There are two application servers and a switch. When i access application by using application server ip it works fine. However if i use switch ip in my url Bad request erro
I'm a bit late to the party, but bumped in to this issue whilst working with the openidc auth module.
I ended up noticing that cookies were not being cleared properly, and I had at least 10 mod_auth_openidc_state_... cookies, all of which would be sent by my browser whenever I made a request.
If this sounds familiar to you, double check your cookies!