No executionListeners? Error message was: Exception occurred: class ptolemy.kernel.util.IllegalActionException(The model is not idle, it is initializing in .toplevel.manager) ptolemy.kernel.util.IllegalActionException: The model is not idle, it is initializing in .toplevel.manager at ptolemy.actor.Manager.preinitializeAndResolveTypes(Manager.java:991) at ptolemy.actor.Manager.initialize(Manager.java:710) at ptolemy.actor.Manager.execute(Manager.java:356) at ptolemy.actor.Manager.run(Manager.java:1263) at ptolemy.actor.Manager$PtolemyRunThread.run(Manager.java:1933) Loading class `com.mysql.jdbc.Driver'. This is deprecated. The new driver class is `com.mysql.cj.jdbc.Driver'. The driver is automatically registered via the SPI and manual loading of the driver class is generally unnecessary. Loaded /home/travis/build/icyphy/ptII/vendors/javafx/javafx-sdk-11.0.2/lib/./libprism_es2.so from relative path Failed Graphics Hardware Qualifier check. System GPU doesn't meet the es2 pipe requirement GraphicsPipeline.createPipeline: error initializing pipeline com.sun.prism.es2.ES2Pipeline *** Fallback to Prism SW pipeline Loaded /home/travis/build/icyphy/ptII/vendors/javafx/javafx-sdk-11.0.2/lib/./libprism_sw.so from relative path JavaFX: using com.sun.javafx.tk.quantum.QuantumToolkit Loaded /home/travis/build/icyphy/ptII/vendors/javafx/javafx-sdk-11.0.2/lib/./libglass.so from relative path Loaded /home/travis/build/icyphy/ptII/vendors/javafx/javafx-sdk-11.0.2/lib/./libglassgtk3.so from relative path vsync: true vpipe: false [main] INFO com.github.sarxos.webcam.Webcam - WebcamDefaultDriver capture driver will be used