It has to be in classpath. There are several jars required. See my previous post with full command line of how to run it
. It works for me.

John Lawniczak wrote:
> I Am trying to run and compile a java app using SWT, from the shell, instead of momentics.
> 
> I am using the vm from eclipse with the Sun's lib files, where i have put SWT.jar into the same lib path. However when
 I run my app where it just instantiates a Shell, I get the error: 
> noClassDefFoundError: org/eclipse/swt/widgets/Shell 
> But when I just import the class but not instantiate a Shell, I dont get the error.
> I have looked through swt.jar and it appears to exist in the file. How do I make the VM recognize the class? Or do I 
have a bigger problem?
> 
> _______________________________________________
> General
> http://community.qnx.com/sf/go/post21332
>