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https://issues.apache.org/jira/browse/PIG-3892?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14011230#comment-14011230
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Cheolsoo Park commented on PIG-3892:
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{quote}
How do you install Hadoop 2? I download Apache tar ball and it does not contain
hadoop-core.jar.
{quote}
[~daijy], hadoop-core.jar does not exist in hadoop2. But the condition {{-z
"$HADOOP_CORE_JAR"}} doesn't hold true when it doesn't exist since
{{$HADOOP_CORE_JAR}} is always not be zero length. I think you should check
whether hadoop-core.jar exists or not instead.
> Pig distribution for hadoop 2
> -----------------------------
>
> Key: PIG-3892
> URL: https://issues.apache.org/jira/browse/PIG-3892
> Project: Pig
> Issue Type: Bug
> Components: build
> Reporter: Daniel Dai
> Assignee: Daniel Dai
> Fix For: 0.13.0
>
> Attachments: PIG-3892-1.patch, PIG-3892-2.patch
>
>
> Currently Pig distribution only bundle pig.jar for Hadoop 1. For Hadoop 2
> users they need to compile again using -Dhadoopversion=23 flag. That is a
> quite confusing process. We need to make Pig work with Hadoop 2 out of box. I
> am thinking two approaches:
> 1. Bundle both pig-h1.jar and pig-h2.jar in distribution, and bin/pig will
> chose the right pig.jar to run
> 2. Make two Pig distributions for Hadoop 1 and Hadoop
> Any opinion?
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