java.lang.NullPointerException

Icesoft | debasisroy144 | 9 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 com.sun.faces.application.ApplicationImpl.createValueBinding()
    2. JSF
      ApplicationImpl.createValueBinding
      1. com.sun.faces.application.ApplicationImpl.createValueBinding(ApplicationImpl.java:467)
      1 frame
    3. com.sun.rave
      ViewHandlerImpl.renderView
      1. com.sun.rave.web.ui.appbase.faces.ViewHandlerImpl.pageBean(ViewHandlerImpl.java:697)
      2. com.sun.rave.web.ui.appbase.faces.ViewHandlerImpl.pageBean(ViewHandlerImpl.java:676)
      3. com.sun.rave.web.ui.appbase.faces.ViewHandlerImpl.renderView(ViewHandlerImpl.java:284)
      3 frames
    4. JSF
      LifecycleImpl.render
      1. com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106)
      2. com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
      3. com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144)
      3 frames
    5. JavaEE 7
      FacesServlet.service
      1. javax.faces.webapp.FacesServlet.service(FacesServlet.java:245)
      1 frame
    6. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
      2 frames
    7. com.sun.webui
      UploadFilter.doFilter
      1. com.sun.webui.jsf.util.UploadFilter.doFilter(UploadFilter.java:267)
      1 frame
    8. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
      2 frames
    9. org.netbeans.modules
      MonitorFilter.doFilter
      1. org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:390)
      1 frame
    10. Glassfish Core
      CoyoteAdapter.service
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
      3. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
      4. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
      5. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
      6. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
      7. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
      8. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
      8 frames
    11. Grizzly HTTP
      JIoEndpoint$Worker.run
      1. org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
      2. org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
      3. org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
      3 frames
    12. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:619)
      1 frame