Solved

Exception in Jasper Report while integrating of Jasper report with Struts

Posted on 2009-05-15
5
891 Views
Last Modified: 2013-11-24
I m getting the null value in         InputStream reportStream = getServlet().getServletConfig().getServletContext().getResourceAsStream("/reports/DbReport.jasper");
 While i integrate the jasper report with struts framework.

i have already the compile file with DbReport.jasper in report folder
i m attaching the DbReport.jasper file also..

please tell me why this exception and null value come

package net.ensode.jasperbook.struts;
import java.io.InputStream;
import java.sql.Connection;
import java.sql.DriverManager;
import java.util.HashMap;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import net.sf.jasperreports.engine.JasperCompileManager;
import net.sf.jasperreports.engine.JasperFillManager;
import net.sf.jasperreports.engine.JasperRunManager;
 
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
public class GenerateReportAction extends Action
{
public ActionForward execute(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response)
throws Exception
{
    Connection connection=null;
    ServletOutputStream servletOutputStream =response.getOutputStream();
 
    InputStream reportStream = getServlet().getServletConfig().getServletContext().getResourceAsStream("/reports/DbReport.jasper");
    
 
    System.out.println("ReportStream---------->>>>>>>>>>>>>>>>"+reportStream);
    response.setContentType("application/pdf");
 
     try{
           Class.forName("com.mysql.jdbc.Driver").newInstance();
           connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/ashu_db","root","mysql");
           System.out.println("After load Driver========================");
      
           JasperRunManager.runReportToPdfStream(reportStream,servletOutputStream, new HashMap(), connection);
        }catch(Exception e){
            e.printStackTrace();
        }
    finally{
      connection.close();
      servletOutputStream.flush();
      servletOutputStream.close();
    }
    return mapping.getInputForward();
    }
}

Open in new window

0
Comment
Question by:achitaley
  • 2
  • 2
5 Comments
 
LVL 12

Expert Comment

by:Gibu George
ID: 24394805
InputStream reportStream = getServlet().getServletConfig().getServletContext().getResourceAsStream(<request.getContextPath()+"/reports/DbReport.jasper");
0
 
LVL 12

Expert Comment

by:Gibu George
ID: 24394811
remove the < sign is a typo

InputStream reportStream = getServlet().getServletConfig().getServletContext().getResourceAsStream(request.getContextPath()+"/reports/DbReport.jasper");
0
 
LVL 86

Accepted Solution

by:
CEHJ earned 500 total points
ID: 24395091
Try
InputStream reportStream = new FileInputStream(request.getRealPath("/reports/DbReport.jasper"));

Open in new window

0
 
LVL 92

Expert Comment

by:objects
ID: 24400402
make sure your reports directory is inside your classes directory

0
 
LVL 86

Expert Comment

by:CEHJ
ID: 24571418
:-)
0

Featured Post

Master Your Team's Linux and Cloud Stack!

The average business loses $13.5M per year to ineffective training (per 1,000 employees). Keep ahead of the competition and combine in-person quality with online cost and flexibility by training with Linux Academy.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Title # Comments Views Activity
groupSum5 challenge 5 84
replace a word with other 1 44
hibernate example using maven 12 42
iterator/ListIterator approach 17 26
Go is an acronym of golang, is a programming language developed Google in 2007. Go is a new language that is mostly in the C family, with significant input from Pascal/Modula/Oberon family. Hence Go arisen as low-level language with fast compilation…
International Data Corporation (IDC) prognosticates that before the current the year gets over disbursing on IT framework products to be sent in cloud environs will be $37.1B.
Viewers learn about the third conditional statement “else if” and use it in an example program. Then additional information about conditional statements is provided, covering the topic thoroughly. Viewers learn about the third conditional statement …
This tutorial covers a step-by-step guide to install VisualVM launcher in eclipse.

776 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question