java.lang.NullPointerException

Oracle Community | Torsten Kleiber | 2 years ago
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  1. 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
  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 | 2 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.dbtools.crest.swingui.editor.UDPLibrariesPersistence.load()
    2. oracle.dbtools.crest
      DataModelerAddin.initialize
      1. oracle.dbtools.crest.swingui.editor.UDPLibrariesPersistence.load(UDPLibrariesPersistence.java:220)
      2. oracle.dbtools.crest.model.design.DesignSet.createElement(DesignSet.java:56)
      3. oracle.dbtools.crest.swingui.ApplicationView.addDesign(ApplicationView.java:2497)
      4. oracle.dbtools.crest.swingui.ApplicationView.<init>(ApplicationView.java:435)
      5. oracle.dbtools.crest.swingui.ApplicationView.<init>(ApplicationView.java:389)
      6. oracle.dbtools.crest.swingui.ApplicationView.getInstance(ApplicationView.java:2258)
      7. oracle.dbtools.crest.fcp.DataModelerAddin.initialize(DataModelerAddin.java:553)
      7 frames
    3. oracle.ideimpl.extension
      AddinManagerImpl.initProductAndUserAddins
      1. oracle.ideimpl.extension.AddinManagerImpl.initializeAddin(AddinManagerImpl.java:496)
      2. oracle.ideimpl.extension.AddinManagerImpl.initializeAddin(AddinManagerImpl.java:483)
      3. oracle.ideimpl.extension.AddinManagerImpl.initializeAddins(AddinManagerImpl.java:299)
      4. oracle.ideimpl.extension.AddinManagerImpl.initProductAndUserAddins(AddinManagerImpl.java:160)
      5. oracle.ideimpl.extension.AddinManagerImpl.initProductAndUserAddins(AddinManagerImpl.java:143)
      5 frames
    4. oracle.ide
      Ide.startup
      1. oracle.ide.IdeCore.initProductAndUserAddinsAndActionRegistry(IdeCore.java:2294)
      2. oracle.ide.IdeCore.startupImpl(IdeCore.java:1817)
      3. oracle.ide.Ide.startup(Ide.java:772)
      3 frames
    5. oracle.ide.osgi
      Activator.start
      1. oracle.ide.osgi.Activator.start(Activator.java:209)
      1 frame
    6. Eclipse OSGi
      BundleContextImpl$1.run
      1. org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:711)
      1 frame
    7. Java RT
      AccessController.doPrivileged
      1. java.security.AccessController.doPrivileged(Native Method)
      1 frame
    8. Eclipse OSGi
      EquinoxLauncher.start
      1. org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:702)
      2. org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:683)
      3. org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:381)
      4. org.eclipse.osgi.framework.internal.core.AbstractBundle.resume(AbstractBundle.java:390)
      5. org.eclipse.osgi.framework.internal.core.Framework.resumeBundle(Framework.java:1176)
      6. org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:559)
      7. org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:544)
      8. org.eclipse.osgi.framework.internal.core.StartLevelManager.incFWSL(StartLevelManager.java:457)
      9. org.eclipse.osgi.framework.internal.core.StartLevelManager.doSetStartLevel(StartLevelManager.java:243)
      10. org.eclipse.osgi.framework.internal.core.EquinoxLauncher.internalStart(EquinoxLauncher.java:271)
      11. org.eclipse.osgi.framework.internal.core.EquinoxLauncher.start(EquinoxLauncher.java:241)
      11 frames
    9. Eclipse OSGi
      Equinox.start
      1. org.eclipse.osgi.launch.Equinox.start(Equinox.java:258)
      1 frame
    10. org.netbeans.core
      Netigso.start
      1. org.netbeans.core.netigso.Netigso.start(Netigso.java:191)
      1 frame
    11. org.netbeans
      ModuleManager.enable
      1. org.netbeans.NetigsoHandle.startFramework(NetigsoHandle.java:209)
      2. org.netbeans.ModuleManager.enable(ModuleManager.java:1352)
      3. org.netbeans.ModuleManager.enable(ModuleManager.java:1156)
      3 frames
    12. org.netbeans.core
      TopThreadGroup.run
      1. org.netbeans.core.startup.ModuleList.installNew(ModuleList.java:340)
      2. org.netbeans.core.startup.ModuleList.trigger(ModuleList.java:276)
      3. org.netbeans.core.startup.ModuleSystem.restore(ModuleSystem.java:301)
      4. org.netbeans.core.startup.Main.getModuleSystem(Main.java:181)
      5. org.netbeans.core.startup.Main.getModuleSystem(Main.java:150)
      6. org.netbeans.core.startup.Main.start(Main.java:307)
      7. org.netbeans.core.startup.TopThreadGroup.run(TopThreadGroup.java:123)
      7 frames
    13. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:745)
      1 frame