"InterruptedException" should not be ignored in App.java

InterruptedExceptions should never be ignored in the code, and simply logging the exception counts in this case as "ignoring".
see: https://sonarcloud.io/project/issues?id=cenote_jasperstarter&issues=AWeZYEpc9ZSrbQzII62d&open=AWeZYEpc9ZSrbQzII62d