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Spring Security 3 by Peter Mularien

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Changes to configuration in Spring Security 3

Many of the changes in Spring Security 3 will be visible in the security namespace style of configuration. Although this chapter cannot cover all of the minor changes in detail, we'll try to cover those changes that will be most likely to affect you as you move to Spring Security 3.

Rearranged AuthenticationManager configuration

The most obvious changes in Spring Security 3 deal with the configuration of the AuthenticationManager and any related AuthenticationProvider elements. In Spring Security 2, the AuthenticationManager and AuthenticationProvider configuration elements were completely disconnected—declaring an AuthenticationProvider didn't require any notion of an AuthenticationManager at all.

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