security.xml strange error using Spring

Question

I am trying to configure Spring Security in my simple application. Here is my configuration file, security.xml:

Answer 1

You're missing up the beans and b prefixes. You've declared the b prefix, and then used the beans one. You need to pick one and stick with it. For example, replace

xmlns:b="http://www.springframework.org/schema/beans" 

with

xmlns:beans="http://www.springframework.org/schema/beans" 

and then

with