java.lang.NullPointerException

Oracle Community | 843859 | 10 years ago
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    getter method error

    Coderanch | 9 years ago | Mohammad Akon
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    Struts app fails on Tomcat 4.1.18

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    javax.servlet.ServletException

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at org.apache.jsp.Sign_jsp._jspService()
    2. org.apache.jsp
      Sign_jsp._jspService
      1. org.apache.jsp.Sign_jsp._jspService(Sign_jsp.java:126)
      1 frame
    3. GWT dev
      HttpJspBase.service
      1. org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:92)
      1 frame
    4. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:809)
      1 frame
    5. GWT dev
      JspServlet.service
      1. org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:162)
      2. org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:240)
      3. org.apache.jasper.servlet.JspServlet.service(JspServlet.java:187)
      3 frames
    6. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:809)
      1 frame
    7. Glassfish Core
      ContainerBase.invoke
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:200)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:146)
      3. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:209)
      4. org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
      5. org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
      6. org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
      7. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:144)
      8. org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
      9. org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
      10. org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
      11. org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2358)
      12. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:133)
      13. org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
      14. org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:118)
      15. org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594)
      16. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:116)
      17. org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594)
      18. org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
      19. org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
      20. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:127)
      21. org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
      22. org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
      23. org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
      23 frames
    8. org.apache.coyote
      CoyoteAdapter.service
      1. org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:152)
      1 frame
    9. Grizzly HTTP
      TcpWorkerThread.runIt
      1. org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
      2. org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
      3. org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
      3 frames
    10. Tomcat Util
      ThreadPool$ControlRunnable.run
      1. org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
      1 frame
    11. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:534)
      1 frame