On Thu, Jan 24, 2013 at 12:48 PM, Nico Williams <nico@cryptonector.com>wrote:
> On Thu, Jan 24, 2013 at 9:30 AM, Julian Reschke <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.
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