[Opensim-dev] Bump GridComms Version Notice

[Frisby, Adam]

D'oh.

Wasn't moving to OMVTypes supposed to avoid breaks like this?

Adam

> -----Original Message-----
> From: opensim-dev-bounces at lists.berlios.de [mailto:opensim-dev-
> bounces at lists.berlios.de] On Behalf Of Teravus Ovares
> Sent: Saturday, 25 July 2009 2:05 PM
> To: opensim-dev
> Subject: [Opensim-dev] Bump GridComms Version Notice
> 
> Hey everyone
> 
> After fighting with things for a bit, I'm going to recommend bumping
> the version of the gridcomms.
> 
> It turns out that the json serialization of the UUID type was changed
> in libOMV revision r2588 to a plain string.
> This leaves older regions expecting a 'uuid::' prefix (as was the
> previous format) unable to decode UUIDs and return a UUID.Zero.
> 
> This will break Hypergrid and some types of region to region comms
> between OpenSim revisions 10081 and 10082. Regions in versions 10082
> cannot talk properly to regions 10081 and below.   If you try, some
> regions will show, some won't, you'll have border crossing issues
> sometimes and you'll get weird console messages.   For grids who want
> a consistent experience, you will need to upgrade regions together so
> organize the effort appropriately.
> 
> Unfortunately, there isn't really anything that we can do besides this
> except roll back the LibOMV 0.7.0 commit and stay on an older version
> of libOMV.  There isn't any way to programmatically change, without
> forking OpenMetaverse.StructureData, what should go over the wire
> serialization.   Additionally, on the receiving side, there's no way
> to know what was a UUID and what was a string with UUID text in it's
> contents so converting it there is also out of the question.
> 
> Additionally, any services that make use of the json serialization are
> affected (json stats come to mind).
> 
> Be aware of these changes
> 
> Regards
> 
> Teravus
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