java.lang.NullPointerException

GitHub | DanielBoudreau | 9 months ago
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  1. 0

    NPE when starting JMRI

    GitHub | 9 months ago | DanielBoudreau
    java.lang.NullPointerException
  2. 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
  3. 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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  5. 0

    Cloud Foundry v2 in Grails

    Stack Overflow | 3 years ago | angelo087
    java.lang.NullPointerException: Cannot invoke method getAt() on null object
  6. 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 jmri.jmrix.ConnectionConfigManager$ConnectionTypeManager.getConnectionTypes()
    2. jmri.jmrix
      JmrixConfigPane.instance
      1. jmri.jmrix.ConnectionConfigManager$ConnectionTypeManager.getConnectionTypes(ConnectionConfigManager.java:328)
      2. jmri.jmrix.ConnectionConfigManager.getConnectionTypes(ConnectionConfigManager.java:231)
      3. jmri.jmrix.JmrixConfigPane.<init>(JmrixConfigPane.java:214)
      4. jmri.jmrix.JmrixConfigPane.createPanel(JmrixConfigPane.java:88)
      5. jmri.jmrix.JmrixConfigPane.instance(JmrixConfigPane.java:59)
      5 frames
    3. jmri.jmrix.swing
      ConnectionsPreferencesPanel.<init>
      1. jmri.jmrix.swing.ConnectionsPreferencesPanel.<init>(ConnectionsPreferencesPanel.java:72)
      2. jmri.jmrix.swing.ConnectionsPreferencesPanel.<init>(ConnectionsPreferencesPanel.java:85)
      2 frames
    4. Java RT
      Class.newInstance
      1. sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
      2. sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
      3. sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
      4. java.lang.reflect.Constructor.newInstance(Constructor.java:408)
      5. java.lang.Class.newInstance(Class.java:438)
      5 frames
    5. apps.gui3
      TabbedPreferences.init
      1. apps.gui3.TabbedPreferences.init(TabbedPreferences.java:172)
      1 frame
    6. apps
      Apps$3.run
      1. apps.Apps$3.run(Apps.java:379)
      1 frame
    7. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:745)
      1 frame