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https://issues.apache.org/jira/browse/MAPREDUCE-4148?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tom White updated MAPREDUCE-4148:
---------------------------------
Attachment: MAPREDUCE-4148.patch
I've reworked the patch to use a service loader, and also to address Daryn's
feedback. There is now a decodeIdentifier() method on Token, which is better
than my original approach. The only thing I didn't change is the use of
ReflectionUtils, since it's a convenient, centralized way to construct an
object, and it handles the exceptions in a uniform way.
(I suspect test-patch will fail due to HADOOP-8354.)
> MapReduce should not have a compile-time dependency on HDFS
> -----------------------------------------------------------
>
> Key: MAPREDUCE-4148
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4148
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Tom White
> Assignee: Tom White
> Attachments: MAPREDUCE-4148.patch, MAPREDUCE-4148.patch,
> MAPREDUCE-4148.patch
>
>
> MapReduce depends on HDFS's DelegationTokenIdentifier (for printing token
> debug information). We should remove this dependency and MapReduce's
> compile-time dependency on HDFS.
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