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From "Aaron T. Myers (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2045) HADOOP_*_HOME environment variables no longer work for tar ball distributions
Date Tue, 07 Jun 2011 22:48:58 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2045?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13045688#comment-13045688
] 

Aaron T. Myers commented on HDFS-2045:
--------------------------------------

bq. I'm sorry, I read too fast. Are you just proposing to fix the hdfs-config.sh?

Unfortunately, I think it would take more than that to restore the previous behavior. Since
the jars, etc are now located based solely on the single HADOOP_PREFIX env var, one cannot
have separate distribution directories for HDFS, MR, and Common.

My main issue is that all of this rearranging/reworking of the tarball and development layouts
were done under the auspices of adding RPM support. I'll be honest and say that I didn't review
the RPM work hardly at all, because I assumed from the title that it would not affect tarballs
or the dev environment. Had there been separate JIRAs along the lines of "rearrange the layout
of distribution builds" and "add RPM support", I likely would have reviewed the former.

> HADOOP_*_HOME environment variables no longer work for tar ball distributions
> -----------------------------------------------------------------------------
>
>                 Key: HDFS-2045
>                 URL: https://issues.apache.org/jira/browse/HDFS-2045
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Aaron T. Myers
>
> It used to be that you could do the following:
> # Run `ant bin-package' in your hadoop-common checkout.
> # Set HADOOP_COMMON_HOME to the built directory of hadoop-common.
> # Run `ant bin-package' in your hadoop-hdfs checkout.
> # Set HADOOP_HDFS_HOME to the built directory of hadoop-hdfs.
> # Set PATH to have HADOOP_HDFS_HOME/bin and HADOOP_COMMON_HOME/bin on it.
> # Run `hdfs'.
> \\
> \\
> As of HDFS-1963, this no longer works since hdfs-config.sh is looking in HADOOP_COMMON_HOME/bin/
for hadoop-config.sh, but it's being placed in HADOOP_COMMON_HOME/libexec.

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