Here's the result of running .jnlp or .jar file.

8.0-graphics-scrum #743
Feb 19, 2013 11:20:22 AM demo.Main gotoLogin
SEVERE: null
java.lang.NullPointerException
    at com.sun.javafx.fxml.BeanAdapter.coerce(BeanAdapter.java:384)
    at javafx.fxml.FXMLLoader$Element.populateListFromString(FXMLLoader.java:484)
    at javafx.fxml.FXMLLoader$Element.processValue(FXMLLoader.java:346)
    at javafx.fxml.FXMLLoader$Element.processPropertyAttribute(FXMLLoader.java:317)
    at javafx.fxml.FXMLLoader$Element.processInstancePropertyAttributes(FXMLLoader.java:229)
    at javafx.fxml.FXMLLoader$ValueElement.processEndElement(FXMLLoader.java:633)
    at javafx.fxml.FXMLLoader.processEndElement(FXMLLoader.java:2502)
    at javafx.fxml.FXMLLoader.load(FXMLLoader.java:2202)
    at demo.Main.replaceSceneContent(Main.java:94)
    at demo.Main.gotoLogin(Main.java:80)
    at demo.Main.start(Main.java:43)
    at com.sun.javafx.application.LauncherImpl$5.run(LauncherImpl.java:491)
    at com.sun.javafx.application.PlatformImpl$6.run(PlatformImpl.java:260)
    at com.sun.javafx.application.PlatformImpl$5$1.run(PlatformImpl.java:223)
    at com.sun.javafx.application.PlatformImpl$5$1.run(PlatformImpl.java:220)
    at java.security.AccessController.doPrivileged(Native Method)
    at com.sun.javafx.application.PlatformImpl$5.run(PlatformImpl.java:220)