1. Switch from Editing to Browsing and to others.
2.Then switch back to Editing and to Browsing again.
3. New switch throws exception and it is not possible to switch from Editing to Browsing longer.
It is possible to switch to Browsing from another workspace, but then Explorer is gray.
Using HotSpot 1.0.1 JDK 1.2.2 on NT4