Those update pages are part of the project wiki; where we write down notes as 
we go.

If you can give me a small example of something that "does not work" that is 
not covered by that page; I can tell you how to fix it and you can update the 
wiki page for the next person.

But yes it is possible (and recommend) to update to a newer version.

The change from 2.4 to 2.5 was the most significant change the project has ever 
done; adopting a new feature model. 

The page of examples we used when we updated uDig and GeoServer is here:
- http://docs.geotools.org/latest/userguide/library/main/feature.html

-- 
Jody Garnett

On Thursday, 12 May 2011 at 8:35 PM, mil84 wrote: 
> Hi, i've an old project, which was made with geotools 2.4.2, and i want to
> migrate it to 2.7. But i have big problems during upgrading, i can't even
> upgrade to 2.5 because of lot of changes between 2.4.2 and 2.5. For example
> classes that i'm currently using like:
> 
> DefaultFeature
> DefaultFeatureType
> Feature
> FeatureType
> ...
> 
> doesn't exists even in 2.5. Of course i tried to use upgrade manuals:
> 
> http://docs.codehaus.org/display/GEOTOOLS/Upgrade+to+2.5
> http://docs.codehaus.org/display/GEOTOOLS/Upgrade+to+2.6
> http://docs.codehaus.org/display/GEOTOOLS/Upgrade+to+2.7
> 
> but it looks like these manuals are incomplete, because they only write
> something about Feature and FeatureType and some other changes and thats
> all. But there are much more changes between these versions, which they
> probably don't mentioned in these documents. So now i'm quite lost...
> 
> So the question is, what should i do? Do u think its possible (and
> reasonable) to upgrade my project, and are there some "better" instructions
> than very short upgrade sites i posted? Or should i rewrite my project from
> scratch?
> 
> Thx for advices a lot 
> 
> --
> View this message in context: 
> http://osgeo-org.1803224.n2.nabble.com/GeoTools-upgrade-problem-2-4-2-2-5-6-7-tp6355239p6355239.html
> Sent from the geotools-gt2-users mailing list archive at Nabble.com.
> 
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