Java EE (Java Enterprise Edition) General Discussion

I using jasperreports to generate reports from database

My java application is giving this rather gibberish error message.






Microsoft Windows [Version 5.2.3790]
(C) Copyright 1985-2003 Microsoft Corp.

C:\Documents and Settings\sandile>cd \

C:\>cd celsoft\reports

C:\celsoft\reports>javac nelson.java

C:\celsoft\reports>java nelson
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/co
llections/ArrayStack
at org.apache.commons.digester.Digester.<init>(Digester.java:189)
at net.sf.jasperreports.engine.xml.JRXmlDigester.<init>(JRXmlDigester.ja
va:64)
at net.sf.jasperreports.engine.xml.JRXmlDigesterFactory.createDigester(J
RXmlDigesterFactory.java:295)
at net.sf.jasperreports.engine.xml.JRXmlLoader.load(JRXmlLoader.java:330
)
at net.sf.jasperreports.engine.xml.JRXmlLoader.load(JRXmlLoader.java:295
)
at net.sf.jasperreports.engine.xml.JRXmlLoader.load(JRXmlLoader.java:279
)
at nelson.main(nelson.java:34)

C:\celsoft\reports>



I looked for ArrayStack every where I could not find any!
I also included Digester.jar in my classpath.

Please help!