steckis fzas

Hi,
I compiled the *.jrxml files so now i Have RelAlunos.jasper and RelAlunosDisciplinas.jasper.
Here`s my
example changed

But now I get this errors

Exception in thread "main" java.lang.NullPointerException at java.io.ObjectInputStream$PeekInputStream.read(ObjectInputStream.java:2222) at java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2235) at java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:2703) at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:760) at java.io.ObjectInputStream.<init>(ObjectInputStream.java:278) at net.sf.jasperreports.engine.util.JRLoader.loadObject(JRLoader.java:191) at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:580) at com.GeraRelatorio.<init>(GeraRelatorio.java:33) at com.GeraRelatorio.main(GeraRelatorio.java:41) Java Result: 1

:S

[ August 04, 2007: Message edited by: steckis fzas ]
[ August 04, 2007: Message edited by: steckis fzas ]

Hi all
Im trying code posted in this url:
Myexample

when i execute it i get the following error messages

It buils report with detail from an arraylist


Exception in thread "main" net.sf.jasperreports.engine.JRException: Error loading object from file : D:\PruebaJasper\RelAlunosDisciplinas.jrxml at net.sf.jasperreports.engine.util.JRLoader.loadObject(JRLoader.java:92) at net.sf.jasperreports.engine.util.JRLoader.loadObjectFromLocation(JRLoader.java:257) at net.sf.jasperreports.engine.fill.JRFillSubreport.evaluateSubreport(JRFillSubreport.java:311) at net.sf.jasperreports.engine.fill.JRFillSubreport.evaluate(JRFillSubreport.java:260) at net.sf.jasperreports.engine.fill.JRFillElementContainer.evaluate(JRFillElementContainer.java:274) at net.sf.jasperreports.engine.fill.JRFillBand.evaluate(JRFillBand.java:403) at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillColumnBand(JRVerticalFiller.java:1346) at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillDetail(JRVerticalFiller.java:662) at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillReportStart(JRVerticalFiller.java:232) at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillReport(JRVerticalFiller.java:113) at net.sf.jasperreports.engine.fill.JRBaseFiller.fill(JRBaseFiller.java:763) at net.sf.jasperreports.engine.fill.JRBaseFiller.fill(JRBaseFiller.java:688) at net.sf.jasperreports.engine.fill.JRFiller.fillReport(JRFiller.java:89) at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:601) at com.GeraRelatorio.<init>(GeraRelatorio.java:36) at com.GeraRelatorio.main(GeraRelatorio.java:42) Caused by: java.io.StreamCorruptedException: invalid stream header at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:763) at java.io.ObjectInputStream.<init>(ObjectInputStream.java:278) at net.sf.jasperreports.engine.util.JRLoader.loadObject(JRLoader.java:87) ... 15 more Java Result: 1

Any Help??? Please