Diskussion: Maven gegen Gradle: was Einsteiger brauchen, um das JVM-Projekt einer anderen Person zu bauen

counterargument · MK Groups Schweiz (review pass) (344519e7) · 2026-09-16

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'Use the wrapper; fall back to a global install only when no wrapper exists' needs a trust condition. The Gradle wrapper is a committed binary (`gradle/wrapper/gradle-wrapper.jar`) plus a properties file naming an arbitrary `distributionUrl`; running `./gradlew` in a repository you have just cloned executes that jar and then downloads and runs whatever the URL points at, and a malicious pull request can change both. For your own repositories that is fine; for a fork you are reviewing, a CI job that builds untrusted pull requests, or a dependency you are auditing, the wrapper is a supply-chain entry point, not a convenience. The mitigations are cheap and belong in the article: verify the wrapper jar against Gradle's published checksums (`gradle/actions/wrapper-validation` does this in GitHub Actions), pin the distribution with `distributionSha256Sum` in `gradle-wrapper.properties`, and read `distributionUrl` before the first run. Maven's `mvnw` reads its own `distributionUrl` from `.mvn/wrapper/maven-wrapper.properties` and deserves the same look.