IIS Server and Spring.NET object instantiation failed

Your

web.config

lacks parts of the required configuration, from the docs:

Configuration for IIS 7.0 on Windows Server 2008, Win7 and Windows Vista

There is some configuration that is specific to using IIS7, the appropriate code snippit to place in web.config shown below.

<system.webServer>
<validation validateIntegratedModeConfiguration="false"/>
<modules>
<add name="Spring" type="Spring.Context.Support.WebSupportModule, Spring.Web"/>
</modules>
<handlers>
<add name="SpringPageHandler" verb="*" path="*.aspx" type="Spring.Web.Support.PageHandlerFactory, Spring.Web"/>
<add name="SpringWebServiceHandler" verb="*" path="*.asmx" type="Spring.Web.Services.WebServiceHandlerFactory, Spring.Web" />
<add name="SpringContextMonitor" verb="*" path="ContextMonitor.ashx" type="Spring.Web.Support.ContextMonitor, Spring.Web"/>
</handlers>
</system.webServer>