java.lang.NullPointerException

Oracle Community | user11981925 | 3 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
  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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    Cloud Foundry v2 in Grails

    Stack Overflow | 2 years ago | angelo087
    java.lang.NullPointerException: Cannot invoke method getAt() on null object
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    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.apps.fnd.framework.OAException.wrapperException()
    2. oracle.apps.fnd
      OAApplicationModuleImpl.invokeMethod
      1. oracle.apps.fnd.framework.OAException.wrapperException(OAException.java:912)
      2. oracle.apps.fnd.framework.OAException.wrapperException(OAException.java:886)
      3. oracle.apps.fnd.framework.OAException.wrapperInvocationTargetException(OAException.java:1009)
      4. oracle.apps.fnd.framework.server.OAUtility.invokeMethod(OAUtility.java:211)
      5. oracle.apps.fnd.framework.server.OAApplicationModuleImpl.invokeMethod(OAApplicationModuleImpl.java:720)
      5 frames
    3. oracle.apps.ap
      EntryFlowPageCO.processRequest
      1. oracle.apps.ap.oie.webui.ExpensesCO.processRequest(ExpensesCO.java:295)
      2. oracle.apps.ap.oie.entry.webui.EntryFlowPageCO.processRequest(EntryFlowPageCO.java:57)
      2 frames
    4. oracle.apps.fnd
      OAPageBean.preparePage
      1. oracle.apps.fnd.framework.webui.OAWebBeanHelper.processRequest(OAWebBeanHelper.java:604)
      2. oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processRequest(OAWebBeanContainerHelper.java:252)
      3. oracle.apps.fnd.framework.webui.OAPageLayoutHelper.processRequest(OAPageLayoutHelper.java:1183)
      4. oracle.apps.fnd.framework.webui.beans.layout.OAPageLayoutBean.processRequest(OAPageLayoutBean.java:1569)
      5. oracle.apps.fnd.framework.webui.OAWebBeanHelper.processRequestChildren(OAWebBeanHelper.java:976)
      6. oracle.apps.fnd.framework.webui.OAWebBeanHelper.processRequestChildren(OAWebBeanHelper.java:943)
      7. oracle.apps.fnd.framework.webui.OAWebBeanHelper.processRequest(OAWebBeanHelper.java:663)
      8. oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processRequest(OAWebBeanContainerHelper.java:252)
      9. oracle.apps.fnd.framework.webui.beans.form.OAFormBean.processRequest(OAFormBean.java:385)
      10. oracle.apps.fnd.framework.webui.OAWebBeanHelper.processRequestChildren(OAWebBeanHelper.java:976)
      11. oracle.apps.fnd.framework.webui.OAWebBeanHelper.processRequestChildren(OAWebBeanHelper.java:943)
      12. oracle.apps.fnd.framework.webui.OAWebBeanHelper.processRequest(OAWebBeanHelper.java:663)
      13. oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processRequest(OAWebBeanContainerHelper.java:252)
      14. oracle.apps.fnd.framework.webui.beans.OABodyBean.processRequest(OABodyBean.java:353)
      15. oracle.apps.fnd.framework.webui.OAPageBean.processRequest(OAPageBean.java:2629)
      16. oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:1949)
      17. oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:549)
      18. oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:437)
      18 frames
    5. Unknown
      _OA._jspService
      1. _OA._jspService(_OA.java:204)
      1 frame
    6. com.orionserver.http
      OrionHttpJspPage.service
      1. com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:59)
      1 frame
    7. oracle.jsp.runtimev2
      JspServlet.service
      1. oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:473)
      2. oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:594)
      3. oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:518)
      3 frames
    8. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
      1 frame
    9. com.evermind.server
      ServletRequestDispatcher$2.oc4jRun
      1. com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:734)
      2. com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:391)
      3. com.evermind.server.http.ServletRequestDispatcher.unprivileged_forward(ServletRequestDispatcher.java:280)
      4. com.evermind.server.http.ServletRequestDispatcher.access$100(ServletRequestDispatcher.java:68)
      5. com.evermind.server.http.ServletRequestDispatcher$2.oc4jRun(ServletRequestDispatcher.java:214)
      5 frames
    10. oracle.oc4j.security
      OC4JSecurity.doPrivileged
      1. oracle.oc4j.security.OC4JSecurity.doPrivileged(OC4JSecurity.java:284)
      1 frame
    11. com.evermind.server
      EvermindPageContext.forward
      1. com.evermind.server.http.ServletRequestDispatcher.forward(ServletRequestDispatcher.java:219)
      2. com.evermind.server.http.EvermindPageContext.forward(EvermindPageContext.java:395)
      2 frames
    12. Unknown
      _OA._jspService
      1. _OA._jspService(_OA.java:213)
      1 frame
    13. com.orionserver.http
      OrionHttpJspPage.service
      1. com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:59)
      1 frame
    14. oracle.jsp.runtimev2
      JspServlet.service
      1. oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:473)
      2. oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:594)
      3. oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:518)
      3 frames
    15. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
      1 frame
    16. com.evermind.server
      ResourceFilterChain.doFilter
      1. com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:64)
      1 frame
    17. oracle.apps.jtf
      ReleaseResFilter.doFilter
      1. oracle.apps.jtf.base.session.ReleaseResFilter.doFilter(ReleaseResFilter.java:26)
      1 frame
    18. com.evermind.server
      EvermindFilterChain.doFilter
      1. com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:15)
      1 frame
    19. oracle.apps.fnd
      AppsServletFilter.doFilter
      1. oracle.apps.fnd.security.AppsServletFilter.doFilter(AppsServletFilter.java:318)
      1 frame
    20. com.evermind.server
      AJPRequestHandler.run
      1. com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:642)
      2. com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:391)
      3. com.evermind.server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:911)
      4. com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:458)
      5. com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:313)
      6. com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:199)
      6 frames
    21. oracle.oc4j.network
      ServerSocketReadHandler$SafeRunnable.run
      1. oracle.oc4j.network.ServerSocketReadHandler$SafeRunnable.run(ServerSocketReadHandler.java:260)
      1 frame
    22. com.evermind.util
      ReleasableResourcePooledExecutor$MyWorker.run
      1. com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:303)
      1 frame
    23. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:619)
      1 frame