java.lang.NullPointerException: null

GitHub | trisberg | 11 months ago
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  1. 0

    NPE

    GitHub | 11 months ago | trisberg
    java.lang.NullPointerException: null
  2. 0

    NPE

    GitHub | 11 months ago | trisberg
    java.lang.NullPointerException: null
  3. 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
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  5. 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
  6. 0

    Cloud Foundry v2 in Grails

    Stack Overflow | 2 years ago | angelo087
    java.lang.NullPointerException: Cannot invoke method getAt() on null object

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    Root Cause Analysis

    1. java.lang.NullPointerException

      null

      at org.springframework.cloud.deployer.spi.kubernetes.KubernetesAppDeployer.undeploy()
    2. org.springframework.cloud
      StreamDefinitionController.delete
      1. org.springframework.cloud.deployer.spi.kubernetes.KubernetesAppDeployer.undeploy(KubernetesAppDeployer.java:120)[spring-cloud-deployer-kubernetes-1.0.0.BUILD-SNAPSHOT.jar!/:1.0.0.BUILD-SNAPSHOT]
      2. org.springframework.cloud.dataflow.server.controller.StreamDeploymentController.undeployStream(StreamDeploymentController.java:390)[spring-cloud-dataflow-server-core-1.0.0.BUILD-SNAPSHOT.jar!/:1.0.0.BUILD-SNAPSHOT]
      3. org.springframework.cloud.dataflow.server.controller.StreamDeploymentController.undeploy(StreamDeploymentController.java:135)[spring-cloud-dataflow-server-core-1.0.0.BUILD-SNAPSHOT.jar!/:1.0.0.BUILD-SNAPSHOT]
      4. org.springframework.cloud.dataflow.server.controller.StreamDefinitionController.delete(StreamDefinitionController.java:160)[spring-cloud-dataflow-server-core-1.0.0.BUILD-SNAPSHOT.jar!/:1.0.0.BUILD-SNAPSHOT]
      4 frames
    3. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)[na:1.8.0_40]
      2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)[na:1.8.0_40]
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)[na:1.8.0_40]
      4. java.lang.reflect.Method.invoke(Method.java:497)[na:1.8.0_40]
      4 frames
    4. Spring
      InvocableHandlerMethod.invokeForRequest
      1. org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221)[spring-web-4.2.5.RELEASE.jar!/:4.2.5.RELEASE]
      2. org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:136)[spring-web-4.2.5.RELEASE.jar!/:4.2.5.RELEASE]
      2 frames
    5. Spring MVC
      FrameworkServlet.doDelete
      1. org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110)[spring-webmvc-4.2.5.RELEASE.jar!/:4.2.5.RELEASE]
      2. org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:817)[spring-webmvc-4.2.5.RELEASE.jar!/:4.2.5.RELEASE]
      3. org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:731)[spring-webmvc-4.2.5.RELEASE.jar!/:4.2.5.RELEASE]
      4. org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)[spring-webmvc-4.2.5.RELEASE.jar!/:4.2.5.RELEASE]
      5. org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959)[spring-webmvc-4.2.5.RELEASE.jar!/:4.2.5.RELEASE]
      6. org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893)[spring-webmvc-4.2.5.RELEASE.jar!/:4.2.5.RELEASE]
      7. org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:968)[spring-webmvc-4.2.5.RELEASE.jar!/:4.2.5.RELEASE]
      8. org.springframework.web.servlet.FrameworkServlet.doDelete(FrameworkServlet.java:892)[spring-webmvc-4.2.5.RELEASE.jar!/:4.2.5.RELEASE]
      8 frames
    6. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:654)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      1 frame
    7. Spring MVC
      FrameworkServlet.service
      1. org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:844)[spring-webmvc-4.2.5.RELEASE.jar!/:4.2.5.RELEASE]
      1 frame
    8. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:729)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      1 frame
    9. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      2 frames
    10. Tomcat WS
      WsFilter.doFilter
      1. org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)[tomcat-embed-websocket-8.0.32.jar!/:8.0.32]
      1 frame
    11. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      2 frames
    12. Spring Boot Actuator
      EndpointWebMvcAutoConfiguration$ApplicationContextHeaderFilter.doFilterInternal
      1. org.springframework.boot.actuate.autoconfigure.EndpointWebMvcAutoConfiguration$ApplicationContextHeaderFilter.doFilterInternal(EndpointWebMvcAutoConfiguration.java:237)[spring-boot-actuator-1.3.3.RELEASE.jar!/:1.3.3.RELEASE]
      1 frame
    13. Spring
      OncePerRequestFilter.doFilter
      1. org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)[spring-web-4.2.5.RELEASE.jar!/:4.2.5.RELEASE]
      1 frame
    14. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      2 frames
    15. Spring Boot Actuator
      WebRequestTraceFilter.doFilterInternal
      1. org.springframework.boot.actuate.trace.WebRequestTraceFilter.doFilterInternal(WebRequestTraceFilter.java:112)[spring-boot-actuator-1.3.3.RELEASE.jar!/:1.3.3.RELEASE]
      1 frame
    16. Spring
      OncePerRequestFilter.doFilter
      1. org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)[spring-web-4.2.5.RELEASE.jar!/:4.2.5.RELEASE]
      1 frame
    17. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      2 frames
    18. Spring Security
      FilterChainProxy.doFilter
      1. org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:207)[spring-security-web-4.0.3.RELEASE.jar!/:4.0.3.RELEASE]
      2. org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:176)[spring-security-web-4.0.3.RELEASE.jar!/:4.0.3.RELEASE]
      2 frames
    19. Spring
      DelegatingFilterProxy.doFilter
      1. org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)[spring-web-4.2.5.RELEASE.jar!/:4.2.5.RELEASE]
      2. org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262)[spring-web-4.2.5.RELEASE.jar!/:4.2.5.RELEASE]
      2 frames
    20. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      2 frames
    21. Spring
      OncePerRequestFilter.doFilter
      1. org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)[spring-web-4.2.5.RELEASE.jar!/:4.2.5.RELEASE]
      2. org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)[spring-web-4.2.5.RELEASE.jar!/:4.2.5.RELEASE]
      2 frames
    22. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      2 frames
    23. Spring
      OncePerRequestFilter.doFilter
      1. org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:87)[spring-web-4.2.5.RELEASE.jar!/:4.2.5.RELEASE]
      2. org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)[spring-web-4.2.5.RELEASE.jar!/:4.2.5.RELEASE]
      2 frames
    24. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      2 frames
    25. Spring
      OncePerRequestFilter.doFilter
      1. org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:77)[spring-web-4.2.5.RELEASE.jar!/:4.2.5.RELEASE]
      2. org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)[spring-web-4.2.5.RELEASE.jar!/:4.2.5.RELEASE]
      2 frames
    26. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      2 frames
    27. Spring
      OncePerRequestFilter.doFilter
      1. org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:121)[spring-web-4.2.5.RELEASE.jar!/:4.2.5.RELEASE]
      2. org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)[spring-web-4.2.5.RELEASE.jar!/:4.2.5.RELEASE]
      2 frames
    28. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      2 frames
    29. Spring Boot Actuator
      MetricsFilter.doFilterInternal
      1. org.springframework.boot.actuate.autoconfigure.MetricsFilter.doFilterInternal(MetricsFilter.java:103)[spring-boot-actuator-1.3.3.RELEASE.jar!/:1.3.3.RELEASE]
      1 frame
    30. Spring
      OncePerRequestFilter.doFilter
      1. org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)[spring-web-4.2.5.RELEASE.jar!/:4.2.5.RELEASE]
      1 frame
    31. Glassfish Core
      CoyoteAdapter.service
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      3. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      4. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      5. org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      6. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      7. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      8. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      9. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:522)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      9 frames
    32. Grizzly HTTP
      NioEndpoint$SocketProcessor.run
      1. org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1095)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      2. org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:672)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      3. org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1500)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      4. org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1456)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      4 frames
    33. Java RT
      ThreadPoolExecutor$Worker.run
      1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)[na:1.8.0_40]
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)[na:1.8.0_40]
      2 frames
    34. Tomcat Util
      TaskThread$WrappingRunnable.run
      1. org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)[tomcat-embed-core-8.0.32.jar!/:8.0.32]
      1 frame
    35. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:745)[na:1.8.0_40]
      1 frame