getting exception: No bean named 'springSecurityFilterChain' is defined

Question

I am learning spring security from reference material. release 3.1.2.RELEASE. As stated in that I have configured security:http tag like this

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Answer 1

As of Spring Security 5.2.1-SNAPSHOT, this error occurred to me when I hadn't declared the element in security XML configuration.

I was trying a sample and I had configuration like

I had to change it to add like below.