java.lang.NullPointerException

GitHub | claudineynascimento | 8 months ago
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  1. 0

    Getting a nullpointer exception when switching displayables in J2ME

    Stack Overflow | 6 years ago | Pallinder
    java.lang.NullPointerException: 0 at javax.microedition.lcdui.Display$ChameleonTunnel.callScreenListener(), bci=46 at com.sun.midp.chameleon.layers.SoftButtonLayer.processCommand(), bci=74 at com.sun.midp.chameleon.layers.SoftButtonLayer.soft1(), bci=37 at com.sun.midp.chameleon.layers.SoftButtonLayer.keyInput(), bci=36 at com.sun.midp.chameleon.CWindow.keyInput(), bci=38 at javax.microedition.lcdui.Display$DisplayEventConsumerImpl.handleKeyEvent(), bci=17 at com.sun.midp.lcdui.DisplayEventListener.process(), bci=277 at com.sun.midp.events.EventQueue.run(), bci=179
  2. 0

    J2ME (Java) - Null Pointer Exception caught in Display Class

    Stack Overflow | 6 years ago | Tom
    java.lang.NullPointerException: 0 at javax.microedition.lcdui.Display$ChameleonTunnel.callScreenListener(), bci=46 at com.sun.midp.chameleon.layers.SoftButtonLayer.processCommand(), bci=74 at com.sun.midp.chameleon.layers.SoftButtonLayer.soft1(), bci=37 at com.sun.midp.chameleon.layers.SoftButtonLayer.keyInput(), bci=36 at com.sun.midp.chameleon.CWindow.keyInput(), bci=38 at javax.microedition.lcdui.Display$DisplayEventConsumerImpl.handleKeyEvent(), bci=17 at com.sun.midp.lcdui.DisplayEventListener.process(), bci=277 at com.sun.midp.events.EventQueue.run(), bci=179
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  4. 0

    Cloud Foundry v2 in Grails

    Stack Overflow | 2 years ago | angelo087
    java.lang.NullPointerException: Cannot invoke method getAt() on null object
  5. 0

    NullPointerException in MIDlet with left soft key

    Stack Overflow | 6 years ago | berry120
    java.lang.NullPointerException: 0 at javax.microedition.lcdui.Display$ChameleonTunnel.callItemListener(), bci=57 at com.sun.midp.chameleon.layers.SoftButtonLayer.processCommand(), bci=57 at com.sun.midp.chameleon.layers.SoftButtonLayer.soft1(), bci=37 at com.sun.midp.chameleon.layers.SoftButtonLayer.keyInput(), bci=36 at com.sun.midp.chameleon.CWindow.keyInput(), bci=38 at javax.microedition.lcdui.Display$DisplayEventConsumerImpl.handleKeyEvent(), bci=17 at com.sun.midp.lcdui.DisplayEventListener.process(), bci=277 at com.sun.midp.events.EventQueue.run(), bci=179

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at io.bitsquare.gui.main.offer.offerbook.OfferBookViewModel.isPaymentAccountValidForOffer()
    2. io.bitsquare.gui
      OfferBookView$12$1.updateItem
      1. io.bitsquare.gui.main.offer.offerbook.OfferBookViewModel.isPaymentAccountValidForOffer(OfferBookViewModel.java:414)
      2. io.bitsquare.gui.main.offer.offerbook.OfferBookViewModel.isAnyPaymentAccountValidForOffer(OfferBookViewModel.java:366)
      3. io.bitsquare.gui.main.offer.offerbook.OfferBookViewModel.isAnyPaymentAccountValidForOffer(OfferBookViewModel.java:361)
      4. io.bitsquare.gui.main.offer.offerbook.OfferBookView$12$1.updateItem(OfferBookView.java:631)
      5. io.bitsquare.gui.main.offer.offerbook.OfferBookView$12$1.updateItem(OfferBookView.java:609)
      5 frames
    3. FXSampler
      BehaviorSkinBase.lambda$registerChangeListener$61
      1. javafx.scene.control.TableCell.updateItem(TableCell.java:663)
      2. javafx.scene.control.TableCell.indexChanged(TableCell.java:468)
      3. javafx.scene.control.IndexedCell.updateIndex(IndexedCell.java:116)
      4. com.sun.javafx.scene.control.skin.TableRowSkinBase.requestCellUpdate(TableRowSkinBase.java:659)
      5. com.sun.javafx.scene.control.skin.TableRowSkinBase.handleControlPropertyChanged(TableRowSkinBase.java:234)
      6. com.sun.javafx.scene.control.skin.TableRowSkin.handleControlPropertyChanged(TableRowSkin.java:70)
      7. com.sun.javafx.scene.control.skin.BehaviorSkinBase.lambda$registerChangeListener$61(BehaviorSkinBase.java:197)
      7 frames
    4. com.sun.javafx
      MultiplePropertyChangeListenerHandler$1.changed
      1. com.sun.javafx.scene.control.MultiplePropertyChangeListenerHandler$1.changed(MultiplePropertyChangeListenerHandler.java:55)
      1 frame
    5. javafx.beans.value
      WeakChangeListener.changed
      1. javafx.beans.value.WeakChangeListener.changed(WeakChangeListener.java:89)
      1 frame
    6. com.sun.javafx
      ExpressionHelper.fireValueChangedEvent
      1. com.sun.javafx.binding.ExpressionHelper$SingleChange.fireValueChangedEvent(ExpressionHelper.java:182)
      2. com.sun.javafx.binding.ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:81)
      2 frames
    7. javafx.beans.property
      IntegerPropertyBase.set
      1. javafx.beans.property.ReadOnlyIntegerWrapper$ReadOnlyPropertyImpl.fireValueChangedEvent(ReadOnlyIntegerWrapper.java:176)
      2. javafx.beans.property.ReadOnlyIntegerWrapper.fireValueChangedEvent(ReadOnlyIntegerWrapper.java:142)
      3. javafx.beans.property.IntegerPropertyBase.markInvalid(IntegerPropertyBase.java:113)
      4. javafx.beans.property.IntegerPropertyBase.set(IntegerPropertyBase.java:147)
      4 frames
    8. FXSampler
      VirtualFlow.layoutChildren
      1. javafx.scene.control.IndexedCell.updateIndex(IndexedCell.java:115)
      2. com.sun.javafx.scene.control.skin.VirtualFlow.setCellIndex(VirtualFlow.java:1957)
      3. com.sun.javafx.scene.control.skin.VirtualFlow.addLeadingCells(VirtualFlow.java:1246)
      4. com.sun.javafx.scene.control.skin.VirtualFlow.layoutChildren(VirtualFlow.java:1194)
      4 frames
    9. javafx.scene
      Scene$ScenePulseListener.pulse
      1. javafx.scene.Parent.layout(Parent.java:1079)
      2. javafx.scene.Parent.layout(Parent.java:1085)
      3. javafx.scene.Parent.layout(Parent.java:1085)
      4. javafx.scene.Parent.layout(Parent.java:1085)
      5. javafx.scene.Parent.layout(Parent.java:1085)
      6. javafx.scene.Parent.layout(Parent.java:1085)
      7. javafx.scene.Parent.layout(Parent.java:1085)
      8. javafx.scene.Parent.layout(Parent.java:1085)
      9. javafx.scene.Parent.layout(Parent.java:1085)
      10. javafx.scene.Scene.doLayoutPass(Scene.java:552)
      11. javafx.scene.Scene$ScenePulseListener.pulse(Scene.java:2397)
      11 frames
    10. com.sun.javafx
      Toolkit.lambda$runPulse$30
      1. com.sun.javafx.tk.Toolkit.lambda$runPulse$30(Toolkit.java:355)
      1 frame
    11. Java RT
      AccessController.doPrivileged
      1. java.security.AccessController.doPrivileged(Native Method)
      1 frame
    12. com.sun.javafx
      QuantumToolkit.lambda$runToolkit$404
      1. com.sun.javafx.tk.Toolkit.runPulse(Toolkit.java:354)
      2. com.sun.javafx.tk.Toolkit.firePulse(Toolkit.java:381)
      3. com.sun.javafx.tk.quantum.QuantumToolkit.pulse(QuantumToolkit.java:510)
      4. com.sun.javafx.tk.quantum.QuantumToolkit.pulse(QuantumToolkit.java:490)
      5. com.sun.javafx.tk.quantum.QuantumToolkit.lambda$runToolkit$404(QuantumToolkit.java:319)
      5 frames
    13. com.sun.glass
      GtkApplication.lambda$null$49
      1. com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)
      2. com.sun.glass.ui.gtk.GtkApplication._runLoop(Native Method)
      3. com.sun.glass.ui.gtk.GtkApplication.lambda$null$49(GtkApplication.java:139)
      3 frames
    14. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:745)
      1 frame