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From "Antonio D'Ettole" <coda...@gmail.com>
Subject Re: HOD on Scyld
Date Tue, 23 Mar 2010 15:09:24 GMT
Make sure you set HOD_CONF_DIR to /path/to/hod/conf
Also make sure that, in the file /path/to/hod/conf/hodrc you set "java-home"
(under both [hod] and [hodring] ) to a working JRE or JDK in your system.

Does that work?

Antonio

On Tue, Mar 23, 2010 at 3:34 PM, Boyu Zhang <boyuzhang35@gmail.com> wrote:

> thanks a lot! I found out the HOD_PYTHON_HOME error too: )
>
> I had a new error after I use the correct version of Python:
>
> ----------------------------------------------------------
> INFO - Cluster Id 62.geronimo.xxx.xxx.xxx.edu
> CRITICAL - Cluster could not be allocated because of the following errors
> on
> the ringmaster host n3.
> Could not retrive the version of Hadoop. Check the Hadoop installation or
> the value of the hodring.java-home variable.
> CRITICAL - Cannot allocate cluster /home/zhang/cluster
>
> -----------------------------------------------------------------------------------------
>
> Is that because I set my java-home wrong? Thanks!
>
> Boyu
>
> On Tue, Mar 23, 2010 at 10:04 AM, Antonio D'Ettole <codazzo@gmail.com
> >wrote:
>
> > Boyu,
> > I've found that only Python 2.5.x works with HOD. Version 2.6.x will give
> > you the exception.
> > You should set HOD_PYTHON_HOME to the path to a 2.5.x executable (not the
> > directory).
> >
> > Antonio
> >
> > On Mon, Mar 22, 2010 at 5:07 PM, Boyu Zhang <boyuzhang35@gmail.com>
> wrote:
> >
> > > Updata: I used the command: $ bin/hod allocate -d /home/zhang/cluster
>  -n
> > 4
> > > -c /home/zhang/hadoop-0.20.2/contrib/hod/conf/hodrc -t
> > > /home/zhang/hadoop-0.20.2.tar.gz -b 4
> > >
> > > and I get the errot:  Using Python: 2.4.3 (#1, Sep  3 2009, 15:37:37)
> > >         [GCC 4.1.2 20080704 (Red Hat 4.1.2-46)]
> > >
> > >          Uncaught Exception : need more than 2 values to unpack
> > >
> > > I have multiple versions of python running on my system, and I set
> > env-vars
> > > in hodrc file to point to the python 2.6.5 version(
> > > HOD_PYTHON_HOME=/opt/python/2.6.5/bin/python
> > > ). Do I need to do anything else, like export the HOD_PYTHON_HOM
> > > environment
> > > variable? Thanks a lot!
> > >
> > >
> > > On Mon, Mar 22, 2010 at 11:52 AM, Boyu Zhang <boyuzhang35@gmail.com>
> > > wrote:
> > >
> > > > Dear All,
> > > >
> > > > I have been trying to get HOD working on a cluster running Scyld. But
> > > there
> > > > are some problems. I configured the minimum configurations.
> > > >
> > > > 1.  I executed the command:
> > > > $ bin/hod allocate -d /home/zhang/cluster  -n 4 -c
> > > > /home/zhang/hadoop-0.20.2/contrib/hod/conf/hodrc -t
> > > > /home/zhang/hadoop-0.20.2.tar.gz
> > > > I get the error: file hod, line 576, finally: Syntax error. So I
> > > commented
> > > > out the line 576, and try again.
> > > >
> > > > 2. #[zhang@geronimo hod]$ bin/hod allocate -d /home/zhang/cluster
>  -n
> > 4
> > > -c
> > > > /home/zhang/hadoop-0.20.2/contrib/hod/conf/hodrc -t
> > > > /home/zhang/hadoop-0.20.2.tar.gz
> > > >           Uncaught Exception : need more than 2 values to unpack
> > > >
> > > > Could anyone tell me why am I having this error? Is the problem the
> > > > operating system, or Torque, or because I commented out line 576, or
> > > > anything else?
> > > >
> > > > Any comment is welcome and appreciated. Thanks a lot!
> > > >
> > > > Sincerely,
> > > >
> > > > Boyu Zhang
> > > >
> > >
> >
>

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