TaxonomicEditor Caveats¶

• Table of contents
• TaxonomicEditor Caveats
  • Unability to update disposed widgets
    • Exception:
    • Reason:
    • Solution:
• What to do when the editor won't start
  • The bundle could not be resolved. Reason: Missing Constraint ...
  • The bundle fails to load its classes

Unability to update disposed widgets¶

Exception:¶

org.eclipse.swt.SWTException: Widget is disposed

when updating widgets with a DataChangeBehaviour

Reason:¶

A widget that previously registered for data changes via ConversationHolder.registerForDataChanges() did not unregister itself properly while disposing.

Solution:¶

Make sure you have implemented dispose correctly.

Example:

public void dispose() {
   conversation.unregisterForDataStoreChanges(this);
   super.dispose();
}

What to do when the editor won't start¶

First of all, read this webpage: http://www.eclipsezone.com/eclipse/forums/t99010.html. A lot is explained there about how to start the osgi console, add extra options to an eclipse application that will provide more feedback.

The bundle could not be resolved. Reason: Missing Constraint ...¶

In the Launch Configuration for your editor, choose the Plug-Ins tab and do the "Deselect All" -> "Add Required Plug-Ins" magic. Or proceed as in the srticle mentioned above.

The bundle fails to load its classes¶

Try adding a BundleActivator to the respective bundle.