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From Jean-Daniel Cryans <jdcry...@apache.org>
Subject Re: Version of Protobuf in the Java client
Date Thu, 11 Feb 2016 16:14:09 GMT
Exact, an internal dependency, an implementation detail if you are just
consuming the jars. We've been careful not to even expose PB objects in the
public APIs.

J-D

On Thu, Feb 11, 2016 at 8:04 AM, Andrea Ferretti <ferrettiandrea@gmail.com>
wrote:

> Thank you! So, if I understand correctly, version 2.6.1 is only needed
> for building, while consumers are free to mix other versions, right?
>
> 2016-02-11 17:01 GMT+01:00 Jean-Daniel Cryans <jdcryans@apache.org>:
> > My memory is a little fuzzy on why we require 2.6.1 specifically, the "it
> > needs to be the exact version" language came with this commit from Julien
> > without comments:
> >
> https://github.com/cloudera/kudu/commit/88a99036dda648f1ddbe7e17098de523994c0631
> >
> > The move up to that version happened in:
> >
> https://github.com/cloudera/kudu/commit/d92077ae93f095ff686d0dc7977712f4b55da0a0
> >
> > The latter commit explains how we use shading so that having other
> protobuf
> > versions on the classpath won't break the Java client.
> >
> > Hope this helps,
> >
> > J-D
> >
> > On Thu, Feb 11, 2016 at 7:15 AM, Andrea Ferretti <
> ferrettiandrea@gmail.com>
> > wrote:
> >>
> >> I see that the instructions for the Java client mention "protobuf
> >> 2.6.1 (it needs to be the exact version)".
> >>
> >> Why is the exact version needed? Is there any chance that it will work
> >> at runtime having different versions of protobuf in the classpath,
> >> such as 2.5.0? What about newer versions such as protobuf 3?
> >
> >
>

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