java.lang.NullPointerException

Oracle Community | 807594 | 1 decade ago
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    having problem trying to configure tomcat, mysql.

    Oracle Community | 1 decade ago | 807594
    java.lang.NullPointerException

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at dbUtil.dbMember.selectMemMaxId()
    2. dbUtil
      dbMember.selectMemMaxId
      1. dbUtil.dbMember.selectMemMaxId(dbMember.java:412)
      1 frame
    3. org.apache.jsp
      ProcessReg_jsp._jspService
      1. org.apache.jsp.ProcessReg_jsp._jspService(ProcessReg_jsp.java:144)
      1 frame
    4. GWT dev
      HttpJspBase.service
      1. org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:137)
      1 frame
    5. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
      1 frame
    6. GWT dev
      JspServlet.service
      1. org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:204)
      2. org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
      3. org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
      3 frames
    7. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
      1 frame
    8. Glassfish Core
      ContainerBase.invoke
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
      3. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:260)
      4. org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
      5. org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
      6. org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
      7. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
      8. org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
      9. org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
      10. org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
      11. org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2415)
      12. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
      13. org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
      14. org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
      15. org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
      16. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
      17. org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
      18. org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
      19. org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
      20. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
      21. org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
      22. org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
      23. org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
      23 frames
    9. org.apache.coyote
      CoyoteAdapter.service
      1. org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
      1 frame
    10. Grizzly HTTP
      TcpWorkerThread.runIt
      1. org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:432)
      2. org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:386)
      3. org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:534)
      3 frames
    11. Tomcat Util
      ThreadPool$ControlRunnable.run
      1. org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:530)
      1 frame
    12. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:536)
      1 frame