Remote debug:
-------------

  * start mvn jetty:run w/ environment variable MAVEN_OPTS set to debug mode, ie.:

MAVEN_OPTS="-Xdebug -Xnoagent -Djava.compiler=NONE -Xrunjdwp:transport=dt_socket,address=4000,server=y,suspend=n" mvn jetty:run

  * In Netbeans, do Run → Attach debugger and set breakpoints in the code.