Detecting duplicate dependencies in Maven

In late March 2020 I ran a quiz on Maven Dependency Resolution which turned out to be an eye opener for some people (including myself!). You can read the whole questionnaire, results, and analysis here. One of the surprising results was found in the very first question, a rather innocuous one but it resulted in a major stumbling block for 2/3 of respondents! Here’s the question What’s surprising is that only 36% people chose the correct answer and a similar percentage chose the “Build error” option because clearly duplicate dependencies ought to cause a build error, right? Wrong! Maven does Read More

Announcing the Gradle Enforcer Plugin

Inspired by the popular Maven Enforcer plugin I’m happy to announce that its Gradle counterpart has been released, say hello to the enforcer-gradle-plugin! The behavior provided by Gradle Enforcer plugin is very similar to what the Maven Enforcer plugin provides, in the sense that rules will be executed during a particular phase of the build; any rule violations result in a build failure. Rules are typically setup to check for preconditions and requirements. The Maven Enforcer plugin provides a set of core rules and extra rules. In turn, the Gradle Enforcer plugin provides a similar set plus a few rules Read More

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