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Xtext build with maven and mixed Xtend/Java projects [message #1715925]

Fri, 27 November 2015 18:37

Ernesto Posse

Messages: 438
Registered: March 2011

Senior Member

I am trying to build a project that includes an Xtext component as well as several plugins that mix Java and Xtend but I have a problem building it (with Maven).

I'm following the instructions from https://eclipse.org/Xtext/documentation/350_continuous_integration.html, but there is a problem.

The instructions say that the releng project's pom.xml must declare the xtend-maven-plugin in 'pluginManagement' instead of 'plugins', and as the comment indicates, this is so that the plugin that executes the workflow runs before Xtend.

The problem is that if I do that, then other non-xtext projects that mix Java and Xtend won't execute the xtend-maven-plugin unless I put it directly under 'plugins' instead of under 'pluginManagement' in the main releng pom.xml.

Is there a way to configure the pom files so that xtend-maven-plugin runs after the workflow but is not ignored by the other builds (as it happens when putting it under 'pluginsManagement')?

Thanks.

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Re: Xtext build with maven and mixed Xtend/Java projects [message #1715926 is a reply to message #1715925]

Fri, 27 November 2015 19:13

Christian Dietrich

Messages: 14665
Registered: July 2009

Senior Member

Hi,

i think there are some missunderstandings or the doc is simply wrong.
if you look at https://github.com/xtext/maven-xtext-example you can see as well, that

<plugin>
<groupId>org.eclipse.xtend</groupId>
<artifactId>xtend-maven-plugin</artifactId>
</plugin>

is in the plugins section of the build as well.
so simply ignore that comment

you may have a look at

https://github.com/cdietrich/xtext-maven-example
or
the project created by the wizard in 2.9

Twitter : @chrdietrich
Blog : https://www.dietrich-it.de

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Re: Xtext build with maven and mixed Xtend/Java projects [message #1715927 is a reply to message #1715926]

Fri, 27 November 2015 19:16

Stefan Oehme

Messages: 159
Registered: April 2010
Location: Kiel

Senior Member

Yeah the reason in the docs doesn't make sense.

It's in plugin management in the parent pom, so that subprojects can opt in/out of using Xtend. Especially since some subprojects don't even contain source code (the parent, the target platform, the repository,...).

The plugin management makes sure that you don't have to repeat the version and the executions.

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Re: Xtext build with maven and mixed Xtend/Java projects [message #1715928 is a reply to message #1715926]

Fri, 27 November 2015 21:01

Ernesto Posse

Messages: 438
Registered: March 2011

Senior Member

Ah! I was missing that bit. It is in your sample project but not in the Xtext webpage.

Thanks.

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