Attached mojos with the @aggregator tag can yield bad results in a multi-module
project
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Key: MNG-2028
URL: http://jira.codehaus.org/browse/MNG-2028
Project: Maven 2
Type: Bug
Components: Plugins and Lifecycle
Versions: 2.0.2
Reporter: John Didion
I am using an attached version of the directory assembly plugin. I also have a
multi-module project that is several levels deep. Here's an overview
myproject
tools
libraries
library1
library2
library3
If I configure the attached directory assembly plugin in library1's POM and
then run maven install from the myproject directory, I get errors about
dependency resolution because the presence of the @aggregator tag causes maven
to try and resolve dependencies for all modules in the entire project. That
means it's trying to resolve dependencies for library3, which is a problem if
library3 depends on library2, which hasn't been built yet.
It makes sense to me that dependency resolution should only happen on the
sub-modules of the POM that configures the aggregator plugin, not all modules
in the project.
If this makes sense then I think the fix would be in
DefaultPluginManager.executeMojo():
if ( mojoDescriptor.isDependencyResolutionRequired() != null )
{
Collection projects;
if ( mojoDescriptor.isAggregator() && project.getModules() != null
&& !project.getModules().isEmpty())
{
List modules = project.getModules();
projects = new ArrayList(modules.size());
for (Iterator itr = modules.iterator(); itr.hasNext();) {
String module = (String) itr.next();
MavenProject moduleProject = // load the project for the
module...don't know exactly how to do this
projects.add(moduleProject);
}
}
...
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