Is there any reason you couldn't shade your own protobuf dependency (using,
say, the Maven shade plugin
<http://maven.apache.org/plugins/maven-shade-plugin/>) to allow it to
interoperate with a dependency's older version?


On Tue, Jun 17, 2014 at 1:49 PM, Sangjin Lee <[email protected]> wrote:

> One case where generated APIs are not backward compatible:
> https://code.google.com/p/protobuf/issues/detail?id=493
>
> On Wednesday, April 16, 2014 7:22:41 PM UTC-7, Ilia Mirkin wrote:
>
>> On Wed, Apr 16, 2014 at 10:11 PM, Patrick Wendell <[email protected]>
>> wrote:
>> > Established based on what conventions?
>>
>> On the convention of how protobuf releases have been done... Would you
>> be happier if it was protobuf2 4.0 and protobuf2 5.0?
>>
>> > It means that if you want to write a library that uses proto-bufs you
>> can't
>> > inter-operate with other libraries that also use protobufs.
>>
>> Not ones that use protobufs compiled against a different major version
>> of the library. These come out every year or two. AFAIK this has
>> always been the case. (You can avoid this problem by just building the
>> proto as part of the build process rather than shipping the generated
>> files. I'm fairly sure that the generated API's should be
>> backwards-compatible.)
>>
>> Hopefully someone from Google can address your other concerns.
>>
>>   -ilia
>>
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