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https://issues.apache.org/jira/browse/PIG-3819?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13958289#comment-13958289
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Rohini Palaniswamy commented on PIG-3819:
-----------------------------------------
Daniel found the cause. It was working in our clusters because 0.11 was run
against hadoop 2. This error was introduced with PIG-3069 in 0.12. This patch
basically reverts part of PIG-3069.
+1
> e2e tests containing "perl -e "print $_;" fails on Hadoop 2
> -----------------------------------------------------------
>
> Key: PIG-3819
> URL: https://issues.apache.org/jira/browse/PIG-3819
> Project: Pig
> Issue Type: Bug
> Components: impl
> Reporter: Daniel Dai
> Assignee: Daniel Dai
> Fix For: 0.12.1, 0.13.0
>
> Attachments: PIG-3819-1.patch
>
>
> Before submitting to Hadoop, "$_" will be interpreted and replaced with
> something totally unrelated ($_ means last command executed). The tests runs
> fine under Hadoop 1 though.
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