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From "Arun C Murthy (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-2993) Specify which JAVA_HOME should be set
Date Fri, 11 Apr 2008 15:04:05 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-2993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12587990#action_12587990
] 

Arun C Murthy commented on HADOOP-2993:
---------------------------------------

Jason, I understand where you are coming from.

Would it be more clear if we just had:
{noformat}
Required Software

   1. JavaTM 1.5.x, preferably from Sun, must be installed. 
{noformat}

and then this section (later in quickstart.html) is sufficient:
{noformat}
Download

First, you need to get a Hadoop distribution: download a recent stable release and unpack
it.

Once done, in the distribution edit the file conf/hadoop-env.sh to define at least JAVA_HOME.
{noformat}

Basically I'm proposing we remove the confusing reference from the 'Required Software' section.

Thoughts?


> Specify which JAVA_HOME should be set
> -------------------------------------
>
>                 Key: HADOOP-2993
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2993
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: documentation
>    Affects Versions: site
>         Environment: irrelevant---issue w/ web documentation
>            Reporter: Jason Rennie
>            Assignee: Edward J. Yoon
>         Attachments: 2993.patch
>
>   Original Estimate: 0.08h
>  Remaining Estimate: 0.08h
>
> Quickstart page (http://hadoop.apache.org/core/docs/current/quickstart.html) specifies
that user should set JAVA_HOME under "1." of "Required Software".  But, it does not specify
where this should be set.  My instinct (as would be the instinct of any un*x user) was to
set this in his/her shell/profie/rcfile.  Please specify that this should be specified in
conf/hadoop-env.sh.  Yes, this is clarified later under "Download", but is easy to miss, especially
since the user will think that he/she had already set JAVA_HOME.

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