After 1 week of Spring Security SAML Sample App to Ping (PingIdentity) integration effort, I am almost done... now I have an \"InResponseToField of the Response doesn\'t corr
This problem is usually caused when JSESSIONID cookie stored when request is generated differs from JSESSIONID found during reception of response. Reason for this is usage of different hostname to send the request and receive the response.
Any chance both Ping Identity and your application are deployed on localhost? If not, make sure that the hostname you open to initialize the request (e.g. http://localhost:8080/saml/login) is the same where PingIdentity sends the response.
Past issues with the same error: