Włączenie remote debug dla aplikacji Java

It should be passed to JVM:

-Xdebug -agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=*:8000

Maven tests debug:

mvn -Dmaven.surefire.debug="-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=*:8000 -Xnoagent -Djava.compiler=NONE" test

https://doc.nuxeo.com/corg/how-to-debug-a-test-run-with-maven/