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https://issues.apache.org/jira/browse/MAPREDUCE-6090?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14135542#comment-14135542
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Jason Lowe commented on MAPREDUCE-6090:
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Thanks for the report and patch, Robert! Rather than an explicit static block
that replicates the logic in JobConf, it'd be cleaner if HSAdmin simply reused
that logic by expecting a JobConf rather than a Configuration. The constructor
that takes a conf argument should expect a JobConf, and the main() method could
construct the HSAdmin object with a JobConf rather than relying on ToolRunner
to pass the conf.
> mapred hsadmin getGroups fails to connect in some cases
> -------------------------------------------------------
>
> Key: MAPREDUCE-6090
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6090
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: client
> Affects Versions: 2.5.1
> Reporter: Robert Kanter
> Assignee: Robert Kanter
> Attachments: MAPREDUCE-6090.patch
>
>
> If you do {{mapred hsadmin -getGroups}} it works fine (assuming
> {{mapreduce.jobhistory.admin.address}} is set properly in mapred-site.xml).
> But if you do {{mapred hsadmin -getGroups foo_user}}, it will keep retrying
> to connect to localhost:
> {noformat}
> INFO ipc.Client: Retrying connect to server: 0.0.0.0/0.0.0.0:10033. Already
> tried 0 time(s); retry policy is
> RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000
> MILLISECONDS)
> ...
> {noformat}
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