This is quite similar question to one older but the solution did not work for me.
I have a WAR package.
In web.xml
web.xml
Try to use classpath*: prefix instead.
classpath*:
http://static.springsource.org/spring/docs/3.0.x/spring-framework-reference/html/resources.html#resources-classpath-wildcards
Also please try to deploy exploded war, to ensure that all files are there.