Hi,
I'm work with one problematic report and he always throws a same exception when client JRE aren't equals of server. This is an RMI app and the exception only occours with this report.
Report
He is a simple report, however he have an barcode component, and I've used 2 implementations offerted by iReport 5.0.1 (Barbecue and Barcode4j) and both throwed the same exception:
java.rmi.UnmarshalException: error unmarshalling return; nested exception is:
java.io.InvalidClassException: javax.swing.JComponent; local class incompatible: stream classdesc serialVersionUID = -2790168081368361182, local class serialVersionUID = 5670834184508236790
at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:191)
at java.rmi.server.RemoteObjectInvocationHandler.invokeRemoteMethod(RemoteObjectInvocationHandler.java:194)
at java.rmi.server.RemoteObjectInvocationHandler.invoke(RemoteObjectInvocationHandler.java:148)
at $Proxy17.geraRelatorio(Unknown Source)
at base.gui.reports.ReportsPrinter.showReport(ReportsPrinter.java:151)
at base.gui.reports.ReportsPrinter.showReport(ReportsPrinter.java:139)
at jacad.gui.cadastros.curso.FrameCadastroPeriodoLetivo$30.executaAtividade(FrameCadastroPeriodoLetivo.java:1499)
at jdaap.gui.components.loader.Loader$1.doInBackground(Loader.java:70)
at jdaap.gui.components.loader.Loader$1.doInBackground(Loader.java:1)
at javax.swing.SwingWorker$1.call(SwingWorker.java:296)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at javax.swing.SwingWorker.run(SwingWorker.java:335)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:722)
Caused by: java.io.InvalidClassException: javax.swing.JComponent; local class incompatible: stream classdesc serialVersionUID = -2790168081368361182, local class serialVersionUID = 5670834184508236790
at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:604)
at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1601)
at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1514)
I'm don't know want do now, I've tryed all to fix this, I don't believe that error was caused by Java code because this app have +- 300 reports, and only this have a barcode. Follow a sample of Java code to call this report by RMI:
public JasperPrint executeReport(String reportFile,Map parameters) throws GenericException{ ,>
FileInputStream is=(FileInputStream) getReportFile(reportFile);
Connection conn=getConnection();
JasperPrint print = null;
try {
parameters.put("P_REPORTS_PATH", Application.getInstance().getReportsPath());
parameters.put(JRParameter.REPORT_LOCALE, new Locale("pt", "BR"));
print = JasperFillManager.fillReport(Application.getInstance().getReportsPath()+reportFile, parameters, conn);
} catch (JRException e1) {
e1.printStackTrace();
throw new GenericException(e1);
}
try{
conn.close();
}catch (Exception e){
e.printStackTrace();
}
return print;
}
Client side:
public void showReport(String reportFile, Map parameters) throws GenericException{
if (reportFile ==null)
throw new GenericException("Report file não pode ser nulo.");
ReportsManager rm;
try {
rm = (ReportsManager) FacadeFactoryLocal.newInstance(ReportsManager.class);
JasperPrint jasperPrint = rm.geraRelatorio(reportFile, parameters);
view(jasperPrint);
} catch (RemoteException e1) {
e1.printStackTrace();
throw new GenericException("Erro ao acessar o servidor para gerar o relatório.", e1.getStackTrace());
}
}
public static void view (final JasperPrint print) throws GenericException
{
if (print == null){
throw new GenericException("Nenhuma visualização do relatório foi informada.");
}
new SwingWorker() { ,>
@Override
protected Void doInBackground() throws Exception {
JFrame viewer = new JFrame("Visualização do Relatório"); //$NON-NLS-1$
viewer.setPreferredSize(new Dimension(800, 600));
viewer.setLocationRelativeTo(null);
JasperViewer jrViewer = new JasperViewer(print, true);
viewer.getContentPane().add(jrViewer.getContentPane());
new FrameConfig(viewer);
return null;
}
}.execute();
}
Someone have an solution for this ?
Thanks in advance.
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