That look like exactly what I need.
This will be a 'production' url we use to debug the issue and then re-deploy the 'real' build once we have stepped the code and found the offending null point.
Nice to know about the stack trace.
Thank you very much for the very detailed reply.
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.