[news.eclipse.platform] Re: Class Loader failing from PreferenceNode.cre

[Michael Megliola <michael.megliola@xxxxxxxxx>]

I have made that mistake before... :)

The plug-in loads and runs fine, the Error Log is clear, the problem
occurs when I invoke code that attempts to display a PreferenceDialog.

I might have something funny in build configuration... am looking at
that now.



Walter Harley wrote:
> "Michael Megliola" <michael.megliola@xxxxxxxxx> wrote in message 
> news:eqqbc0$udi$1@xxxxxxxxxxxxxxxxxxxx
> > Hi,
> >
> > I am having trouble getting Eclipse to load a class by name.
> >
> > I implemented a FieldEditorPreferencePage (called ArmPreferencePage).
> >
> > Eclipse's class org.eclipse.jface.preference.PreferenceNode attempts
> > to load my class at runtime (within PreferenceNode.createObject()),
> > as part of the load sequence to display a PreferenceDialog that is
> > specific to my-plugin.
> >
> > Eclipse fails with a ClassNotFoundException (@ PreferenceNode:161)
> >
> > I exported the relevant package in my manifest.mf (below), I also
> > tried a variety of eclipse-buddy settings... although that seems like
> > it should not be needed for Eclipse to find my plug-in.
> >
> > ...any idea what I need to do to make my class visible to Eclipse
> > at runtime?
>
>
> Explore the possibility that it's not actually a CNFE under the covers. 
> Make sure that your plug-in's Activator is actually getting called and 
> succeeding (ie, not throwing an exception).  I might be mistaken but I think 
> I've seen plug-in startup failures show up as CNFEs to the calling code.