Re: [m2e-dev] m2e and maven-resources-plugin

[Igor Fedorenko <igor@xxxxxxxxxxxxxx>]

EclipseBuildContext is used during full/clean build only, during
incremental build EclipseIncrementalBuildContext is supposed to be used.
You need to find what triggers full/clean build, which unfortunately is
not easy at the moment.

--
Regards,
Igor

On 2013-02-13 3:36 AM, Paul Hardaker wrote:
> Hi there,
>
> I’m hoping you can help me here since I’ve been scratching my head over
> this for a while now!
>
> We are seeing some undesirable behaviour in eclipse as regards our maven
> projects. For no apparent reason our projects often get cleaned and
> re-built, which can be a big time waster.
>
> I’ve been investigating this and think I’ve tracked it down to the m2e
> integration for the maven-resources-plugin. If I debug the resources
> plugin, org.apache.maven.shared.filtering.DefaultMavenResourcesFiltering
> calls the
> org.eclipse.m2e.core.internal.builder.EclipseBuildContext.hasDelta()
> methods – but I see these are hard coded to return true!
>
> I think the upshot of what happens is every time eclipse decides it
> needs to copy maven resources, they get copied to target/classes, which
> then triggers eclipse into a build cycle. This is mentioned here
> http://wiki.eclipse.org/M2E_compatible_maven_plugins “Out-of-sync files
> under target/classes or target/test-classes can also cause unexpected
> JDT "clean" builds”
>
> Are you able to offer any advice regarding this?
>
> Many thanks,
>
> Paul
>
> *Paul Hardaker*
>
> *Software Developer*