java.lang.NullPointerException

Jive Software Open Source | Gaston Dombiak | 1 decade ago
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    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
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    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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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at org.jivesoftware.messenger.handler.IQLastActivityHandler.handleIQ()
    2. org.jivesoftware.messenger
      SocketReader.run
      1. org.jivesoftware.messenger.handler.IQLastActivityHandler.handleIQ(IQLastActivityHandler.java:41)
      2. org.jivesoftware.messenger.handler.IQHandler.process(IQHandler.java:48)
      3. org.jivesoftware.messenger.IQRouter.handle(IQRouter.java:215)
      4. org.jivesoftware.messenger.IQRouter.route(IQRouter.java:75)
      5. org.jivesoftware.messenger.PacketRouter.route(PacketRouter.java:65)
      6. org.jivesoftware.messenger.net.SocketReader.processIQ(SocketReader.java:291)
      7. org.jivesoftware.messenger.net.ClientSocketReader.processIQ(ClientSocketReader.java:44)
      8. org.jivesoftware.messenger.net.SocketReader.readStream(SocketReader.java:236)
      9. org.jivesoftware.messenger.net.SocketReader.run(SocketReader.java:114)
      9 frames
    3. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:595)
      1 frame