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Subject: Re: Namenode not starting
From: abhishek sharma <absharma@usc.edu>
To: common-user@hadoop.apache.org
Cc: common <common-dev@hadoop.apache.org>
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Hi Hailong,

I have installed JDK and set JAVA_HOME correctly (as far as I know).

Output of java -version is:
java version "1.6.0_04"
Java(TM) SE Runtime Environment (build 1.6.0_04-b12)
Java HotSpot(TM) Server VM (build 10.0-b19, mixed mode)

I also have another version installed "1.6.0_27" but get same error with it=
.

Abhishek

On Thu, Sep 1, 2011 at 4:00 PM, hailong.yang1115
<hailong.yang1115@gmail.com> wrote:
> Hi abhishek,
>
> Have you successfully installed java virtual machine like sun JDK before =
running Hadoop? Or maybe you forget to configure the environment variable J=
AVA_HOME? What is the output of the command 'java -version'?
>
> Regards
>
> Hailong
>
>
>
>
> ***********************************************
> * Hailong Yang, PhD. Candidate
> * Sino-German Joint Software Institute,
> * School of Computer Science&Engineering, Beihang University
> * Phone: (86-010)82315908
> * Email: hailong.yang1115@gmail.com
> * Address: G413, New Main Building in Beihang University,
> * =A0 =A0 =A0 =A0 =A0 =A0 =A0No.37 XueYuan Road,HaiDian District,
> * =A0 =A0 =A0 =A0 =A0 =A0 =A0Beijing,P.R.China,100191
> ***********************************************
>
> From: abhishek sharma
> Date: 2011-09-02 03:51
> To: common-user; common-dev
> Subject: Namenode not starting
> Hi all,
>
> I am trying to install Hadoop (release 0.20.203) on a machine with CentOS=
.
>
> When I try to start HDFS, I get the following error.
>
> <machine-name>: Unrecognized option: -jvm
> <machine-name>: Could not create the Java virtual machine.
>
> Any idea what might be the problem?
>
> Thanks,
> Abhishek