Blitz is an easy way to run load tests in applications. I wrote a java API client and a maven plugin to allow java developers to integrate blitz with their deployment cycle. The clients are open source and available in github: here (api client) and here (maven plugin). They are also both available in Maven Central.
You can add the api client in your maven project with this dependency:
Or better yet, add the plugin in your pom.xml like this: