MAPREDUCE-4324 would have helped DistCp, but it was not implemented as it would break MAPREDUCE-3727. So, we have to fix DistCp and
> add the same boilerplate code so that DistCp action can be launched by Oozie
> in a secure cluster.
> The code added checks for an System env. variable to be set which is not
> typically set in normal command line execution of DistCp, DistCp runs fine
> with commnad line usage both in secure and non-secure cluster.
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