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https://issues.apache.org/jira/browse/MAPREDUCE-5021?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13583693#comment-13583693
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Alejandro Abdelnur commented on MAPREDUCE-5021:
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This is equivalent to how java -classpath supports wildcards, i.e. {{lib/'*'}}
to easily specify all JARs in a directory. Regarding adding a new method, an
alternative would be making the existing addFileToClasspath() to detect if the
provided path is a directory and then do the addition of all JARs under it.
> Add an addDirectoryToClassPath method DistributedCache
> ------------------------------------------------------
>
> Key: MAPREDUCE-5021
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5021
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: client, distributed-cache
> Affects Versions: 2.0.3-alpha
> Reporter: Sandy Ryza
>
> As adding a directory of jars to the class path is a common use for the
> distributed cache it would be easier on API consumers if they were able to
> call a method that would add all the the files in a directory for them.
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