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Date: Wed, 19 Nov 2008 11:48:15 -0800
From: "Alex Loddengaard" <alex@cloudera.com>
To: core-user@hadoop.apache.org
Subject: Re: Hadoop Installation
In-Reply-To: <77f4f8890811191138l512082au8e229ea10dd6af7a@mail.gmail.com>
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References: <77f4f8890811191012u13d0e33buec44e9ed936c73fe@mail.gmail.com>
	 <49245B15.4030203@attributor.com>
	 <77f4f8890811191138l512082au8e229ea10dd6af7a@mail.gmail.com>

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None of your emails have had attachments.  I think this list might strip
them.  Can you copy-paste the error?  Though I think the error won't be
useful.  I'm pretty confident your issue is with Java.  What UNIX are you
using?
Alex

On Wed, Nov 19, 2008 at 11:38 AM, Mithila Nagendra <mnagendr@asu.edu> wrote:

> Hey
> My hadoop version is 0.17.0.. check out the screen shots i ve put in..
>
> Mithila
>
>
> On Wed, Nov 19, 2008 at 9:29 PM, Sagar Naik <snaik@attributor.com> wrote:
>
>> Mithila Nagendra wrote:
>>
>>> Hello
>>> I m currently a student at Arizona State University, Tempe, Arizona,
>>> pursuing my masters in Computer Science. I m currently involved in a
>>> research project that makes use of Hadoop to run various map reduce
>>> functions. Hence I searched the web on whats the best way to install
>>> Hadoop
>>> on different nodes in a cluster, and I stumbled upon your website.
>>>
>>> I used your tutorial on "How to install hadoop on a linux system" by
>>> Michael
>>> Noll to setup Hadoop on a UNIX system. I have a few questions related to
>>> it:
>>>
>>> 1. Does it matter that I m installing hadoop on UNIX and not on LINUX -
>>> do I
>>> have to follow different steps?
>>> 2. The configuration for hadoop-site.xml - does it remain the same no
>>> matter
>>> what platform is being used? Do I just type the same thing out in the
>>> file
>>> hadoop-site.xml present in the hadoop installation on the node?
>>> 3. When I try to start the daemons by executing the command
>>> conf/start-all.sh, I get an exception which says "hadoop: user specified
>>> log
>>> class 'org.apache.commons.logging.impl.Log4JLogger' cannot be found or is
>>> not usable" - this happens when tasktracker is being started. What steps
>>> do
>>> I take to deal with this exception?
>>>
>>>
>>>
>> start-all is in {HADOOP_HOME}/bin/ . What is your hadoop version ?
>>
>>
>>
>>  I could send you the screen shot of the exception if you wish. It would
>>> be
>>> of immense help if you could provide answers for the above questions.
>>>
>>> Thank you! Looking forward to your reply.
>>>
>>> Best Regards
>>> Mithila Nagendra
>>>
>>>
>>>
>>
>>
>

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