java.lang.NullPointerException

hortonworks.com | 8 months 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.apache.ambari.server.actionmanager.ActionDBAccessorImpl.persistActions()
    2. org.apache.ambari
      ClusterService.updateCluster
      1. org.apache.ambari.server.actionmanager.ActionDBAccessorImpl.persistActions(ActionDBAccessorImpl.java:300)
      2. org.apache.ambari.server.orm.AmbariJpaLocalTxnInterceptor.invoke(AmbariJpaLocalTxnInterceptor.java:68)
      3. org.apache.ambari.server.actionmanager.ActionManager.sendActions(ActionManager.java:99)
      4. org.apache.ambari.server.controller.internal.RequestStageContainer.persist(RequestStageContainer.java:216)
      5. org.apache.ambari.server.controller.AmbariManagementControllerImpl.updateCluster(AmbariManagementControllerImpl.java:1567)
      6. org.apache.ambari.server.controller.AmbariManagementControllerImpl.updateClusters(AmbariManagementControllerImpl.java:1308)
      7. org.apache.ambari.server.controller.internal.ClusterResourceProvider$2.invoke(ClusterResourceProvider.java:241)
      8. org.apache.ambari.server.controller.internal.ClusterResourceProvider$2.invoke(ClusterResourceProvider.java:238)
      9. org.apache.ambari.server.controller.internal.AbstractResourceProvider.modifyResources(AbstractResourceProvider.java:330)
      10. org.apache.ambari.server.controller.internal.ClusterResourceProvider.updateResources(ClusterResourceProvider.java:238)
      11. org.apache.ambari.server.controller.internal.ClusterControllerImpl.updateResources(ClusterControllerImpl.java:310)
      12. org.apache.ambari.server.api.services.persistence.PersistenceManagerImpl.update(PersistenceManagerImpl.java:104)
      13. org.apache.ambari.server.api.handlers.UpdateHandler.persist(UpdateHandler.java:42)
      14. org.apache.ambari.server.api.handlers.BaseManagementHandler.handleRequest(BaseManagementHandler.java:72)
      15. org.apache.ambari.server.api.services.BaseRequest.process(BaseRequest.java:135)
      16. org.apache.ambari.server.api.services.BaseService.handleRequest(BaseService.java:105)
      17. org.apache.ambari.server.api.services.BaseService.handleRequest(BaseService.java:74)
      18. org.apache.ambari.server.api.services.ClusterService.updateCluster(ClusterService.java:151)
      18 frames
    3. Java RT
      Method.invoke
      1. sun.reflect.GeneratedMethodAccessor192.invoke(Unknown Source)
      2. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      3. java.lang.reflect.Method.invoke(Method.java:497)
      3 frames
    4. Jersey
      WebApplicationImpl.handleRequest
      1. com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60)
      2. com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:205)
      3. com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75)
      4. com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:302)
      5. com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
      6. com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:108)
      7. com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
      8. com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:84)
      9. com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1542)
      10. com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1473)
      11. com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1419)
      12. com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1409)
      12 frames
    5. Jersey
      ServletContainer.service
      1. com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:409)
      2. com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:540)
      3. com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:715)
      3 frames
    6. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
      1 frame
    7. Jetty
      ServletHandler$CachedChain.doFilter
      1. org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:684)
      2. org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1496)
      2 frames
    8. Spring Security
      FilterChainProxy$VirtualFilterChain.doFilter
      1. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
      2. org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118)
      3. org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84)
      4. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
      5. org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113)
      6. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
      7. org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103)
      8. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
      9. org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113)
      10. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
      11. org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54)
      12. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
      13. org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45)
      14. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
      14 frames
    9. org.apache.ambari
      AmbariAuthorizationFilter.doFilter
      1. org.apache.ambari.server.security.authorization.AmbariAuthorizationFilter.doFilter(AmbariAuthorizationFilter.java:182)
      1 frame
    10. Spring Security
      FilterChainProxy.doFilter
      1. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
      2. org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150)
      3. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
      4. org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87)
      5. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
      6. org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192)
      7. org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160)
      7 frames
    11. Spring
      DelegatingFilterProxy.doFilter
      1. org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:237)
      2. org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167)
      2 frames
    12. Jetty
      ServletHandler$CachedChain.doFilter
      1. org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467)
      1 frame
    13. org.apache.ambari
      MethodOverrideFilter.doFilter
      1. org.apache.ambari.server.api.MethodOverrideFilter.doFilter(MethodOverrideFilter.java:72)
      1 frame
    14. Jetty
      ServletHandler$CachedChain.doFilter
      1. org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467)
      1 frame
    15. org.apache.ambari
      AmbariPersistFilter.doFilter
      1. org.apache.ambari.server.api.AmbariPersistFilter.doFilter(AmbariPersistFilter.java:47)
      1 frame
    16. Jetty
      ScopedHandler.handle
      1. org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467)
      2. org.eclipse.jetty.servlets.UserAgentFilter.doFilter(UserAgentFilter.java:82)
      3. org.eclipse.jetty.servlets.GzipFilter.doFilter(GzipFilter.java:294)
      4. org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467)
      5. org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:501)
      6. org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
      7. org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:557)
      8. org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
      9. org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)
      10. org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:429)
      11. org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
      12. org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)
      13. org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
      13 frames
    17. org.apache.ambari
      AmbariHandlerList.handle
      1. org.apache.ambari.server.controller.AmbariHandlerList.processHandlers(AmbariHandlerList.java:209)
      2. org.apache.ambari.server.controller.AmbariHandlerList.processHandlers(AmbariHandlerList.java:198)
      3. org.apache.ambari.server.controller.AmbariHandlerList.handle(AmbariHandlerList.java:132)
      3 frames
    18. Jetty
      AsyncHttpConnection.handle
      1. org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
      2. org.eclipse.jetty.server.Server.handle(Server.java:370)
      3. org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:494)
      4. org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:982)
      5. org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:1043)
      6. org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:865)
      7. org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:240)
      8. org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
      8 frames
    19. GWT dev
      SelectChannelEndPoint$1.run
      1. org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:696)
      2. org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:53)
      2 frames
    20. Jetty
      QueuedThreadPool$3.run
      1. org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
      2. org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
      2 frames
    21. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:745)
      1 frame