Please please help, What is crystaldecisions.reports.reportengineinterface.JPEReportSource?

Question

Post Author: emmy
CA Forum: Crystal Reports
Hi All,
    I'm new in Crystal Report, I'm using Crystal Report 11 with Release 2, Eclipse3.2.1 MyFace1.1, when i link into a page and use a bean to show a project template, it all successful, but when i press "Back" in my browser tool bar and try to link into this page again, it show me error message followed:
type Exception report message  description The server encountered an internal error () that prevented it from fulfilling this request. exception  javax.servlet.ServletException: Bean: com.crystaldecisions.reports.reportengineinterface.JPEReportSource, property: signInjavax.faces.webapp.FacesServlet.service(FacesServlet.java:152)org.apache.myfaces.webapp.MyFacesServlet.service(MyFacesServlet.java:74)  root cause  javax.faces.el.PropertyNotFoundException: Bean: com.crystaldecisions.reports.reportengineinterface.JPEReportSource, property: signInorg.apache.myfaces.el.PropertyResolverImpl.getPropertyDescriptor(PropertyResolverImpl.java:483)org.apache.myfaces.el.PropertyResolverImpl.getPropertyDescriptor(PropertyResolverImpl.java:454)org.apache.myfaces.el.PropertyResolverImpl.getProperty(PropertyResolverImpl.java:417)org.apache.myfaces.el.PropertyResolverImpl.getValue(PropertyResolverImpl.java:82)org.apache.myfaces.el.ELParserHelper$MyPropertySuffix.evaluate(ELParserHelper.java:532)org.apache.commons.el.ComplexValue.evaluate(ComplexValue.java:145)org.apache.myfaces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:383)javax.faces.component.UIOutput.getValue(UIOutput.java:77)javax.faces.component.UIInput.validate(UIInput.java:357)javax.faces.component.UIInput.processValidators(UIInput.java:183)javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:624)javax.faces.component.UIForm.processValidators(UIForm.java:70)javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:624)javax.faces.component.UIViewRoot.processValidators(UIViewRoot.java:146)org.apache.myfaces.lifecycle.LifecycleImpl.processValidations(LifecycleImpl.java:262)org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:76)javax.faces.webapp.FacesServlet.service(FacesServlet.java:137)org.apache.myfaces.webapp.MyFacesServlet.service(MyFacesServlet.java:74)
and its my original beanimport java.util.Map;
import javax.faces.context.ExternalContext;
import javax.faces.context.FacesContext;
import com.crystaldecisions.reports.sdk.ParameterFieldController;
import com.crystaldecisions.reports.sdk.ReportClientDocument;
import com.crystaldecisions.sdk.occa.report.lib.ReportSDKException;
public class LIC3360{
     private String licenseNum="0009/K/2005";
     private String signIn="nonvice";
     final String USER = "USER";
     final String PASSWORD = "PASSWORD";
     public String getLicenseNum() {
          return licenseNum;
     public void setLicenseNum(String licenseNum) {
          this.licenseNum = licenseNum;
     public String getSignIn() {
          return signIn;
     public void setSignIn(String signIn) {
          this.signIn = signIn;
     public String postMe(){
          String reportType ="LIC3360";
          String postLicenseNum = this.licenseNum;
          String postSingIn = this.signIn;
          FacesContext context = FacesContext.getCurrentInstance();
          ExternalContext app = context.getExternalContext();
          Map<Object, Object> sessionMap = app.getSessionMap();
          ReportClientDocument reportClientDoc = new ReportClientDocument();
          try{
               reportClientDoc.open(reportType + ".rpt", 0);
               ParameterFieldController paramFieldController = reportClientDoc.getDataDefController().getParameterFieldController();
               paramFieldController.setCurrentValue("", "@lic_num", postLicenseNum);
               paramFieldController.setCurrentValue("", "@person", postSingIn);
               //set final
               reportClientDoc.getDatabaseController().logon(USER, PASSWORD);
               sessionMap.put("reportType", reportType);
               sessionMap.put(reportType, reportClientDoc.getReportSource());
             return "post";
     catch(ReportSDKException e){
          System.out.println("ReportSDKException!!!!!!!");
     catch(Exception e){
          System.out.println("Other Exception!!!!!!!");
     return "post";
note The full stack trace of the root cause is available in the Apache Tomcat/5.5.20 logs.I'm really don't understand, I didn't have a bean call com.crystaldecisions.reports.reportengineinterface.JPEReportSource, how come it appear and own some property in my orginal bean, would anyone please help me. Thank you so much

Answer 1

Post Author: emmy
CA Forum: Crystal Reports
hi, anyone have any idea