> set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,address=8000,suspend=n > mvn hpi:run
If you open
http://localhost:8080/jenkins in your browser, you should see the Jenkins page running in Jetty. The
MAVEN_OPTS portion launches this whole thing with the debugger port 8000, so you should be able to start a debug session to this port from your IDE.