[news.eclipse.birt] Birt 2.3.1 Design Engine - Unable to get sample repo

[shellie.wedman@xxxxxxxxx (shellie )]

When I run the simpleCreate.java I get the following error when this line 
is executed.  I'm using the birt-runtime-2_3_1/ReportEngine.


design.saveAs( "c:/temp/sample.rptdesign" ); 
	
-------------------

Exception in thread "main" java.lang.NoClassDefFoundError: 
org/apache/commons/codec/binary/Base64
	at 
org.eclipse.birt.report.model.writer.ModuleWriter.<clinit>(ModuleWriter.java:231)
	at 
org.eclipse.birt.report.model.elements.ReportDesign.getWriter(ReportDesign.java:205)
	at 
org.eclipse.birt.report.model.api.ModuleHandle.save(ModuleHandle.java:1539)
	at 
org.eclipse.birt.report.model.api.ModuleHandle.saveAs(ModuleHandle.java:1559)
	at com.sparta.workbench.report.DeDemo.buildReport(DeDemo.java:242)
	at com.sparta.workbench.report.DeDemo.main(DeDemo.java:154)
Caused by: java.lang.ClassNotFoundException: 
org.apache.commons.codec.binary.Base64
	at java.net.URLClassLoader$1.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at java.lang.ClassLoader.loadClassInternal(Unknown Source)
	... 6 more


ideas?