Actually, I found the reason. I am running HDFS as "root" and there is a bug that has recently been fixed.
https://issues.apache.org/jira/browse/HDFS-1943 Thanks, Abhishek On Thu, Sep 1, 2011 at 6:25 PM, Ravi Prakash <ravihad...@gmail.com> wrote: > Hi Abhishek, > > Try reading through the shell scripts before postiing. They are short and > simple enough and you should be able to debug them quite easily. I've seen > the same error many times. > > Do you see JAVA_HOME set when you $ssh localhost? > > Also which command are you using to start the daemons? > > Fight on, > Ravi > > On Thu, Sep 1, 2011 at 4:35 PM, abhishek sharma <absha...@usc.edu> wrote: > >> 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.yang1...@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 >> JAVA_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.yang1...@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? >> > >> > Thanks, >> > Abhishek >> >
