Java EE (Java Enterprise Edition) General Discussion

Hi, all
I'm trying to create a report using Jasper Report. I already add the needed files into net bean classpath. And the compile task is successful. However when I run it, i meet the following message. And my app stucks there.

net.sf.jasperreports.engine.JRException: Error compiling report java source files : C:\HuongLT\Misc\JavaApplication2\HelloReportWorld_1167289263828_654764.java
at net.sf.jasperreports.engine.design.JRJavacCompiler.compileClasses(JRJavacCompiler.java:93)
at net.sf.jasperreports.engine.design.JRAbstractClassCompiler.compileUnits(JRAbstractClassCompiler.java:67)
at net.sf.jasperreports.engine.design.JRAbstractCompiler.compileReport(JRAbstractCompiler.java:190)
at net.sf.jasperreports.engine.design.JRDefaultCompiler.compileReport(JRDefaultCompiler.java:105)
at net.sf.jasperreports.engine.JasperCompileManager.compileReport(JasperCompileManager.java:211)
at net.sf.jasperreports.engine.JasperCompileManager.compileReport(JasperCompileManager.java:144)
at javaapplication2.Main.main(Main.java:44)
Caused by: java.io.IOException: CreateProcess: javac -classpath "C:\Documents and Settings\Administrator\Desktop\jasperreports-1.2.8.jar;C:\Documents and Settings\Administrator\Desktop\commons-digester-1.8.jar;C:\Documents and Settings\Administrator\Desktop\commons-collections-3.2.jar;C:\Documents and Settings\Administrator\Desktop\commons-logging-1.1.jar;C:\Documents and Settings\Administrator\Desktop\commons-beanutils.jar;C:\HuongLT\Misc\JavaApplication2\build\classes" C:\HuongLT\Misc\JavaApplication2\HelloReportWorld_1167289263828_654764.java error=2
at java.lang.ProcessImpl.create(Native Method)
at java.lang.ProcessImpl.<init>(ProcessImpl.java:81)
at java.lang.ProcessImpl.start(ProcessImpl.java:30)
at java.lang.ProcessBuilder.start(ProcessBuilder.java:451)
at java.lang.Runtime.exec(Runtime.java:591)
at java.lang.Runtime.exec(Runtime.java:464)
at net.sf.jasperreports.engine.design.JRJavacCompiler.compileClasses(JRJavacCompiler.java:62)
... 6 more

Please help me.
I appreciate very much for your help