Found that in one of the jars in my classpath a whole copy of an old version of Guava was embedded resulting in these strange errors.....--
You received this message because you are subscribed to the Google Groups "GWT Users" group.
To unsubscribe from this group and stop receiving emails from it, send an email to email@example.com.
To post to this group, send email to firstname.lastname@example.org.
Visit this group at https://groups.google.com/group/google-web-toolkit.
For more options, visit https://groups.google.com/d/optout.