Ok. This is not what is recommended in the definitive guide though. It is very
clear in the optimzing POM section that ${project.version} should be used when
referencing sibling projects.
---
Todd Thiessen
> -----Original Message-----
> From: news [mailto:[email protected]] On Behalf Of Jörg Schaible
> Sent: Thursday, March 05, 2009 1:14 PM
> To: [email protected]
> Subject: RE: RE: Re: release:prepare cannot find artifacts
>
> Hi Todd,
>
> Todd Thiessen wrote at Donnerstag, 5. März 2009 16:21:
>
> >
> >> > Getting back to the issue at hand though, what is the
> proper way in
> >> > Maven to do a build with the release plugin when you have
> >> dependencies
> >> > between modules? Are you supposed to do something with the
> >> dependency
> >> > plugin to ensure that dependencies get properly resolved
> during the
> >> > prepare?
> >>
> >> Use the proper version strings for all artifacts that are
> part of the
> >> multi-project, not properties, and let the release plugin handle
> >> this.
> >
> > Perhaps you are referring to something I am not familiar
> with but I am
> > doing all that. All module projects have the proper
> version. In this
> > case ${project.version}.
> >
> > However, when you have dependencies between modules, the release
> > prepare will fail by default since it doesn't do an
> install. Without
> > an install, one module doesn't have access to the artifacts
> of another.
>
> Exactly, therefore you should not use ${project.version} at
> all, because during release the value is simply wrong.
> However, in this case release plugin cannot adjust the value,
> because it is "hiding".
>
> Working approach is:
>
> Parent POM:
> ===========
> ...
> <groupId>group</groupId>
> <artifactId>parent</artifactId>
> <version>1.0-SNAPSHOT</version>
> ...
> <dependencyManagement>
> <dependencies>
> <dependency>
> <groupId>group</groupId>
> <artifactId>childA</artifactId>
> <version>1.0-SNAPSHOT</version>
> </dependency>
> <dependency>
> <groupId>group</groupId>
> <artifactId>childB</artifactId>
> <version>1.0-SNAPSHOT</version>
> </dependency>
> </dependencies>
> </dependencyManagement>
>
>
> ChildA POM:
> ===========
> <parent>
> <groupId>group</groupId>
> <artifactId>parent</artifactId>
> <version>1.0-SNAPSHOT</version>
> </parent>
> <artifactId>childA</artifactId>
> ...
>
> ChildB POM:
> ===========
> <parent>
> <groupId>group</groupId>
> <artifactId>parent</artifactId>
> <version>1.0-SNAPSHOT</version>
> </parent>
> <artifactId>childB</artifactId>
> ...
> <dependencies>
> <dependency>
> <groupId>group</groupId>
> <artifactId>childA</artifactId>
> <version>1.0-SNAPSHOT</version>
> </dependency>
> </dependencies>
>
>
> All those version strings will automatically adjusted.
>
> - Jörg
>
>
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