java.lang.NullPointerException

Oracle Community | 3004 | 2 decades ago
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    Tomcat & WL6.1

    Oracle Community | 2 decades ago | 3004
    java.lang.NullPointerException

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at HelloWorldExample.doGet()
    2. Unknown
      HelloWorldExample.doGet
      1. HelloWorldExample.doGet(HelloWorldExample.java:119)
      1 frame
    3. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
      2. javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
      2 frames
    4. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
      2 frames
    5. filters
      ExampleFilter.doFilter
      1. filters.ExampleFilter.doFilter(ExampleFilter.java:149)
      1 frame
    6. Glassfish Core
      ContainerBase.invoke
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:213)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
      3. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:243)
      4. org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
      5. org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
      6. org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
      7. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:190)
      8. org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
      9. org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:475)
      10. org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
      11. org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
      12. org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
      13. org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2343)
      14. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
      15. org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
      16. org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
      17. org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
      18. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170)
      19. org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
      20. org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:468)
      21. org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
      22. org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
      23. org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
      24. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
      25. org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
      26. org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
      27. org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
      27 frames
    7. org.apache.ajp
      Ajp13Processor.run
      1. org.apache.ajp.tomcat4.Ajp13Processor.process(Ajp13Processor.java:429)
      2. org.apache.ajp.tomcat4.Ajp13Processor.run(Ajp13Processor.java:495)
      2 frames
    8. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:484)
      1 frame