On the publish server, are you able to reproduce the issue, when you
bypass the dispatcher(i.e., access the publish server using its host &
port directly)?a) If not, then enable DEBUG logging for dispatcher, and
see which filter is blocking the request. You can then allow this
request to go through dispatcher. b) If it's still reproducible,
invalidate cache & rebuild clientlibs via File System, as per [1], clear
all browser cache & cookies, close all browser tabs & windows, open a
new one in Inc...