ClassNotFoundException when instantiating an eclipse plugin

Question

I developed an eclipse plugin and I\'m trying to install it on another instance of eclipse. When I run/debug my plugin as an eclipse application everything works correctly. The

Answer 1

When you create a plugin other plugins can only access the classes in packages declared in the Export-Package section of the Manifest.mf. Open the plugin.xml editor and look at the 'Runtime' tab - it needs to have your package listed. Something like this: