Solved

JasperFillManager fails to create output

Posted on 2015-02-24
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Last Modified: 2016-07-19
I'm trying to upgrade from Jasper Reports 5.5.1 to 6.0 but I can't get any output.  I'm running a standalone java application using compiled jrxml files.

I'm pretty sure it's a library I'm missing but I've gone through the documentation and I have all of the required libraries, so I'm not sure how to troubleshoot this further.

Also the program (at least in netbeans) runs through code in an unexpected fashion that I also can't figure out.

First here are the libraries that are included in the project.
List of librariesHere is the sample code where it fails.
    public static JasperPrint fillReport(String filename, JRParDataSource jrds,
            HashMap<String, Object> parameters) throws JRException {

     JasperPrint jasperPrint = null;
     jasperPrint = JasperFillManager.fillReport(filename, parameters,
                        jrds);
       return jasperPrint;
    }

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The program runs the fillReport line but never hits the return jasperPrint line.

Here is the calling routine

    public static void saveJasperPrint(String jasperPath, String jasperFilename,
            String filename, HashMap<String, Object> parameters, JRParDataSource jrds)
            throws JRException {
        jasperPath = FileEx.makePathname(jasperPath, jasperFilename, true);
        jasperPath += ".jasper";

        // create jasperPrint
        JasperPrint jasperPrint = null;
        jasperPrint = fillReport(jasperPath, jrds, parameters);
        // save report
        saveReport(jasperPrint, new File(filename));
    }

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After calling fillReport it never returns to run saveReport

And finally the top level caller.
try {   //other code in here
    setProgress(0);
    for (nDone=0; nDone< nTotal; nDone++) {  
             try {
                    // Add current user id to filename to prevent getting
                    // mixed up with someone else's report.
                        ReportFileIO.saveJasperPrint(criteria.getReportType().filename,
                            criteria.getFilename() + "." + user, parameters, jrds);
                } catch (JRException e) {
                    errors.add(BusinessConstants.dataCentreName + ": Unable to create jasperPrint for " +
                            criteria.getFilename());
                    break;
                }
            }
       }
        catch (Exception e) {
            errors.add(e.getMessage() + "\n" + Trace.printTrace(e));
        } finally {
            setProgress(100);
            return errors.isEmpty() ? null : errors;
        }

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The call to saveJasperPrint happens and the return goes directly to the finally statement without being caught in any of the exception handlers.  

So I'm not sure how to resolve this problem.
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Question by:geekdad1
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6 Comments
 
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Expert Comment

by:krakatoa
ID: 40628971
The program runs the fillReport line but never hits the return jasperPrint line.

How do you know that?
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Author Comment

by:geekdad1
ID: 40629249
Running in debug mode under netbeans 7.0  I reach the breakpoint at  fillReport but single stepping from that statement goes right to the finally statement in the top level calling program.
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LVL 16

Expert Comment

by:krakatoa
ID: 40629368
Well from what I see of the API for this, the JasperFillManager.fillReport() methods with 3 args seem to take the Map params as the last argument - maybe you want to check this, iianm. But I could be wrong as I don't do Jasper.
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LVL 1

Author Comment

by:geekdad1
ID: 40629518
This is a working application (at least it was until I tried to upgrade jasper), so I'm quite sure the arguments to the function are fine.
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Accepted Solution

by:
geekdad1 earned 0 total points
ID: 41711411
Closing this as it's too old.
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Author Closing Comment

by:geekdad1
ID: 41718751
Moved on to other problems.  No longer an issue
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