Connection con = getConnection();
                         Statement stm = con.createStatement();
                         String query = "select nazva, password from users";     
                         ResultSet rs = stm.executeQuery(query);
                         JRResultSetDataSource jrRS = new JRResultSetDataSource( rs );
                         FileInputStream file = new FileInputStream(reportNames + ".jasper");
                         System.out.println("loading report.. file read "+file.available());

                         JasperReport jasperReport = (JasperReport) JRLoader.loadObject(file);
                         System.out.println("Successfully created jasper report");
                         
                         JasperPrint jasperPrint = JasperFillManager.fillReport(jasperReport,null,con);
                         System.out.println("Successfully created jasperprint object");
                         JasperViewer.viewReport(jasperPrint,false);

loading report.. file read  14782 
Successfully created jasper report
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/сollections/ReferenceMap
        at net.sf.jasperreports.engine.design.JRAbstractJavaCompiler.<clinit>(JRAbstractJavaCompiler.java: 59 )
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstruct
orAccessorImpl.java: 39 )
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingC
onstructorAccessorImpl.java: 27 )
        at java.lang.reflect.Constructor.newInstance(Constructor.java: 274 )
        at java.lang.Class.newInstance0(Class.java: 308 )
        at java.lang.Class.newInstance(Class.java: 261 )
        at net.sf.jasperreports.engine.design.JRDefaultCompiler.getCompiler(JRDefaultCompiler.java: 178 )
        at net.sf.jasperreports.engine.design.JRDefaultCompiler.loadEvaluator(JRDefaultCompiler.java: 193 )
        at net.sf.jasperreports.engine.fill.JRFillDataset.createCalculator(JRFillDataset.java: 383 )
        at net.sf.jasperreports.engine.fill.JRBaseFiller.<init>(JRBaseFiller.java: 443 )
        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: 113 )
        at net.sf.jasperreports.engine.fill.JRFiller.fillReport(JRFiller.java: 57 )
        at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java: 247 )
        at JasperRoman.main(JasperRoman.java: 117 )