RE: Embedding Merlin in Main method

Hi Stephen,

Thanks for your answer. It helped me to fix the issue
that I had. Thanks again.

regards,
Subbu

--- Stephen McConnell <[email protected]> wrote:

> 
> Subbu:
> 
> Looking though your embeddor code you are basically
> setting up an empty
> kernel.  In particular, on the following lines you
> are creating the
> default kernel factory criteria and using this
> without qualification to
> construct the kernel.
> 
>   criteria = factory.createDefaultCriteria();
>   m_kernel = factory.create( criteria );
> 
> The difference between the above the cli example is
> that the cli example
> qualifies a lot of criteria parameters. The absence
> of any criteria
> modification suggests that you are declaring
> everything within you
> merlin.properties file.  
> 
> However, in your email from the 27th, you have
> included the info trace
> which provides a summary of settings of the kernel
> (derived from the
> criteria supplied to the factory) and they show that
> you have not
> declared any block deployment targets.
> 
> In particular ... 
> 
> >  ${merlin.deployment} ==
> 
> If you compare this to running your example from the
> command line with
> the -info option you will see that the
> 'merlin.deployment' property is
> pointing to something concrete.  You can update you
> merlin.properties
> files with something like:
> 
> merlin.info = true
> merlin.debug = true
> merlin.deployment = tahiti.block
> 
> Or - you can get really adventurous and do this
> programmatically using a
> facility.
> 
> If you have a moment come on over to #merlin on
> irc.freenode.net where a
> bunch of merlin peeps (dev and users) are normally
> connected.
> 
> Cheers, Steve.
> 
> 
> > All the examples that I looked at are executing
> all
> > the components while running Merlin from command
> line,
> > instaed I am looking for an example that executes
> a
> > given component name. In other words, I was not
> able
> > to find an example that triggers an event that
> > executes a component.
> > 
> > I browsed through Merlin website and source code
> and
> > found "Embedding Merlin in a Main method" and an
> > AbstractMerlinTestCase class that has a method
> > resolve. I thought of using this approach to
> execute a
> > given component name.
> > 
> > 
> > For your information, My component
> "/tahiti/simple" is
> > getting executed when I run using the Merlin
> command
> > line , with the same environment that I tried the
> > "Embedding Merlin in a Main method". I have
> attached a
> > file that conatins code snippets which I used for
> > testing.
> > 
> > Is my approach correct or do you have any other
> idea.
> > Could you please help me with this.
> > 
> > regards,
> > Subbu
> > 
> > 
> > --- Stephen McConnell <[email protected]>
> wrote:
> > 
> > >
> > >
> > > From the following we can see that your
> deployment
> > > scenario is
> > > presumable defined within the kernel because
> your
> > > not declaring any
> > > deployment targets.
> > >
> > >
> > > >   ${merlin.kernel} ==
> > > file:/D:/merlin/config/kernel.xml
> > > >   ${merlin.deployment} ==
> > >
> > >
> > > Later on in the trace we can see that your
> > > classloader definition isn't
> > > adding much - in fact it not adding anything in
> the
> > > classpath, and
> > > reasonably there are no component types located.
> > >
> > >
> > > > [DEBUG  ] (classloader): base: ${merlin.dir}
> > > > [DEBUG  ] (classloader): classpath:
> > > > [DEBUG  ] (classloader.types): type install
> count:
> > > 0
> > > > [DEBUG  ] (classloader.types): type
> registration
> > > complete
> > >
> > >
> > > Moving on with what is in effect an empty
> container
> > > ...
> > >
> > > > [DEBUG  ] (kernel): state: initializing
> > > > [DEBUG  ] (kernel): kernel established
> > > > [DEBUG  ] (kernel): state: initialized
> > > > [DEBUG  ] (kernel): install phase
> > > > [DEBUG  ] (kernel): customize phase
> > > > [DEBUG  ] (kernel): startup phase
> > > > [DEBUG  ] (kernel): application assembly
> > > > [DEBUG  ] (kernel): state: assembly
> > > > [DEBUG  ] (): assembly phase
> > > > [DEBUG  ] (kernel): application deployment
> > > > [DEBUG  ] (kernel): state: deployment
> > > > [DEBUG  ] (kernel): state: started
> > > > Calling HelloWorld in Test
> > > > [DEBUG  ] (): Can't find 'tahiti' in model
> > > repository:
> > > > {}
> > > > java.lang.Exception: ---- runtime exception
> report
> > > >
> --------------------------------------------------
> > > > Exception: java.lang.IllegalArgumentException
> > > > Message: Unable to locate a container with
> name
> > > > [tahiti] within the container [[/]].
> > >
> > > Which is a perfectly reasonable situation -
> you're
> > > asking for a
> > > component that does not exist.
> > >
> > > Can we roll back a bit here and provide a
> summary of
> > > what exactly are
> > > you trying to do (sorry if you have already
> provided
> > > this info).  Anyway
> > > - seems to me you may be going about it the
> wrong
> > > way.
> > >
> > > Stephen.
> > >
> > >
> > >
> > >
> >
>
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