On Fri, Oct 8, 2010 at 8:44 AM, Andrea Aime <[email protected]>wrote:

> On Fri, Oct 8, 2010 at 4:23 PM, Mike Pumphrey <[email protected]> wrote:
>
>> Interesting.  Is there a list of what changes are made to the data dir
>> between 2.0.x and 2.1.x?  I know that we posted this information for people
>> when we moved from 1.7.x to 2.0.x, and I think it could be quite useful for
>> people now.  Especially if they run a 2.1.x GeoServer with their data dir
>> accidently still set to a 2.0.x directory.  (Environment variables make this
>> far too easy to do.)
>>
>
> The only ones I'm aware of are:
>  <globalServices>true</globalServices>
>
> <coverageAccess>
>     <maxPoolSize>10</maxPoolSize>
>     <corePoolSize>5</corePoolSize>
>     <keepAliveTime>30000</keepAliveTime>
>     <queueType>UNBOUNDED</queueType>
>   </coverageAccess>
>
> Both happen to be in global.xml.
>
> Not sure if there is anything else going. Humm... well, if you create a
> cascaded
> WMS store/layer that won't load in GS 2.0.X, but I have no clue wheter that
> will
> just result in a failure to start GeoServer or just a boatload of angry
> error messages.
>

Unfortunately GeoServer will fail to start. This is not something xstream is
capable of handling gracefully. If we want forwards compatibility like this
the easiest thing to do (afaik) is to backport the new fields to the various
config objects on trunk back to 2.0.x, of course leaving them unused. And
also tell xstream to ignore them on serializatsion. Unfortunately it won't
listen to ignoring them on deserialization which is why they are needed in
the first place.

-Justin

>
> Cheers
> Andrea
>
> -----------------------------------------------------
> Ing. Andrea Aime
> Senior Software Engineer
>
> GeoSolutions S.A.S.
> Via Poggio alle Viti 1187
> 55054  Massarosa (LU)
> Italy
>
> phone: +39 0584962313
> fax:     +39 0584962313
>
> http://www.geo-solutions.it
> http://geo-solutions.blogspot.com/
> http://www.linkedin.com/in/andreaaime
> http://twitter.com/geowolf
>
> -----------------------------------------------------
>
>
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-- 
Justin Deoliveira
OpenGeo - http://opengeo.org
Enterprise support for open source geospatial.
------------------------------------------------------------------------------
Beautiful is writing same markup. Internet Explorer 9 supports
standards for HTML5, CSS3, SVG 1.1,  ECMAScript5, and DOM L2 & L3.
Spend less time writing and  rewriting code and more time creating great
experiences on the web. Be a part of the beta today.
http://p.sf.net/sfu/beautyoftheweb
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