Maven 4 rc6 test - #2086
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venmanyarun merged 6 commits intoAug 14, 2026
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Maven 4 rc6 test#2086
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venmanyarun
marked this pull request as draft
August 13, 2026 08:31
Three changes required to run the integration tests under Maven 4 RC-6: 1. Mark invoker profile activations as optional (? prefix) Maven 4 made requesting a missing profile a hard error (MissingProfilesException). The invoker plugin passes -Ponline-its/-Poffline-its to every IT subprocess, but most IT poms don't declare those profiles. Adding the '?' prefix makes them optional: activated if present, silently skipped if absent. 2. Pin plugin versions in IT setup parent pom Under Maven 4, default plugin bindings resolve the latest release from Central if no version is locked. This caused maven-resources- plugin:4.0.0-beta-1 to be pulled in, which fails with NoSuchMethodError against Maven 4 RC-6's maven-api-services. Pinning maven-resources-plugin:3.5.0, maven-compiler-plugin:3.15.0, maven-install-plugin:3.1.3, and maven-surefire-plugin:3.5.2 in the setup parent propagates stable versions to all 85 IT children. 3. Null-guard MavenProject.getPluginManagement() in DeployMojo Maven 4 returns null from getPluginManagement() when a pom has no <pluginManagement> block (Maven 3 returned an empty object). The mavenWarPluginExists() method called .getPlugins() unconditionally, causing a NullPointerException during the deploy goal.
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PR for testing Maven 4 RC
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