HTTP is a Session/Presentation Protocol TCP is a Transport Protocol. On Thu, Jan 24, 2013 at 3:54 PM, Julian Reschke <julian.reschke@gmx.de>wrote: > On 2013-01-24 21:34, Phillip Hallam-Baker wrote: > >> >> >> On Thu, Jan 24, 2013 at 12:48 PM, Nico Williams <nico@cryptonector.com >> <mailto:nico@cryptonector.com>**> wrote: >> >> On Thu, Jan 24, 2013 at 9:30 AM, Julian Reschke >> <julian.reschke@gmx.de <mailto:julian.reschke@gmx.de>**> wrote: >> > On 2013-01-24 04:18, Grahame Grieve wrote: >> >> What would be right http status code to use? It's a client >> error, right? >> >> The nearest appropriate status code would be 422, but I'm not sure >> >> whether that can be used outside webdav. Either way, there's a >> bunch >> > >> > It can. >> > >> > [...] >> > >> > Augmenting error handling for web services is an interesting >> topic. See >> > prior proposals about Link relations, or a JSON typed response >> body format >> > for 4xx/5xx. >> >> I've seen APIs that handle errors in JSON-encoded response bodies, >> including one that always returns success in HTTP but errors in the >> response body, which is kinda weird, but if none of the HTTP status >> codes make sense... (that was the author's defense). >> >> >> It makes perfect sense from a layering perspective. >> >> In an RPC call I probably want HTTP errors to be strictly limited to >> reporting network failures. 'entry not found' is a completely different >> result from 'machine is down' >> >> entry not found is arguably a successful transaction that returned an >> empty list of results. >> > > In that case you are (ab)using HTTP as transport protocol. > > Best regards, Julian > > -- Website: http://hallambaker.com/Received on Thursday, 24 January 2013 20:57:50 GMT
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