[maven-4.0.x] Fix ReactorReader to prefer consumer POMs over build POMs (#11107) #11131
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* ReactorReader: prefer consumer POM from project-local repo when resolving POMs When only part of a reactor is built, ReactorReader mirrors artifacts into a project-local repo. If a module depends on another reactor module not in the current session, POM resolution may hit that repo. Today, the main POM path contains the build POM, which can include Maven-4 build-time constructs and be invalid as a repository POM (e.g., missing parent.*). As a result, dependency resolution can fail with fatal model errors. Teach ReactorReader to prefer the consumer POM (classifier=consumer) for POM artifacts when present in the project-local repo, falling back to the main POM otherwise. This avoids consuming a build POM from the project-local repo without changing the repo contents or layout. * Fix ReactorReader to prefer consumer POMs over build POMs When building modules in isolation (outside of the full reactor), the ReactorReader should prefer consumer POMs from the project-local repository over build POMs to avoid invalid POM elements like <parent />. The findModel method now: 1. First checks if the project is in the current reactor session 2. If not found, looks for a consumer POM in the project-local repository 3. Uses the same consumer POM preference logic as findInProjectLocalRepository This eliminates 'invalid POM' warnings when building modules in isolation while maintaining backward compatibility for reactor builds. Fixes apachegh-11084 * Fix (cherry picked from commit 93b85b0)
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mastertomaven-4.0.x:Fixes #11084