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https://issues.apache.org/jira/browse/MAPREDUCE-2226?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13712145#comment-13712145
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Mass Dosage commented on MAPREDUCE-2226:
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Hey guys, this issue has bitten us too. We're currently getting around it by
using reflection which is far from ideal given that we're having to do it in a
mapper for each item being mapped. I agree with [~tomwhite]'s suggestion to
rename the class. Is all that is missing is taking the original patch and
renaming the class? If [~esammer] isn't going to do it I could have a go.
> TaggedInputSplit should be public
> ---------------------------------
>
> Key: MAPREDUCE-2226
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2226
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Affects Versions: 0.20.1
> Reporter: E. Sammer
> Assignee: E. Sammer
> Attachments: MAPREDUCE-2226.diff
>
>
> Currently it's not possible to get at the original InputSplits when using
> MultipleInputs. This is because TaggedInputSplit (used by
> DelegatingInputFormat used by MultipleInputs) is not public. This means
> things like the following do not work:
> {code}
> public void map(...) {
> FileSplit fis = (FileSplit)((TaggedInputSplit)
> reporter.getInputSplit()).getInputSplit();
> Path p = fis.getPath();
> }
> {code}
> This prevents users from getting at input split specific data.
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