java.lang.NullPointerException

openxava | limp2021 | 2 years ago
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    Utilizar Radio Button

    openxava | 2 years ago | limp2021
    java.lang.NullPointerException
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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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    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.apache.jsp.xava.editors.radioButtonEditor_jsp._jspService()
    2. org.apache.jsp
      radioButtonEditor_jsp._jspService
      1. org.apache.jsp.xava.editors.radioButtonEditor_jsp._jspService(radioButtonEditor_jsp.java:89)
      1 frame
    3. GWT dev
      HttpJspBase.service
      1. org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
      1 frame
    4. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
      1 frame
    5. GWT dev
      JspServlet.service
      1. org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
      2. org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
      3. org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
      3 frames
    6. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
      1 frame
    7. Glassfish Core
      ApplicationDispatcher.include
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
      3. org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:749)
      4. org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:605)
      5. org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:544)
      5 frames
    8. GWT dev
      JspRuntimeLibrary.include
      1. org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:954)
      1 frame
    9. org.apache.jsp
      reference_jsp._jspService
      1. org.apache.jsp.xava.reference_jsp._jspService(reference_jsp.java:483)
      1 frame
    10. GWT dev
      HttpJspBase.service
      1. org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
      1 frame
    11. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
      1 frame
    12. GWT dev
      JspServlet.service
      1. org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
      2. org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
      3. org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
      3 frames
    13. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
      1 frame
    14. Glassfish Core
      ApplicationDispatcher.include
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
      3. org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:749)
      4. org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:605)
      5. org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:544)
      5 frames
    15. GWT dev
      PageContextImpl.include
      1. org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:954)
      2. org.apache.jasper.runtime.PageContextImpl.doInclude(PageContextImpl.java:684)
      3. org.apache.jasper.runtime.PageContextImpl.include(PageContextImpl.java:678)
      3 frames
    16. org.openxava.web
      LayoutPainterManager.renderView
      1. org.openxava.web.layout.AbstractJspPainter.includeJspPage(AbstractJspPainter.java:82)
      2. org.openxava.web.layout.impl.DefaultLayoutPainter.beginReferenceData(DefaultLayoutPainter.java:387)
      3. org.openxava.web.layout.impl.DefaultLayoutPainter.beginProperty(DefaultLayoutPainter.java:346)
      4. org.openxava.web.layout.impl.DefaultLayoutPropertyBeginElement.render(DefaultLayoutPropertyBeginElement.java:69)
      5. org.openxava.web.layout.LayoutPainterManager.renderElements(LayoutPainterManager.java:82)
      6. org.openxava.web.layout.LayoutPainterManager.renderView(LayoutPainterManager.java:41)
      6 frames
    17. org.apache.jsp
      detail_jsp._jspService
      1. org.apache.jsp.xava.detail_jsp._jspService(detail_jsp.java:165)
      1 frame
    18. GWT dev
      HttpJspBase.service
      1. org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
      1 frame
    19. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
      1 frame
    20. GWT dev
      JspServlet.service
      1. org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
      2. org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
      3. org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
      3 frames
    21. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
      1 frame
    22. Glassfish Core
      ApplicationDispatcher.include
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
      3. org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:749)
      4. org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:605)
      5. org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:544)
      5 frames
    23. GWT dev
      JspRuntimeLibrary.include
      1. org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:954)
      1 frame
    24. org.apache.jsp
      core_jsp._jspService
      1. org.apache.jsp.xava.core_jsp._jspService(core_jsp.java:301)
      1 frame
    25. GWT dev
      HttpJspBase.service
      1. org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
      1 frame
    26. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
      1 frame
    27. GWT dev
      JspServlet.service
      1. org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
      2. org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
      3. org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
      3 frames
    28. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
      1 frame
    29. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
      2 frames
    30. Tomcat WS
      WsFilter.doFilter
      1. org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
      1 frame
    31. Glassfish Core
      ApplicationDispatcher.forward
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
      3. org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:749)
      4. org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:487)
      5. org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:412)
      6. org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:339)
      6 frames
    32. org.openxava.web
      Module.request
      1. org.openxava.web.servlets.Servlets.getURIAsString(Servlets.java:120)
      2. org.openxava.web.servlets.Servlets.getURIAsString(Servlets.java:99)
      3. org.openxava.web.dwr.Module.getURIAsString(Module.java:211)
      4. org.openxava.web.dwr.Module.fillResult(Module.java:233)
      5. org.openxava.web.dwr.Module.request(Module.java:97)
      5 frames
    33. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      4. java.lang.reflect.Method.invoke(Unknown Source)
      4 frames
    34. 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
    35. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
      2. javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
      2 frames
    36. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
      2 frames
    37. Tomcat WS
      WsFilter.doFilter
      1. org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
      1 frame
    38. Glassfish Core
      CoyoteAdapter.service
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
      3. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
      4. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
      5. org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
      6. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
      7. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
      8. org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
      9. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
      10. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:409)
      10 frames
    39. Grizzly HTTP
      JIoEndpoint$SocketProcessor.run
      1. org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1044)
      2. org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
      3. org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:315)
      3 frames
    40. Java RT
      Thread.run
      1. java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
      3. java.lang.Thread.run(Unknown Source)
      3 frames