[GeoNetwork-devel] Migrate geoserver-trunk to Spring 3.x

Before starting with the GSOC project to enhance the geoserver authentication system (mentored by Andrea) I would like to try a migration from Spring 2.x to Spring 3.x. Spring 3.x is a prerequisite for Spring Security 3.x

Looking here

http://blog.springsource.com/2009/12/16/spring-framework-3-0-goes-ga/

I read

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In terms of system requirements, Spring 3.0 covers a broad range of environments. For two key characteristics, Spring 3.0 supports Java SE 5 and above and Servlet 2.4 and above, e.g. Tomcat 5.x and 6.x, also retaining compatibility with common enterprise servers such as WebSphere 6.1 and WebLogic 9.2 (which are formally still based on J2EE 1.4). At the same time, we support GlassFish v3 already ? adapting to Java EE 6 API level in Spring as well.
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My special question:
Are there any showstoppers or some good reason to NOT migrate.?

Thanks
Christian

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