java.lang.NullPointerException

Oracle Community | j23_s | 6 years ago
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    java.lang.NullPointerException
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    Oracle Community | 5 years ago | sapien
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    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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    Stack Overflow | 2 years ago | angelo087
    java.lang.NullPointerException: Cannot invoke method getAt() on null object

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at com.sun.enterprise.v3.services.impl.monitor.MonitorableSSLSelectorHandler.acceptWithoutRegistration()
    2. Kernel Classes
      MonitorableSSLSelectorHandler.acceptWithoutRegistration
      1. com.sun.enterprise.v3.services.impl.monitor.MonitorableSSLSelectorHandler.acceptWithoutRegistration(MonitorableSSLSelectorHandler.java:83)
      1 frame
    3. Grizzly WS
      SelectorHandlerRunner.run
      1. com.sun.grizzly.TCPSelectorHandler.onAcceptInterest(TCPSelectorHandler.java:768)
      2. com.sun.grizzly.SelectorHandlerRunner.handleSelectedKey(SelectorHandlerRunner.java:295)
      3. com.sun.grizzly.SelectorHandlerRunner.handleSelectedKeys(SelectorHandlerRunner.java:258)
      4. com.sun.grizzly.SelectorHandlerRunner.doSelect(SelectorHandlerRunner.java:195)
      5. com.sun.grizzly.SelectorHandlerRunner.run(SelectorHandlerRunner.java:130)
      5 frames
    4. Java RT
      Thread.run
      1. java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
      3. java.lang.Thread.run(Thread.java:662)
      3 frames