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having problems to generate pdf in struts app


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By: Honghai Zhang - haroldzhang

having problems to generate pdf in struts app

2003-12-09 09:55

Hi,

 

I want to use jasper reports to generate pdf in a struts action class.

Here is the code segment

//////////////////////////////////////////////////////

try {

JasperCompileManager.compileReportToFile(fileName + ".xml");

Map parameters = new HashMap();

JasperRunManager.runReportToPdfFile(fileName + ".jasper", parameters, new JREmptyDataSource());

_log.debug("fileName: " + fileName + ".xml");

}

catch (JRException e) {

e.printStackTrace();

}

 

try {

// hard coded for demo

InputStream content = new FileInputStream(fileName + ".pdf");

 

// XXX Need to buffer this a little.

int b;

while( (b = content.read()) != -1 ) {

outputStream.write( b );

}

 

content.close();

} catch( java.io.IOException e ) {

_log.error( "error", e );

//////////////////////////////////////////////////////////

 

 

I got the following error message when I try to generate a pdf file use this struts app after I deployed it in weblogic server 6.1. Note: Although I can use jasper reports to do the same when I run it as an stand alone java app.

 

//////////////////////////////////////////////////////////

dori.jasper.engine.JRException: Errors were encountered when compiling report expressions class file:

/export/home/weblogic/config/hzhang/SalesOrder.java:4: package dori.jasper.engine does not exist

import dori.jasper.engine.*;

^

/export/home/weblogic/config/hzhang/SalesOrder.java:5: package dori.jasper.engine.fill does not exist

import dori.jasper.engine.fill.*;

^

/export/home/weblogic/config/hzhang/SalesOrder.java:17: cannot resolve symbol

symbol : class JRCalculator

location: class SalesOrder

public class SalesOrder extends JRCalculator

^

/export/home/weblogic/config/hzhang/SalesOrder.java:24: cannot resolve symbol

symbol : class JRFillParameter

location: class SalesOrder

private JRFillParameter parameter_REPORT_CONNECTION = null;

//////////////////////////////////////////////////////////

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