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[Jasper Reports 1.2.5 on Jboss 4] Errors


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I have written a small j2ee app using Jasper Reports and servlets that I am trying to deploy on JBoss 4.0.3SP1.



The Jasper jars I am using are:












The app starts up fine but when I try to use the JasperFillManager in my code to fill the report I get the following error:




java.lang.ClassCastException: net.sf.jasperreports.engine.design.JRJavacCompiler

at net.sf.jasperreports.engine.design.JRDefaultCompiler.getCompiler(JRDefaultCompiler.java:201)

at net.sf.jasperreports.engine.design.JRDefaultCompiler.loadEvaluator(JRDefaultCompiler.java:216)

at net.sf.jasperreports.engine.fill.JRFillDataset.createCalculator(JRFillDataset.java:402)

at net.sf.jasperreports.engine.fill.JRBaseFiller.<init>(JRBaseFiller.java:350)

at net.sf.jasperreports.engine.fill.JRVerticalFiller.<init>(JRVerticalFiller.java:92)

at net.sf.jasperreports.engine.fill.JRVerticalFiller.<init>(JRVerticalFiller.java:74)

at net.sf.jasperreports.engine.fill.JRFiller.createFiller(JRFiller.java:147)

at net.sf.jasperreports.engine.fill.JRFiller.fillReport(JRFiller.java:83)

at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:601)




My pdf gen code looks like this:


File reportFile = null;

JasperPrint jasperPrint = null;


reportFile = new File(getLocations(). getReportLocation(NamesOfReports.QUOTATION_REPORT));


JasperReport jasperReport = (JasperReport)JRLoader.loadObject(reportFile.getPath());


Map parameters = new HashMap();


jasperPrint = JasperFillManager.fillReport(jasperReport, parameters, new QuotationDataSource());


byte[] bytes = JasperExportManager.exportReportToPdf(jasperPrint);







Any ideas?


Many thanks


Post edited by: Scott, at: 2006/08/14 10:12

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This problem relates to class path issues.


I fixed this by moving the jars I listed in the original post, to the jboss/server/default/lib folder.


I then removed those jars from the .war and .ear and also remove all entries related to these jars from the respective manifest entries.


This works for applications packaged as .ear j2ee apps.

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