java.lang.NullPointerException

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

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Solutions on the web21085

  • via Google Groups by Brian Jenkins, 6 months ago
    Attempt to invoke virtual method 'void io.datafx.controller.flow.context.FlowActionHandler.navigate(java.lang.Class)' on a null object reference
  • Attempt to invoke virtual method 'java.lang.Class java.lang.Object.getClass()' on a null object reference
  • Attempt to invoke virtual method 'com.activeandroid.TableInfo com.activeandroid.ModelInfo.getTableInfo(java.lang.Class)' on a null object reference
  • Stack trace

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

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