Using the autocomplete widget trying to find a document in the relation tab is extremly slow, and most of the time does not provide a result
The postmaster process goes up to 100%
Of course, the search process keeps running in background leading to this kind of error
"Votre demande n'a pas été prise en compte, car vous avez déjà une requête en cours de traitement, merci de patienter."
The same search in the quick search widget behaves normally (from 1 to 5 seconds depending on server load)
There is some trace in the log about a Malformed security token : http://pastebin.com/wKC8wnXs
I'm running Nuxeo 5.8.