 [SOLVED] Cannot install plug-in through the update site I have created using Eclipse [message #1123595] |
Wed, 02 October 2013 18:43  |
 Kivanc Muslu
Messages: 153
Registered: November 2010 |
Senior Member |
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Hi all,
I am trying to deploy an Eclipse feature (consisting of several plug-ins) by creating an update site project and publishing the project on my web page.
I tried installing it back on an empty Eclipse installation for testing, however for some reason it does not work and keeps giving the following error:
Quote:
Cannot complete the install because some dependencies are not satisfiable
com.kivancmuslu.www.solstice.continuous.testing.feature.group [1.0.0.201309302252] cannot be installed in this environment because its filter is not applicable.
The same feature (plug-in group) tests perfectly through Eclipse's internal testing (e.g., when you run the plug-in as an Eclipse project for development testing reasons).
I tried to search the problem online, people suggest that the plug-in might be exported in an architecture that does not comply with the Eclipse installation. However, I am pretty sure that I have not restricted any architectural details while creating the update site or coding the plug-in.
Any pointers on what the problem might be and/or suggestions are highly appreciated.
Best regards,
Edit: Removed the link to the plug-in update site as the issue is solved.
[Updated on: Mon, 14 October 2013 07:39] Report message to a moderator |
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| Re: Cannot install plug-in through the update site I have created using Eclipse [message #1136988 is a reply to message #1123595] |
Mon, 14 October 2013 07:35  |
Kivanc Muslu
Messages: 153
Registered: November 2010 |
Senior Member |
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Hi everyone,
I have solved the problem. I don't know exactly how, however here are some steps that I hope will help other people for solving or debugging similar problems.
First, debugging:
It really helps you to understand the problem better (since the error message does not tell anything about it), if you add plug-in to your feature one-by-one. Your feature will be broken, however if there is a plug-in that has a missing dependency, then you can detect it along the way. Up to some point (the point where you add the problem plug-in), your feature will install correctly through the update site and then it will start failing. This was not the case with my problem.
While debugging, I tried to double check the dependencies that my plug-ins and features require. Along the way, I did:
Break down my feature into two features. It was already like this conceptually. I was quite happy (and frustrated) when I see that my smaller feature installed without any problems 
Double check the dependent plug-ins for each plug-in in my feature. Although I try to be quite careful while adding dependencies, I still found a few inconsistencies during this time. I do not know whether this was the main problem, but in any case, it is a good thing to do.
Finally, I realized that in my main feature, under the "Dependencies" tab, I have not selected "Recompute when feature plug-ins change" and the list of dependencies were empty! I highly believe that this was the main problem, but I do not have a proof. When you say "Compute" here, Eclipse automatically fills the list for you, so I really wonder why this is not a default process.
Hope it helps to other people.
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