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From Henrik Martin <>
Subject Re: Building Groovy with Maven?
Date Tue, 19 May 2015 19:33:20 GMT
Thanks much Keegan and Jason. I think I have enough info to proceed. 
Much appreciated.


On 5/19/15 12:30 PM, Keegan Witt wrote:
> I give this link to everyone that asks this question: 
> Edit mercilessly.
> -Keegan
> On Tue, May 19, 2015 at 3:27 PM, Winnebeck, Jason 
> < 
> <>> wrote:
>     I recommend gmavenplus. I've used GMaven (before it was
>     deprecated), the groovy-eclipse-compiler, and gmavenplus. I'm
>     using gmavenplus for all of my projects now that aren't Gradle.
>     The reason why I didn't like groovy-eclipse-compiler is that I
>     found differences quite often in @CompileStatic code between
>     groovy and groovy-eclipse compiler, and until very recently
>     Intellij compiled with groovy only, so I'd have situations where
>     IntelliJ-compiled code worked and Maven-compiled code didn't or
>     vice-versa. Now this was in the Groovy 2.0/2.1 days when static
>     compilation was very, very rough. The other major issue I had was
>     that groovy-eclipse-compiler lagged significantly behind groovyc
>     because it was a fork, and due to the rough static compilation
>     issues I was upgrading as soon as a 2.1.x came out.
>     If groovy-eclipse-compiler has fixed the freshness issue and is
>     perfectly consistent with groovyc, and now that IntelliJ can use
>     groovy-eclipse-compiler too (and Eclipse of course) so you can
>     compile in IDE same as Maven, then it could be a better sell than
>     gmaven because it doesn't require stubs when compiling groovy and
>     java in the same jar. If your project is all Groovy source, then
>     I'm not sure there is any advantage to one way or the other.
>     Jason
>     -----Original Message-----
>     From: Henrik Martin [
>     <>]
>     Sent: Tuesday, May 19, 2015 3:20 PM
>     To:
>     <>
>     Subject: Building Groovy with Maven?
>     Hi there. I'm working on a product that consists of a mix of Java
>     and Grails 2.X projects, all built with Maven. The Grails code is
>     in the process of being migrated to 3.0 and Maven is getting
>     replaced by Gradle, but that hasn't happened yet. I'm writing some
>     tools in Groovy, and I'm using Gradle to build them. Now I'm in
>     this situation where one of the legacy Java projects needs to use
>     some of the new Groovy utilities. I solved this by having the
>     Bamboo CI server build a "fat jar" of the Groovy code first (using
>     Gradle), and then simply declaring the dependency to the fat jar
>     in the pom.xml file in the Java project.
>     Certainly not ideal, but the Java project is going away in a few
>     months, and as mentioned, Maven is getting replaced by Gradle for
>     the entire project, so this is a short-lived temporary kludge
>     (yeah, right...).
>     Then I thought that maybe I should just keep a pom.xml file in the
>     Groovy project, basically duplicating the dependencies from
>     build.gradle, so that I can build the jar produced by the Groovy
>     project either with Maven or Gradle. Neither of these solutions
>     are desirable, but I can't really think of anything better at the
>     moment.
>     So, if I were to go down the path of trying to build the Groovy
>     project with Maven, it comes down to using either GMaven, or the
>     groovy-eclipse Maven plugin (maybe there are other alternatives
>     too?). While searching for more info, all I come across are some
>     blog posts and stackoverflow articles that are a couple of years
>     old. I guess that means that a lot of shops have migrated to
>     Gradle :-) Anyway, I just wanted to ask if anyone has a good
>     recommendation for either. I don't want to spend a lot of
>     time/effort on this, but I'd like to know which approach would be
>     the least painful in this situation before I do any work on it. It
>     doesn't have to be very future proof. In
>     6 months or so, Maven will be long gone.
>     Apologies in advance if I'm abusing the Groovy Users list for
>     Maven related questions, but since I've seen some discussions
>     related to Maven/GMaven in the past, I thought I might be
>     forgiven. Thanks,
>     -H
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