[threeten-dev] ZoneId Z and TZ id UTC/GMT/UT

[Stephen Colebourne]

On 8 February 2013 01:28, Xueming Shen <xueming.shen at oracle.com> wrote:
> I believe the reasons that I failed to reproduce some of the reported test
> failures locally before are
>
> (1) Some systems have their default tz set to either UTC or GMT, so both
> tests failed because the id of ZoneId for them are "Z", while the j.u.TZ has
> "GMT" and/or "UTC" for them.
>
> Stephen, I understand the reasoning behind picking "Z", but it's really an
> "incompatible" choice, worth reconsidering?
>
> (2) dtf prints the offset as "GMT +/-mm:nn" while JSR310 -> "+/-mm:nn"
>      (GMT/UTC -> Z)
>
> http://cr.openjdk.java.net/~sherman/jdk8_threeten/zondId_Z/
>
> The change should fix the tests though.

The temporary fix is OK.

The issue is https://github.com/ThreeTen/threeten/issues/262
The proposal is to retain the user's requested zone ID, normalizing on request.

Stephen