Currently nvarchar is not supported as a type mapping. The reason being that
the JDBC Types constant is only available in java 1.6, and
geotools/geoserver is still stuck on java 5. There is an open issue for
this:

http://jira.codehaus.org/browse/GEOS-3842

-Justin

2010/9/15 marwa El-said <melsaid2...@hotmail.com>

>
> Hi,
>
> I am using GeoServer 2.0.2 , SQL Server 2008 , Microsoft SQL Server JDBC
> Driver 3.0  and  a java 1.4 SDK
> I successfully connected to the sql server,  but  have a problem with type
> "nvarchar" that didn't appear during publishing my layers
> as a property to be loaded
>
> I tried alot of solutions, the last one was to upgrade the java SDK to java
> 1.6 SDK,
> but when I do that I couldn't create a SQL Server data store again
> and have an error while trying to create it.
>
> After the previous error with java 1.6 SDK I removed all java versions from
> my PC and setup the 1.6 SDk version only
> then, i tried to log on to geoserver but i found the geoserver down
> "inernet explorer can not display the web page...."
>
> It seems that java 1.6 SDK has some issues with geoserver
> If it is right, I need to know what is the solution to get my server work 
> again ?
> and if i revert to use the java 1.4 SDK how can i resolve the "nvarchar" type 
> disappearnce from all layers during
> publishing them on geoserver.
>
>
>
>
>
> Thanks,
>
> *Marwa Elsaid*
>
>
>
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>


-- 
Justin Deoliveira
OpenGeo - http://opengeo.org
Enterprise support for open source geospatial.
------------------------------------------------------------------------------
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