Re: Java compatibility checking library

[Kenneth Knowles <ke...@apache.org>]

Aha!

I found a reference to using japicmp for this purpose even earlier, at our
first stable release :-)
https://lists.apache.org/thread/8chz1pp3drg8kbv84yfq9mct31ohcvvd

I just noticed on dev@flink that there's a proposal to use it there (
https://lists.apache.org/thread/jkk87ls2lc17q6bqz5b1xzh67pk4x663 /
https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=225152857)

Kenn

On Mon, Aug 29, 2022 at 4:10 PM Kenneth Knowles <ke...@apache.org> wrote:

> I think this is still worth considering. We would need to see how well it
> does at avoiding false alarms. It was brought up by Andrew a while back at
> https://lists.apache.org/thread/kq2w6rw0oorcj037ygjvfsqw1l9l55jj and I
> know we had another discussion of it even further back. I thought also that
> the Flink project had discussed it and had some learnings, but I have
> failed to find the thread.
>
> We'll need it to be configurable to exclude experimental and internal
> stuff. And we will need to be a lot more careful about making sure things
> go through an incubation phase than we usually are.
>
> Kenn
>
> On Mon, Aug 29, 2022 at 1:23 PM Pablo Estrada via dev <de...@beam.apache.org>
> wrote:
>
>> Hi folks!
>> I learned about this library:
>> https://lvc.github.io/japi-compliance-checker/
>>
>> It looks like it's able to check API compatibility between versions of
>> libraries. We could instate checks that use this library to be more aware
>> of backwards incompatibilities that we may introduce accidentally, and at
>> least be forced to make a deliberate decision about them.
>>
>> LMK what you think about adding checks with this utility : )
>>
>> -P.
>>
>