If you want Jenkins to report the results of static code analysis tools such as PMD, FindBugs and Checkstyle, you need to install the Warnings Next Generation plugin for Jenkins. In this tutorial, we provide a simple example of how to invoke PMD, FindBugs and Checkstyle in a Maven build and then report the results back on the build page with the help of the Jenkins Warning plugin. If you use static code analysis tools in your Jenkins build, the Warning plugin is what you need.