I missed an important bit:

Caused by: org.apache.pivot.wtk.ThemeNotFoundException: A theme could not be 
located.
        at org.apache.pivot.wtk.Theme.<clinit>(Theme.java:76)

On Thu, 29 Apr 2010 11:50:21 am Scott Lanham wrote:
> Hello,
> 
> I am dynamically loading a pivot (1.4) app  from a basic "launcher" app
>  using URLClassLoader. It is throwing the exception detailed below. I was
>  wondering if anyone has had experience with this kind of problem?
> 
> If you are wondering why I would do such a crazy thing, it is all in the
>  name of auto-updating the app in Windows ( without using webstart ).
> 
> Thanks,
> 
> Scott.
> 
> Exception in thread "AWT-EventQueue-0"
>  java.lang.ExceptionInInitializerError at
>  org.apache.pivot.wtk.Component.installThemeSkin(Component.java:737) at
>  org.apache.pivot.wtk.Window.<init>(Window.java:393)
>         at org.apache.pivot.wtk.Window.<init>(Window.java:388)
>         at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> Method)
>         at
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAcce
> ssorImpl.java:39) at
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstru
> ctorAccessorImpl.java:27) at
>  java.lang.reflect.Constructor.newInstance(Constructor.java:513) at
>  java.lang.Class.newInstance0(Class.java:355)
>         at java.lang.Class.newInstance(Class.java:308)
>         at
> org.apache.pivot.wtkx.WTKXSerializer.processStartElement(WTKXSerializer.jav
> a:617) at
> org.apache.pivot.wtkx.WTKXSerializer.readObject(WTKXSerializer.java:449)
>         at
> org.apache.pivot.wtkx.WTKXSerializer.readObject(WTKXSerializer.java:405)
>         at
> org.apache.pivot.wtkx.WTKXSerializer.readObject(WTKXSerializer.java:392)
>         at
> org.apache.pivot.wtkx.WTKXSerializer.readObject(WTKXSerializer.java:379)
> 

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