See my code that no me error after complied but not give me pdf result and

Question

hi master
sir i use this code for create the pdf
ExternalContext econtext = getExternalContext();
InputStream stream = econtext.getResourceAsStream(PREFIX);
try {
JRResultSetDataSource mcon = new JRResultSetDataSource(getSessionBean1().getChartofaccRowSet());
JasperPrint jasperPrint = null;
jasperPrint = JasperFillManager.fillReport(stream, null, mcon);
JRExporter exporter = null;
HttpServletResponse response = (HttpServletResponse)econtext.getResponse();
FacesContext fcontext = FacesContext.getCurrentInstance();
exporter = new JRPdfExporter();
exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);
exporter.setParameter(JRExporterParameter.OUTPUT_STREAM,
response.getOutputStream());
exporter.exportReport();
fcontext.responseComplete();
} catch (Exception ex) {
log(" Error Description" , ex);
error("Error counting rows: " + ex.getMessage() );
error("Error counting rows: " + ex ); }
sir this code not give any error but also not create /display the pdf
i try to find the where problem occurred i get textfiled and send some value after one by one line
like is this
first time try
JRResultSetDataSource mcon = new JRResultSetDataSource(getSessionBean1().getChartofaccRowSet());
textField2.setValue(PREFIX);
is given me right result and show /WEB-INF/reports/mfa.jasper in textfield2
second time
jasperPrint = JasperFillManager.fillReport(stream, null, mcon);
          textField2.setValue(PREFIX);
when i press button second time this time page not give me result in textfield2 and show blank it means
only this line have error but what i could not foud out jasperPrint = JasperFillManager.fillReport(stream, null, mcon);
use see my code and give me idea or solution of my problem
thank�s
aamir

Answer 1

I found and easier way to do it and wrote it up here: http://developers.sun.com/jscreator/learning/tutorials/2/reports.html