net.sf.jasperreports.engine.JRException: Errors were encountered when compiling report expressions class file: See error messages above. ApplicationDispatcher[/SGP] Servlet.service() for servlet jsp threw exception java.lang.NullPointerException

Oracle Community | 807581 | 9 years ago
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    Error JasperReport.....It does not find the library

    Oracle Community | 9 years ago | 807581
    net.sf.jasperreports.engine.JRException: Errors were encountered when compiling report expressions class file: See error messages above. ApplicationDispatcher[/SGP] Servlet.service() for servlet jsp threw exception java.lang.NullPointerException

    Root Cause Analysis

    1. net.sf.jasperreports.engine.JRException

      Errors were encountered when compiling report expressions class file: See error messages above. ApplicationDispatcher[/SGP] Servlet.service() for servlet jsp threw exception java.lang.NullPointerException

      at org.apache.jsp.erros.general_jsp._jspService()
    2. org.apache.jsp
      general_jsp._jspService
      1. org.apache.jsp.erros.general_jsp._jspService(general_jsp.java:38)
      1 frame
    3. GWT dev
      HttpJspBase.service
      1. org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:111)
      1 frame
    4. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
      1 frame
    5. GWT dev
      JspServlet.service
      1. org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:353)
      2. org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:412)
      3. org.apache.jasper.servlet.JspServlet.service(JspServlet.java:318)
      3 frames
    6. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
      1 frame
    7. Glassfish Core
      ApplicationDispatcher.forward
      1. org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:397)
      2. org.apache.catalina.core.ApplicationDispatcher.doInvoke(ApplicationDispatcher.java:850)
      3. org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:697)
      4. org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:532)
      5. org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:465)
      6. org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:353)
      6 frames
    8. struts
      ActionServlet.doPost
      1. org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1085)
      2. org.apache.struts.tiles.TilesRequestProcessor.doForward(TilesRequestProcessor.java:263)
      3. org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:398)
      4. org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(TilesRequestProcessor.java:318)
      5. org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:241)
      6. org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
      7. org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
      7 frames
    9. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
      2. javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
      2 frames
    10. Glassfish Core
      StandardPipeline.doInvoke
      1. org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:397)
      2. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:278)
      3. org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566)
      4. org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:536)
      5. org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:240)
      6. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:179)
      7. org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566)
      7 frames
    11. Glassfish
      WebPipeline.invoke
      1. com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:73)
      1 frame
    12. Glassfish Core
      StandardPipeline.doInvoke
      1. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:182)
      2. org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566)
      2 frames
    13. Glassfish
      VirtualServerPipeline.invoke
      1. com.sun.enterprise.web.VirtualServerPipeline.invoke(VirtualServerPipeline.java:120)
      1 frame
    14. Glassfish Core
      ContainerBase.invoke
      1. org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:939)
      2. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:137)
      3. org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566)
      4. org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:536)
      5. org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:939)
      5 frames
    15. org.apache.coyote
      CoyoteAdapter.service
      1. org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:239)
      1 frame
    16. Glassfish Core
      WorkerThread.run
      1. com.sun.enterprise.web.connector.grizzly.ProcessorTask.invokeAdapter(ProcessorTask.java:667)
      2. com.sun.enterprise.web.connector.grizzly.ProcessorTask.processNonBlocked(ProcessorTask.java:574)
      3. com.sun.enterprise.web.connector.grizzly.ProcessorTask.process(ProcessorTask.java:844)
      4. com.sun.enterprise.web.connector.grizzly.ReadTask.executeProcessorTask(ReadTask.java:287)
      5. com.sun.enterprise.web.connector.grizzly.ReadTask.doTask(ReadTask.java:212)
      6. com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:252)
      7. com.sun.enterprise.web.connector.grizzly.WorkerThread.run(WorkerThread.java:75)
      7 frames