java.lang.NullPointerException: null

GitHub | dkatzberg | 8 months ago
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  1. 0

    GitHub comment 580#240104069

    GitHub | 8 months ago | dkatzberg
    java.lang.NullPointerException: null
  2. 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
  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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  5. 0

    Cloud Foundry v2 in Grails

    Stack Overflow | 3 years ago | angelo087
    java.lang.NullPointerException: Cannot invoke method getAt() on null object
  6. 0

    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

      null

      at eu.dzhw.fdz.metadatamanagement.searchmanagement.documents.QuestionSearchDocument.<init>()
    2. eu.dzhw.fdz
      SearchResource$$FastClassBySpringCGLIB$$2a226b4c.invoke
      1. eu.dzhw.fdz.metadatamanagement.searchmanagement.documents.QuestionSearchDocument.<init>(QuestionSearchDocument.java:35)
      2. eu.dzhw.fdz.metadatamanagement.searchmanagement.service.ElasticsearchUpdateQueueService.addUpsertActionForQuestion(ElasticsearchUpdateQueueService.java:332)
      3. eu.dzhw.fdz.metadatamanagement.searchmanagement.service.ElasticsearchUpdateQueueService.addUpsertActions(ElasticsearchUpdateQueueService.java:233)
      4. eu.dzhw.fdz.metadatamanagement.searchmanagement.service.ElasticsearchUpdateQueueService.executeQueueItemActions(ElasticsearchUpdateQueueService.java:184)
      5. eu.dzhw.fdz.metadatamanagement.searchmanagement.service.ElasticsearchUpdateQueueService.processQueue(ElasticsearchUpdateQueueService.java:133)
      6. eu.dzhw.fdz.metadatamanagement.searchmanagement.rest.SearchResource.processElasticsearchUpdateQueue(SearchResource.java:135)
      7. eu.dzhw.fdz.metadatamanagement.searchmanagement.rest.SearchResource$$FastClassBySpringCGLIB$$2a226b4c.invoke(<generated>)
      7 frames
    3. Spring Core
      MethodProxy.invoke
      1. org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
      1 frame
    4. Spring AOP
      ReflectiveMethodInvocation.proceed
      1. org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:720)
      2. org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
      2 frames
    5. com.ryantenney.metrics
      AbstractMetricMethodInterceptor.invoke
      1. com.ryantenney.metrics.spring.TimedMethodInterceptor.invoke(TimedMethodInterceptor.java:48)
      2. com.ryantenney.metrics.spring.TimedMethodInterceptor.invoke(TimedMethodInterceptor.java:34)
      3. com.ryantenney.metrics.spring.AbstractMetricMethodInterceptor.invoke(AbstractMetricMethodInterceptor.java:59)
      3 frames
    6. Spring AOP
      CglibAopProxy$DynamicAdvisedInterceptor.intercept
      1. org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
      2. org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:655)
      2 frames
    7. eu.dzhw.fdz
      SearchResource$$EnhancerBySpringCGLIB$$d2dc5afc.processElasticsearchUpdateQueue
      1. eu.dzhw.fdz.metadatamanagement.searchmanagement.rest.SearchResource$$EnhancerBySpringCGLIB$$d2dc5afc.processElasticsearchUpdateQueue(<generated>)
      1 frame
    8. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      4. java.lang.reflect.Method.invoke(Method.java:498)
      4 frames
    9. Spring
      InvocableHandlerMethod.invokeForRequest
      1. org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221)
      2. org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:136)
      2 frames
    10. Spring MVC
      FrameworkServlet.doPost
      1. org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110)
      2. org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:832)
      3. org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:743)
      4. org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
      5. org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:961)
      6. org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:895)
      7. org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967)
      8. org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:869)
      8 frames
    11. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:648)
      1 frame
    12. Spring MVC
      FrameworkServlet.service
      1. org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843)
      1 frame
    13. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
      1 frame
    14. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
      2 frames
    15. Tomcat WS
      WsFilter.doFilter
      1. org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
      1 frame
    16. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
      2 frames
    17. com.codahale.metrics
      AbstractInstrumentedFilter.doFilter
      1. com.codahale.metrics.servlet.AbstractInstrumentedFilter.doFilter(AbstractInstrumentedFilter.java:104)
      1 frame
    18. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
      2 frames
    19. Spring Boot Actuator
      EndpointWebMvcAutoConfiguration$ApplicationContextHeaderFilter.doFilterInternal
      1. org.springframework.boot.actuate.autoconfigure.EndpointWebMvcAutoConfiguration$ApplicationContextHeaderFilter.doFilterInternal(EndpointWebMvcAutoConfiguration.java:281)
      1 frame
    20. Spring
      OncePerRequestFilter.doFilter
      1. org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
      1 frame
    21. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
      2 frames
    22. Spring Boot Actuator
      WebRequestTraceFilter.doFilterInternal
      1. org.springframework.boot.actuate.trace.WebRequestTraceFilter.doFilterInternal(WebRequestTraceFilter.java:115)
      1 frame
    23. Spring
      OncePerRequestFilter.doFilter
      1. org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
      1 frame
    24. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
      2 frames
    25. Spring Security
      BasicAuthenticationFilter.doFilterInternal
      1. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:316)
      2. org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:126)
      3. org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:90)
      4. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
      5. org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:114)
      6. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
      7. org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:122)
      8. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
      9. org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:111)
      10. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
      11. org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:169)
      12. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
      13. org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:48)
      14. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
      15. org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilterInternal(BasicAuthenticationFilter.java:158)
      15 frames
    26. Spring
      OncePerRequestFilter.doFilter
      1. org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
      1 frame
    27. Spring Security
      FilterChainProxy$VirtualFilterChain.doFilter
      1. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
      1 frame
    28. OAuth2 for Spring Security
      OAuth2AuthenticationProcessingFilter.doFilter
      1. org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationProcessingFilter.doFilter(OAuth2AuthenticationProcessingFilter.java:176)
      1 frame
    29. Spring Security
      FilterChainProxy$VirtualFilterChain.doFilter
      1. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
      2. org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:120)
      3. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
      3 frames
    30. org.springframework.security
      CsrfFilter.doFilterInternal
      1. org.springframework.security.web.csrf.CsrfFilter.doFilterInternal(CsrfFilter.java:96)
      1 frame
    31. Spring
      OncePerRequestFilter.doFilter
      1. org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
      1 frame
    32. Spring Security
      FilterChainProxy$VirtualFilterChain.doFilter
      1. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
      1 frame
    33. org.springframework.security
      HeaderWriterFilter.doFilterInternal
      1. org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:64)
      1 frame
    34. Spring
      OncePerRequestFilter.doFilter
      1. org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
      1 frame
    35. Spring Security
      FilterChainProxy$VirtualFilterChain.doFilter
      1. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
      2. org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:91)
      3. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
      3 frames
    36. org.springframework.security
      WebAsyncManagerIntegrationFilter.doFilterInternal
      1. org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:53)
      1 frame
    37. Spring
      OncePerRequestFilter.doFilter
      1. org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
      1 frame
    38. Spring Security
      FilterChainProxy.doFilter
      1. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
      2. org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:213)
      3. org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:176)
      3 frames
    39. Spring
      DelegatingFilterProxy.doFilter
      1. org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
      2. org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262)
      2 frames
    40. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
      2 frames
    41. Spring
      OncePerRequestFilter.doFilter
      1. org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
      2. org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
      2 frames
    42. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
      2 frames
    43. Spring
      OncePerRequestFilter.doFilter
      1. org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:87)
      2. org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
      2 frames
    44. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
      2 frames
    45. Spring
      OncePerRequestFilter.doFilter
      1. org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:77)
      2. org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
      2 frames
    46. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
      2 frames
    47. Spring
      OncePerRequestFilter.doFilter
      1. org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:121)
      2. org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
      2 frames
    48. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
      2 frames
    49. Spring Boot Actuator
      MetricsFilter.doFilterInternal
      1. org.springframework.boot.actuate.autoconfigure.MetricsFilter.doFilterInternal(MetricsFilter.java:103)
      1 frame
    50. Spring
      OncePerRequestFilter.doFilter
      1. org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
      1 frame
    51. Glassfish Core
      CoyoteAdapter.service
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
      3. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)
      4. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
      5. org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
      6. org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:676)
      7. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)
      8. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
      9. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
      10. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:528)
      10 frames
    52. Grizzly HTTP
      NioEndpoint$SocketProcessor.run
      1. org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1099)
      2. org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:670)
      3. org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1520)
      4. org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1476)
      4 frames
    53. Java RT
      ThreadPoolExecutor$Worker.run
      1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
      2 frames
    54. Tomcat Util
      TaskThread$WrappingRunnable.run
      1. org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
      1 frame
    55. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:745)
      1 frame