java.lang.NullPointerException: Attempt to invoke virtual method 'void io.datafx.controller.flow.context.FlowActionHandler.navigate(java.lang.Class)' on a null object reference

Google Groups | Brian Jenkins | 2 years ago
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    FlowActionHandler Exception in JavaFXPorts Application

    Google Groups | 2 years ago | Brian Jenkins
    java.lang.NullPointerException: Attempt to invoke virtual method 'void io.datafx.controller.flow.context.FlowActionHandler.navigate(java.lang.Class)' on a null object reference

    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'void io.datafx.controller.flow.context.FlowActionHandler.navigate(java.lang.Class)' on a null object reference

      at com.nsc.LoginSceneFXMLController.lambda$authenticateUser$1()
    2. com.nsc
      LoginSceneFXMLController$$Lambda$4.handle
      1. com.nsc.LoginSceneFXMLController.lambda$authenticateUser$1(LoginSceneFXMLController.java:102)
      2. com.nsc.LoginSceneFXMLController.access$lambda$1(LoginSceneFXMLController.java)
      3. com.nsc.LoginSceneFXMLController$$Lambda$4.handle(Unknown Source)
      3 frames
    3. com.sun.javafx
      EventUtil.fireEvent
      1. com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:86)
      2. com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)
      3. com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
      4. com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
      5. com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
      6. com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
      7. com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:54)
      7 frames
    4. javafx.event
      Event.fireEvent
      1. javafx.event.Event.fireEvent(Event.java:198)
      1 frame
    5. javafx.concurrent
      Service$$Lambda$1.changed
      1. javafx.concurrent.EventHelper.fireEvent(EventHelper.java:219)
      2. javafx.concurrent.Service.fireEvent(Service.java:853)
      3. javafx.concurrent.Service.lambda$new$471(Service.java:538)
      4. javafx.concurrent.Service$$Lambda$1.changed(Unknown Source)
      4 frames
    6. com.sun.javafx
      ExpressionHelper.fireValueChangedEvent
      1. com.sun.javafx.binding.ExpressionHelper$SingleChange.fireValueChangedEvent(ExpressionHelper.java:182)
      2. com.sun.javafx.binding.ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:81)
      2 frames
    7. javafx.beans.property
      ObjectPropertyBase$Listener.invalidated
      1. javafx.beans.property.ObjectPropertyBase.fireValueChangedEvent(ObjectPropertyBase.java:105)
      2. javafx.beans.property.ObjectPropertyBase.markInvalid(ObjectPropertyBase.java:112)
      3. javafx.beans.property.ObjectPropertyBase.access$000(ObjectPropertyBase.java:51)
      4. javafx.beans.property.ObjectPropertyBase$Listener.invalidated(ObjectPropertyBase.java:233)
      4 frames
    8. com.sun.javafx
      ExpressionHelper.fireValueChangedEvent
      1. com.sun.javafx.binding.ExpressionHelper$SingleInvalidation.fireValueChangedEvent(ExpressionHelper.java:137)
      2. com.sun.javafx.binding.ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:81)
      2 frames
    9. javafx.beans.property
      ObjectPropertyBase.set
      1. javafx.beans.property.ObjectPropertyBase.fireValueChangedEvent(ObjectPropertyBase.java:105)
      2. javafx.beans.property.ObjectPropertyBase.markInvalid(ObjectPropertyBase.java:112)
      3. javafx.beans.property.ObjectPropertyBase.set(ObjectPropertyBase.java:146)
      3 frames
    10. javafx.concurrent
      Task$TaskCallable$$Lambda$3.run
      1. javafx.concurrent.Task.setState(Task.java:696)
      2. javafx.concurrent.Task$TaskCallable.lambda$call$482(Task.java:1453)
      3. javafx.concurrent.Task$TaskCallable$$Lambda$3.run(Unknown Source)
      3 frames
    11. com.sun.javafx
      PlatformImpl$$Lambda$19.run
      1. com.sun.javafx.application.PlatformImpl.lambda$null$155(PlatformImpl.java:295)
      2. com.sun.javafx.application.PlatformImpl$$Lambda$19.run(Unknown Source)
      2 frames
    12. Java RT
      AccessController.doPrivileged
      1. java.security.AccessController.doPrivileged(AccessController.java:52)
      1 frame
    13. com.sun.javafx
      PlatformImpl$$Lambda$6.run
      1. com.sun.javafx.application.PlatformImpl.lambda$runLater$156(PlatformImpl.java:294)
      2. com.sun.javafx.application.PlatformImpl$$Lambda$6.run(Unknown Source)
      2 frames
    14. openjfx-monocle
      RunnableProcessor.run
      1. com.sun.glass.ui.monocle.RunnableProcessor.runLoop(RunnableProcessor.java:92)
      2. com.sun.glass.ui.monocle.RunnableProcessor.run(RunnableProcessor.java:51)
      2 frames
    15. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:818)
      1 frame