Eclipse Plugin - Export: class not found

hi there,

I've written an eclipse plugin to browser JacORBs NamingService. It runs
without any problems when I start it in my
eclipse-development-environment (run...->Run as application..)
BUT
when I export the plugin with the export wizard (config below) to a
fresh eclipse installation with the plugin
(com.example.Helloworld_0.0.1.jar was copied into /plugins), it throws
the following exeption:

Unable to create view: Plug-in com.example.Helloworld was unable to load
class com.example.Helloworld.HelloWorldView.

Details:
java.lang.ClassNotFoundException: com.example.Helloworld.HelloWorldView
at
org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:403)
at
org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:350)
at
org.eclipse.osgi.framework.adaptor.core.AbstractClassLoader.loadClass(AbstractClassLoader.java:78
[and so on]


---
export wizard config:
ex. Dest.: Directory
Compiler Options:; both 1.4
Export options:
[x] Include src
(also tested without)
[x] Packages as jar
(also tested without jar)


Thanks
Christoph
.

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