[MOBY-l] Multiple Centrals on Same server

Rajasekar Karthik karthik085 at gmail.com
Mon Feb 12 03:55:36 UTC 2007


Mark,

You have been very helpful. Without your help, I couldn't have setup my
local installation. Thank you very much.

On 2/11/07, Mark Wilkinson <markw at illuminae.com> wrote:
>
> Super - sorry for muddying the waters on your first day :-)
>
> Welcome to MOBY!  I hope the rest of your time here is easier than today!
>
> M
>
>
>
> On Sun, 11 Feb 2007 19:46:57 -0800, Rajasekar Karthik
> <karthik085 at gmail.com> wrote:
>
> > Hi Mark,
> >
> > Thanks for making it more clear. I misunderstood from the earlier mail.
> >
> > On 2/11/07, Mark Wilkinson <markw at illuminae.com> wrote:
> >>
> >> Hi Karthik!
> >>
> >> Actually, I didn't express myself clearly.  Running multiple MOBY
> >> Centrals
> >> on the same machine is fine - I know from personal experience that I
> can
> >> run up to three instances on the same server.  It is the CLIENT
> >> libraries
> >> that I am not sure about.  I have never tried "in the real world" to
> use
> >> the Perl client libraries to talk to more than one instance of MOBY at
> >> the
> >> same time.  I wrote them such that they SHOULD be able to do this, but
> I
> >> have never thoroughly tested this functionality, so I am not certain
> >> that
> >> it will work for you.
> >>
> >> I can assure you, however, that running multiple instances of teh
> >> registry
> >> on the same machine in different instances of Apache works just fine
> :-)
> >>
> >> M
> >>
> >>
> >>
> >>
> >> On Sun, 11 Feb 2007 19:35:51 -0800, Rajasekar Karthik
> >> <karthik085 at gmail.com> wrote:
> >>
> >> > Mark,
> >> >
> >> > You are right. I will just setup multiple central on different
> >> machine.
> >> > After I am more comfortable with MOBY, I will try it.
> >> >
> >> > On 2/11/07, Mark Wilkinson <markw at illuminae.com> wrote:
> >> >>
> >> >> As far as I know, nobody has ever tried this, so you are breaking
> new
> >> >> ground (and as someone new to MOBY, that might not be the easiest
> >> thing
> >> >> to
> >> >> do :-) )
> >> >>
> >> >> But the answer to your question is that you can only run one
> instance
> >> of
> >> >> MOBY Central per instance of the Apache server.  You can run
> multiple
> >> >> instances of Apache, each with their own config file, where each
> >> config
> >> >> file points to a different mobycentral.config file.  On the client
> >> side
> >> >> (in Perl, I don't know about Java) you can create an instance of
> >> >> MOBY::Client::Central that connects to two different MOBY Centrals
> by
> >> >> name
> >> >> (you create the name when you assign the URL during creation of the
> >> >> object), and you have to specify the name of the MOBY Central you
> are
> >> >> addressing when you make your MOBY Central call using the "Registry
> >> =>
> >> >> "somename"" parameter.
> >> >>
> >> >> Some MOBY::Client::Central calls don't allow you to address more
> than
> >> >> one
> >> >> registry.  In particular, ones that involve registration of new
> >> objects,
> >> >> service types, or namespaces.  That's because the ontologies are
> >> assumed
> >> >> to be canonical, and can only exist in one place -
> >> >> mobycentral.icapture.ubc.ca - if you create your own registry and
> >> chose
> >> >> to
> >> >> run your own ontologies there is NO guarantee that you will continue
> >> to
> >> >> be
> >> >> interoperable with any other services in the world.
> >> >>
> >> >> Having said that, for other calls (like findService and
> >> registerService)
> >> >> you should be able to run as many registries as you wish.
> >> >>
> >> >> ... caveat emptor... I don't think anyone has EVER tried to do this,
> >> so
> >> >> the code might not work...
> >> >>
> >> >> M
> >> >>
> >> >>
> >> >>
> >> >>
> >> >>
> >> >> On Sun, 11 Feb 2007 19:20:56 -0800, Rajasekar Karthik
> >> >> <karthik085 at gmail.com> wrote:
> >> >>
> >> >> > Hi,
> >> >> >
> >> >> > Is it possible to setup multiple local centrals on a same server?
> >> With
> >> >> > the
> >> >> > databases, there can be multiple ones created. All the executables
> >> >> like
> >> >> > MOBY-Central.PL, OntologyServer.cgi....can be moved into two
> >> >> directories
> >> >> > of
> >> >> > webserver cgi-bin folder. But, what about httpd.conf configuration
> >> >> file
> >> >> > in
> >> >> > apache? How do I modify that?
> >> >> >
> >> >>
> >> >>
> >> >>
> >> >> --
> >> >> Using Opera's revolutionary e-mail client:
> http://www.opera.com/mail/
> >> >>
> >> >
> >> >
> >> >
> >>
> >>
> >>
> >> --
> >> Using Opera's revolutionary e-mail client: http://www.opera.com/mail/
> >>
> >
> >
> >
>
>
>
> --
> Using Opera's revolutionary e-mail client: http://www.opera.com/mail/
>



-- 
Best Regards,
Rajasekar Karthik
karthik085 at gmail.com



More information about the moby-l mailing list