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From hailong.yang1115 <hailong.yang1...@gmail.com>
Subject Re: Namenode not starting
Date Thu, 01 Sep 2011 20:00:26 GMT
Hi abhishek,

Have you successfully installed java virtual machine like sun JDK before running Hadoop? Or
maybe you forget to configure the environment variable JAVA_HOME? What is the output of the
command 'java -version'?



* 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, 
*              No.37 XueYuan Road,HaiDian District, 
*              Beijing,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?

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