Problem: failed to create task or type p2.publish.featuresAndBundles
Cause: The name is undefined.
Action: Check the spelling.
Action: Check that any custom tasks/types have been declared.
Action: Check that any <presetdef>/<macrodef> declarations have taken place.
I can see that the publisher-ant.jar is in the contributed entries in
the preference dialog. I even tried to add it manually to the launch
classpath dialog, without success.