Jasper Report + iReport + NetBeans 4

[KirsonX]

Prueba este codigo que viene en los ejemplos de jasperreports

<%@ page errorPage="error.jsp" %>
<%@ page import="datasource.*" %>
<%@ page import="net.sf.jasperreports.engine.*" %>
<%@ page import="java.util.*" %>
<%@ page import="java.io.*" %>

<%
File reportFile = new File(application.getRealPath("/reports/WebappReport.jasper"));

Map parameters = new HashMap();
parameters.put("ReportTitle", "Address Report");
parameters.put("BaseDir", reportFile.getParentFile());

byte[] bytes =
JasperRunManager.runReportToPdf(
reportFile.getPath(),
parameters,
new WebappDataSource()
);

response.setContentType("application/pdf");
response.setContentLength(bytes.length);
ServletOutputStream ouputStream = response.getOutputStream();
ouputStream.write(bytes, 0, bytes.length);
ouputStream.flush();
ouputStream.close();
%>