java.lang.NullPointerException

Oracle Community | 2844987 | 2 years ago
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  1. 0

    Getting a nullpointer exception when switching displayables in J2ME

    Stack Overflow | 7 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 | 3 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 oracle.security.am.admin.config.mgmt.beanimpl.AMConfiguration.initializeListener()
    2. oracle.security.am
      AMConfiguration.load
      1. oracle.security.am.admin.config.mgmt.beanimpl.AMConfiguration.initializeListener(AMConfiguration.java:517)
      2. oracle.security.am.admin.config.mgmt.beanimpl.AMConfiguration.performDistributionInitialization(AMConfiguration.java:315)
      3. oracle.security.am.admin.config.mgmt.beanimpl.AMConfiguration.load(AMConfiguration.java:250)
      3 frames
    3. oracle.as.jmx
      DocumentChangeDistributor.documentChanged
      1. oracle.as.jmx.framework.standardmbeans.spi.OracleStandardEmitterConfigMBean$OptimizedPersistableInterceptor.load(OracleStandardEmitterConfigMBean.java:1241)
      2. oracle.as.jmx.framework.util.NonPMConfigObjectMBeanAssociationInfo$NonPMInternalDocumentChangeListenerSupport.documentChanged(NonPMConfigObjectMBeanAssociationInfo.java:756)
      3. oracle.as.jmx.framework.wls.spi.activation.DocumentChangeDistributor.documentChanged(DocumentChangeDistributor.java:99)
      3 frames
    4. oracle.as.config
      WatchingDocumentChangeNotifier$1.run
      1. oracle.as.config.notification.filesystem.WatchingDocumentChangeNotifier$DocumentChangeListenerWrapper.documentChanged(WatchingDocumentChangeNotifier.java:719)
      2. oracle.as.config.notification.filesystem.WatchingDocumentChangeNotifier.checkUsingListeners(WatchingDocumentChangeNotifier.java:401)
      3. oracle.as.config.notification.filesystem.WatchingDocumentChangeNotifier.checkFiles(WatchingDocumentChangeNotifier.java:285)
      4. oracle.as.config.notification.filesystem.WatchingDocumentChangeNotifier$1.run(WatchingDocumentChangeNotifier.java:294)
      4 frames
    5. Java RT
      AccessController.doPrivileged
      1. java.security.AccessController.doPrivileged(Native Method)
      1 frame
    6. oracle.as.config
      WatchingDocumentChangeNotifier.run
      1. oracle.as.config.notification.filesystem.WatchingDocumentChangeNotifier.internalCheckFiles(WatchingDocumentChangeNotifier.java:291)
      2. oracle.as.config.notification.filesystem.WatchingDocumentChangeNotifier.run(WatchingDocumentChangeNotifier.java:272)
      2 frames
    7. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:662)
      1 frame