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From Martin Hoeller <>
Subject Re: Strategies for overriding parent plugin configuration in some modules without duplicating config code?
Date Tue, 21 Feb 2017 07:44:08 GMT

On Mon, 20 Feb 2017 16:32 "KARR, DAVID" <> wrote:

> Although my issue is about configuring the "jacoco-maven-plugin", I
> think it's really more of a pure Maven configuration issue, as I
> don't think this situation is unique to JaCoCo.
> I have a somewhat large multi-module project.  Each of the child
> modules has a parent pom that configures the "jacoco-maven-plugin" to
> do offline instrumentation (at present, all the modules having unit
> tests using PowerMock, which doesn't work with online
> instrumentation).
> I've designed a change that I'll have to make in a few classes in
> each module that will allow the unit tests to use Mockito, and for
> JaCoCo to use online instrumentation.  I'll eventually fix all of
> them to work this way, but it will take a little while.  In the
> meantime, I just want to override the configuration in the "fixed"
> modules with online instrumentation and let the other modules use the
> default of offline instrumentation.
> The simple-minded way to do this is just to define the same
> configuration using online instrumentation in each "fixed" module, so
> it will override the parent pom.  Copying that block to every "fixed"
> module is not a great idea.  I'd like a solution that requires less
> code duplication.

Just two weeks ago Tamás Cservenák pointed out on this list the
configuration-maven-plugin [1]. I haven't used it myself, but it sounds
like this plugin could help you saving some code duplication.

- martin


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