Re : Re: protbuf to json not compatible

[Olivier Sallou <ol...@irisa.fr>]

----- Benjamin Mahler <bm...@apache.org> a écrit :
> James, I'm curious, do you know specifically what the incompatibility is?
> 
> Olivier, if you're dealing with protobuf already and trying to send it to
> mesos, there's no need to use JSON. Unless you have a requirement to do so?

I can manage json, this is fine.
Sending protobuf mean sending whole accept message as protobuf, not task definition only. But for this I need mesos.native python package, and i want to avoid this. So i will switch to full json.

Olivier



> There are some outstanding issues with our JSON<->Protobuf conversion,
> specifically we currently are inconsistent from proto3 when it comes to the
> int(32|64), fixed(32|64), uint(32|64) handling, for one (we don't allow
> strings on the input side (tomek is addressing that), and we don't use
> strings on the output side).
> 
> On Fri, Mar 24, 2017 at 12:44 AM, Olivier Sallou <ol...@irisa.fr>
> wrote:
> 
> >
> >
> > On 03/24/2017 04:02 AM, James Peach wrote:
> > >> On Mar 23, 2017, at 7:58 PM, James Peach <jo...@gmail.com> wrote:
> > >>
> > >>> On Mar 23, 2017, at 1:54 AM, Olivier Sallou <ol...@irisa.fr>
> > wrote:
> > >>>
> > >>> Hi,
> > >>>
> > >>> when transforming a protobug message to json with MessageToJson, the
> > >>> json is not compatible with the json format expected by Mesos master.
> > >> This is because you generated the protobuf bindings with proto3
> > compiler. AFAICT they made an incompatible change to the JSON wire format.
> > This bites you when using the jsonpb Go package, for example. I ended up
> > post-processing the generated Go code to correct the field names.
> > > Sorry I forgot to mention that the other workaround is to generate the
> > protobuf bindings with the proto2 compiler.
> > Thanks
> > My first workaround is to generate json directly, not a big deal in my
> > case, but I wanted to understand.
> >
> > Olivier
> > >
> > > J
> >
> > --
> > Olivier Sallou
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> > Campus de Beaulieu, 35000 RENNES - FRANCE
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> >
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> >
> >