java.lang.NullPointerException

openl-tablets | hsowl | 4 years ago
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    openl-tablets | 4 years ago | hsowl
    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
  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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    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 org.openl.rules.webstudio.web.tableeditor.TablePropertiesBean.isShowProperties()
    2. OpenL - STUDIO - WebStudio Java Sources
      TablePropertiesBean.<init>
      1. org.openl.rules.webstudio.web.tableeditor.TablePropertiesBean.isShowProperties(TablePropertiesBean.java:143)
      2. org.openl.rules.webstudio.web.tableeditor.TablePropertiesBean.<init>(TablePropertiesBean.java:58)
      2 frames
    3. Java RT
      Class.newInstance
      1. sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
      2. sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
      3. sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
      4. java.lang.reflect.Constructor.newInstance(Unknown Source)
      5. java.lang.Class.newInstance0(Unknown Source)
      6. java.lang.Class.newInstance(Unknown Source)
      6 frames
    4. JSF
      DemuxCompositeELResolver.getValue
      1. com.sun.faces.mgbean.BeanBuilder.newBeanInstance(BeanBuilder.java:188)
      2. com.sun.faces.mgbean.BeanBuilder.build(BeanBuilder.java:102)
      3. com.sun.faces.mgbean.BeanManager.createAndPush(BeanManager.java:409)
      4. com.sun.faces.mgbean.BeanManager.create(BeanManager.java:269)
      5. com.sun.faces.el.ManagedBeanELResolver.resolveBean(ManagedBeanELResolver.java:244)
      6. com.sun.faces.el.ManagedBeanELResolver.getValue(ManagedBeanELResolver.java:116)
      7. com.sun.faces.el.DemuxCompositeELResolver._getValue(DemuxCompositeELResolver.java:176)
      8. com.sun.faces.el.DemuxCompositeELResolver.getValue(DemuxCompositeELResolver.java:203)
      8 frames
    5. Pax Jsp
      ValueExpressionImpl.getValue
      1. org.apache.el.parser.AstIdentifier.getValue(AstIdentifier.java:72)
      2. org.apache.el.parser.AstValue.getValue(AstValue.java:161)
      3. org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:185)
      3 frames
    6. JSF
      TagValueExpression.getValue
      1. com.sun.faces.facelets.el.TagValueExpression.getValue(TagValueExpression.java:109)
      1 frame
    7. JavaEE 7
      UIComponent.encodeAll
      1. javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:194)
      2. javax.faces.component.UIComponentBase.isRendered(UIComponentBase.java:413)
      3. javax.faces.component.UIComponent.encodeAll(UIComponent.java:1773)
      4. javax.faces.component.UIComponent.encodeAll(UIComponent.java:1782)
      4 frames
    8. JSF
      MultiViewHandler.renderView
      1. com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:424)
      2. com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:125)
      2 frames
    9. JavaEE 7
      ViewHandlerWrapper.renderView
      1. javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:288)
      1 frame
    10. JSF
      LifecycleImpl.render
      1. com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:121)
      2. com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
      3. com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
      3 frames
    11. JavaEE 7
      FacesServlet.service
      1. javax.faces.webapp.FacesServlet.service(FacesServlet.java:594)
      1 frame
    12. 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
    13. OpenL - STUDIO - WebStudio Java Sources
      ThreadLocalFilter.doFilter
      1. org.openl.rules.webstudio.filter.ThreadLocalFilter.doFilter(ThreadLocalFilter.java:32)
      1 frame
    14. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
      2 frames
    15. OpenL - STUDIO - WebStudio Java Sources
      SessionTimeoutFilter.doFilter
      1. org.openl.rules.webstudio.filter.SessionTimeoutFilter.doFilter(SessionTimeoutFilter.java:60)
      1 frame
    16. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
      2 frames
    17. Spring Security
      FilterChainProxy.doFilter
      1. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:322)
      2. org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105)
      3. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
      4. org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:116)
      5. org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:83)
      6. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
      7. org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113)
      8. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
      9. org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146)
      10. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
      11. org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150)
      12. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
      13. org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:182)
      14. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
      15. org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87)
      16. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
      17. org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:184)
      18. org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:155)
      18 frames
    18. Spring
      DelegatingFilterProxy.doFilter
      1. org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
      2. org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:259)
      2 frames
    19. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
      2 frames
    20. OpenL - STUDIO - WebStudio Java Sources
      WebResourceFilter.doFilter
      1. org.openl.rules.webstudio.filter.WebResourceFilter.doFilter(WebResourceFilter.java:71)
      1 frame
    21. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
      2 frames
    22. Spring
      OncePerRequestFilter.doFilter
      1. org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
      2. org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
      2 frames
    23. 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.core.StandardHostValve.invoke(StandardHostValve.java:171)
      6. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
      7. org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:936)
      8. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
      9. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
      9 frames
    24. Grizzly HTTP
      JIoEndpoint$SocketProcessor.run
      1. org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004)
      2. org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
      3. org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
      3 frames
    25. Java RT
      Thread.run
      1. java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
      3. java.lang.Thread.run(Unknown Source)
      3 frames