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Component is not known to Buckminster [message #1004054] Tue, 22 January 2013 14:04 Go to next message
Christoph Keimel is currently offline Christoph KeimelFriend
Messages: 482
Registered: December 2010
Location: Germany
Senior Member
Hello

while working on a build with buckminster I am now facing an issue that I have no idea on how to resolve. When I invoke the site.p2 action on a feature project, I get the error:
No component named de.emsw.gosa.feature.kompman:eclipse.feature is known to Buckminster
This feature is also not visible in the Component Explorer, but it is visible in the IDE (can be selected as part of a feature or product definition).

This is the site feature:
<feature
      id="de.emsw.gosa.releng"
      label="GO§A Update Site"
      version="1.8.0.qualifier"
      provider-name="EM Software GmbH">

   ... skipped ...

   <includes
         id="org.eclipse.equinox.executable"
         version="0.0.0"/>
   <includes
         id="de.emsw.gosa.feature.kompman.app"
         version="0.0.0"/>
   <includes
         id="de.emsw.gosa.feature.kompman.kompetenz"
         version="0.0.0"/>
   <includes
         id="de.emsw.gosa.feature.kompman"
         version="0.0.0"/>
</feature>


This is the main feature of the application (this is the missing feature!):
<feature
      id="de.emsw.gosa.feature.kompman"
      label="GO§A Kompetenzmanager"
      version="1.8.0.qualifier"
      provider-name="EM Software">

   ... skipped ...

   <requires>
      <import feature="de.emsw.gosa.feature.kompman.app" version="1.8.0.qualifier" match="greaterOrEqual"/>
      <import feature="de.emsw.gosa.feature.kompman.kompetenz" version="1.8.0.qualifier" match="greaterOrEqual"/>
   </requires>
</feature>


The features de.emsw.gosa.feature.kompman.app and de.emsw.gosa.feature.kompman.kompetenz include the plugins.

The strange thing is that it was visible before and "disapeared" after a restart of the IDE. At first I only had the de.emsw.gosa.feature.kompman which included all the plugins. I added the two new features as a requirement in order to build a product which can be updated with p2 following this article: ADT Part 2: More like the EPP
After the change, I could create the repository with site.p2 as expected. Since I restarted the IDE, the feature de.emsw.gosa.feature.kompman is missing.

Any pointers on how to resolve this issue are highly appreciated!

Greetings
Christoph
Re: Component is not known to Buckminster [message #1004132 is a reply to message #1004054] Tue, 22 January 2013 16:19 Go to previous messageGo to next message
Lorenzo Bettini is currently offline Lorenzo BettiniFriend
Messages: 1814
Registered: July 2009
Location: Firenze, Italy
Senior Member
Hi

please take the following with a grain of salt, since I don't know
whether this is your case: I had similar problems and they were due to
something wrong in the feature.xml; for instance, I had this problem
when in my feature.xml I included the same plugin or feature twice and
Buckminster stopped recognizing the feature project as a feature component.

If you right click on the feature project de.emsw.gosa.feature.kompman
and select "Buckminster" => "View CSPEC" are you getting an error or are
you able to see the CSPEC?

In my case, after fixing the feature.xml everything went back to normal.

This symptom also shows up if you modify the feature.xml in question and
press save: upon saving, if the feature.xml has some problems you should
see the "No component named..." in the Buckminster console.

hope this helps
cheers
Lorenzo

On 01/22/2013 03:04 PM, Christoph Keimel wrote:
> Hello
>
> while working on a build with buckminster I am now facing an issue that
> I have no idea on how to resolve. When I invoke the site.p2 action on a
> feature project, I get the error:
> No component named de.emsw.gosa.feature.kompman:eclipse.feature is known
> to Buckminster This feature is also not visible in the Component
> Explorer, but it is visible in the IDE (can be selected as part of a
> feature or product definition).
>
> This is the site feature:
> <feature
> id="de.emsw.gosa.releng"
> label="GO§A Update Site"
> version="1.8.0.qualifier"
> provider-name="EM Software GmbH">
>
> ... skipped ...
>
> <includes
> id="org.eclipse.equinox.executable"
> version="0.0.0"/>
> <includes
> id="de.emsw.gosa.feature.kompman.app"
> version="0.0.0"/>
> <includes
> id="de.emsw.gosa.feature.kompman.kompetenz"
> version="0.0.0"/>
> <includes
> id="de.emsw.gosa.feature.kompman"
> version="0.0.0"/>
> </feature>
>
> This is the main feature of the application (this is the missing feature!):
> <feature
> id="de.emsw.gosa.feature.kompman"
> label="GO§A Kompetenzmanager"
> version="1.8.0.qualifier"
> provider-name="EM Software">
>
> ... skipped ...
>
> <requires>
> <import feature="de.emsw.gosa.feature.kompman.app"
> version="1.8.0.qualifier" match="greaterOrEqual"/>
> <import feature="de.emsw.gosa.feature.kompman.kompetenz"
> version="1.8.0.qualifier" match="greaterOrEqual"/>
> </requires>
> </feature>
>
> The features de.emsw.gosa.feature.kompman.app and
> de.emsw.gosa.feature.kompman.kompetenz include the plugins.
>
> The strange thing is that it was visible before and "disapeared" after a
> restart of the IDE. At first I only had the de.emsw.gosa.feature.kompman
> which included all the plugins. I added the two new features as a
> requirement in order to build a product which can be updated with p2
> following this article:
> http://aniefer.blogspot.de/2009/07/adt-part-2-more-like-epp.html
> After the change, I could create the repository with site.p2 as
> expected. Since I restarted the IDE, the feature
> de.emsw.gosa.feature.kompman is missing.
>
> Any pointers on how to resolve this issue are highly appreciated!
>
> Greetings
> Christoph


--
Lorenzo Bettini, PhD in Computer Science, DI, Univ. Torino
HOME: http://www.lorenzobettini.it


Re: Component is not known to Buckminster [message #1004140 is a reply to message #1004132] Tue, 22 January 2013 16:42 Go to previous message
Christoph Keimel is currently offline Christoph KeimelFriend
Messages: 482
Registered: December 2010
Location: Germany
Senior Member
Hi Lorenzo,

thanks for the tipp! It got me on the right track. It was (almost) as you said Smile. I started going through all the definitions one more time and found the problem. My feature project contained a .product definition which was based on plug-ins and not on features. After I removed this product buckminster recognized the feature again.

Greetings
Christoph
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