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Build fails at p2.director [message #1750552]

Thu, 22 December 2016 09:17

Eclipse User

So due to having to stick with some eclipse version, I had to install plugins manually by copying them into plugins folder.

After doing that everything works fine and my projects are loaded correctly.

I am using eclipse indigo 3.7.0 64 bit with Xtext 2.9.2

When I run Ant to build my solution it fails at p2.director with this message

[java] [p2.director] Missing requirement: Xtext Generator 2.9.2.v201603040440 (org.eclipse.xtext.generator 2.9.2.v201603040440) requires 'bundle org.eclipse.xtext.xtext.generator [2.9.0,3.0.0)' but it could not be found

I don't know much about p2 but I believe that there is some XML file that I should edit or point to some correct repo or something.

I also am getting this in a step before the build fails:

     [java] [p2.mirror] Unable to satisfy dependency from org.eclipse.xtext.xbase.ui 2.9.2.v201603040440 to bundle org.eclipse.xtext.xbase.ide [2.9.0,3.0.0).
     [java] [p2.mirror] Unable to satisfy dependency from org.eclipse.xtext.generator 2.9.2.v201603040440 to bundle org.eclipse.xtext.xtext.generator [2.9.0,3.0.0).
     [java] [p2.mirror] Messages while mirroring artifact descriptors.

Can you please help me out.

[Updated on: Thu, 22 December 2016 10:50] by Moderator

Re: Build fails at p2.director [message #1750683 is a reply to message #1750552]

Sun, 25 December 2016 03:50

Eclipse User

0 help?

Re: Build fails at p2.director [message #1750686 is a reply to message #1750683]

Sun, 25 December 2016 07:13

Eclipse User

Since you don't give any hint what you are doing inside ant and I don't know many ant pde experts it is hard to give any advice besides there must be a place where the dependencies are collected and you obviously miss a plugin that is new in 2.9 there so I would look for a place where the Deps are Handels

(Or switch to maven tycho)

Re: Build fails at p2.director [message #1750687 is a reply to message #1750686]

Sun, 25 December 2016 07:51

Eclipse User

What do you mean by Deps are Handels?

Re: Build fails at p2.director [message #1750689 is a reply to message #1750687]

Sun, 25 December 2016 10:47

Eclipse User

I mean: what do you do in your ant files?

Re: Build fails at p2.director [message #1750690 is a reply to message #1750689]

Sun, 25 December 2016 10:49

Eclipse User

And I meant "handled"

Re: Build fails at p2.director [message #1750693 is a reply to message #1750690]

Sun, 25 December 2016 11:48

Eclipse User

Well apparently it was a dependency issue and it happened because of my need to use an older version of eclipse with newer version of Xtext.

What I did was copying the plugins straight into the plugins folder of eclipse which is not recommended by p2 people and completely discouraged. Check this http://www.slideshare.net/PascalRapicault/dos-and-do-nots-about-p2

What I had to do to fix this problem was to again MANUALLY edit the artifacts.xml found in eclipse's root folder and add the entries for missing plugins that I found in the logs such as:

<artifact classifier='osgi.bundle' id='org.eclipse.xtext.xtext.generator' version='2.9.2.v201603040440'>
      <properties size='1'>
        <property name='download.size' value='1623614'/>
      </properties>
    </artifact>

Build now completes successfully.

This is to help anyone who faces the same problem.

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