java.lang.NullPointerException

Coderanch | carl chan | 1 decade ago
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  1. 0

    java bean question

    Coderanch | 1 decade ago | carl chan
    java.lang.NullPointerException
  2. 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
  3. 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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  5. 0

    Cloud Foundry v2 in Grails

    Stack Overflow | 2 years ago | angelo087
    java.lang.NullPointerException: Cannot invoke method getAt() on null object
  6. 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 a.CreateRecordAction.execute()
    2. a
      ControllerServlet.doPost
      1. a.CreateRecordAction.execute(CreateRecordAction.java:13)
      2. a.ControllerServlet.doGet(ControllerServlet.java:31)
      3. a.ControllerServlet.doPost(ControllerServlet.java:38)
      3 frames
    3. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
      2. javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
      2 frames
    4. Glassfish Core
      InvokerServlet.doPost
      1. org.apache.catalina.servlets.InvokerServlet.serveRequest(InvokerServlet.java:446)
      2. org.apache.catalina.servlets.InvokerServlet.doPost(InvokerServlet.java:216)
      2 frames
    5. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
      2. javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
      2 frames
    6. Glassfish Core
      ContainerBase.invoke
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
      3. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:243)
      4. org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
      5. org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
      6. org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
      7. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:201)
      8. org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
      9. org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
      10. org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
      11. org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2344)
      12. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
      13. org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
      14. org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
      15. org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
      16. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170)
      17. org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
      18. org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:462)
      19. org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
      20. org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
      21. org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
      22. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:163)
      23. org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
      24. org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
      25. org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
      25 frames
    7. org.apache.catalina
      HttpProcessor.run
      1. org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.java:1011)
      2. org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1106)
      2 frames
    8. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:479)
      1 frame