There seems to be a bug in DWR 3.0.3 (haven’t checked previous versions).
For example, in my current application this works:
and this works:
but this results in a 404 error
I tried to submit a bug report to the DWR JIRA as well as the DWR mailing list, but I can’t seem to figure out how to do either. DWR documentation for submitting bugs is just a series of circular links that never actually explains how to submit anything, as far as I can tell.