java.lang.NullPointerException

openxava | henryedsl | 7 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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    Cloud Foundry v2 in Grails

    Stack Overflow | 3 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 org.admon.actions.AgregarOrdenCompra.execute()
    2. org.admon.actions
      AgregarOrdenCompra.execute
      1. org.admon.actions.AgregarOrdenCompra.execute(AgregarOrdenCompra.java:19)
      1 frame
    3. org.openxava.controller
      ModuleManager.execute
      1. org.openxava.controller.ModuleManager.executeAction(ModuleManager.java:350)
      2. org.openxava.controller.ModuleManager.executeAction(ModuleManager.java:267)
      3. org.openxava.controller.ModuleManager.execute(ModuleManager.java:231)
      3 frames
    4. org.apache.jsp
      execute_jsp._jspService
      1. org.apache.jsp.xava.execute_jsp._jspService(execute_jsp.java:177)
      1 frame
    5. GWT dev
      HttpJspBase.service
      1. org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
      1 frame
    6. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
      1 frame
    7. GWT dev
      JspServlet.service
      1. org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
      2. org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
      3. org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
      3 frames
    8. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
      1 frame
    9. Glassfish Core
      ApplicationDispatcher.include
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
      3. org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
      4. org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
      5. org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
      5 frames
    10. org.openxava.web
      Module.request
      1. org.openxava.web.servlets.Servlets.getURIAsStream(Servlets.java:66)
      2. org.openxava.web.dwr.Module.getURIAsStream(Module.java:179)
      3. org.openxava.web.dwr.Module.request(Module.java:63)
      3 frames
    11. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      4. java.lang.reflect.Method.invoke(Method.java:597)
      4 frames
    12. Direct Web Remoting
      DwrServlet.doPost
      1. org.directwebremoting.impl.ExecuteAjaxFilter.doFilter(ExecuteAjaxFilter.java:34)
      2. org.directwebremoting.impl.DefaultRemoter$1.doFilter(DefaultRemoter.java:428)
      3. org.directwebremoting.impl.DefaultRemoter.execute(DefaultRemoter.java:431)
      4. org.directwebremoting.impl.DefaultRemoter.execute(DefaultRemoter.java:283)
      5. org.directwebremoting.servlet.PlainCallHandler.handle(PlainCallHandler.java:52)
      6. org.directwebremoting.servlet.UrlProcessor.handle(UrlProcessor.java:101)
      7. org.directwebremoting.servlet.DwrServlet.doPost(DwrServlet.java:146)
      7 frames
    13. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
      2. javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
      2 frames
    14. Glassfish Core
      CoyoteAdapter.service
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
      3. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
      4. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
      5. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
      6. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
      7. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
      8. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
      8 frames
    15. Grizzly HTTP
      JIoEndpoint$Worker.run
      1. org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
      2. org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
      3. org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
      3 frames
    16. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:619)
      1 frame