java.lang.NullPointerException

Oracle Community | Jon80 | 5 years 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 oracle.sysman.oii.oiin.OiinNetOps.addNICInfo()
    2. oracle.sysman.oii
      OiixNetOps.getFullHostName
      1. oracle.sysman.oii.oiin.OiinNetOps.addNICInfo(OiinNetOps.java:144)
      2. oracle.sysman.oii.oiin.OiinNetOps.computeNICList(OiinNetOps.java:109)
      3. oracle.sysman.oii.oiin.OiinNetOps.<init>(OiinNetOps.java:76)
      4. oracle.sysman.oii.oiin.OiinNetOps.getNetOps(OiinNetOps.java:90)
      5. oracle.sysman.oii.oiix.OiixNetOps.getFullHostName(OiixNetOps.java:49)
      5 frames
    3. oracle.install.library
      MachineInfo.getFullHostName
      1. oracle.install.library.util.MachineInfo.getFullHostName(MachineInfo.java:109)
      1 frame
    4. oracle.install.ivw
      SystemClassAction.transition
      1. oracle.install.ivw.db.action.SystemClassAction.transition(SystemClassAction.java:80)
      1 frame
    5. oracle.install.commons
      FlowWizard$1.run
      1. oracle.install.commons.flow.AbstractFlowExecutor.stopAction(AbstractFlowExecutor.java:435)
      2. oracle.install.commons.flow.AbstractFlowExecutor.leaveVertex(AbstractFlowExecutor.java:615)
      3. oracle.install.commons.flow.AbstractFlowExecutor.transition(AbstractFlowExecutor.java:321)
      4. oracle.install.commons.flow.AbstractFlowExecutor.nextState(AbstractFlowExecutor.java:261)
      5. oracle.install.commons.flow.AbstractFlowExecutor.nextViewState(AbstractFlowExecutor.java:220)
      6. oracle.install.commons.flow.DefaultFlowNavigator.goForward(DefaultFlowNavigator.java:58)
      7. oracle.install.commons.flow.jewt.FlowWizard$1.run(FlowWizard.java:72)
      7 frames
    6. Java RT
      Thread.run
      1. java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
      3. java.lang.Thread.run(Thread.java:595)
      3 frames