@mtnygard I have defning only /*, however when I request / it doesn't work. I have to have something /index for it to work. Ah, I'm working on a SPA, I don't setup server rendering yet. For now, I would like to forward all others request to the client so the javascript will take care of the routing for me.

error-dispatch core.match is based on (ex-data ex) and captures :exception for which there is no mentioning on documentation or test of error-dispatch

I ve got this notes on my error-dispatch: note that match and as a consequence guard is based on (ex-data ex) so inside guard you can skip (ex-data ex) and go straight for (:exception %) which is one of the fields captured by pedestal