Book: How to Set Up SSO with SAML v2
Section: 18.104.22.168. 5. Create and Configure a picketlink.xml File for an SP
Description: There is stated that "By default, picketlink.xml is located in the WEB-INF directory of the IDP web application.", which is correct for IdP we application. For SP web app, there should be ".. of the SP web application."
Suggestion: Fix referred application type from IDP to SP.