When requesting URLs running behind an AWS ALB/ELB using the http-request-plugin we see a lot of warning messages in the Jenkins log complaining about invalid cookie processing in the response header:

2023-01-24 09:16:37.330+0000 [id=95914] WARNING o.a.h.c.p.ResponseProcessCookies#processCookies: Invalid cookie header: "Set-Cookie: AWSALBCORS=E3VWCTTOR7dHNMAdWkYCw8JVy03+y8oXKPv/nfEqw5+rotNkRQR3RcwWe0OgDwtRKr2+5Zlr27xruQfyzzp5tSOg4bcbLtwwzyvI92VO/KWrwZzXzS81Ldvl3UA1; Expires=Tue, 31 Jan 2023 09:16:37 GMT; Path=/; SameSite=None; Secure". Invalid 'expires' attribute: Tue, 31 Jan 2023 09:16:37 GMT

It seems that either the http-request-plugin or the dependent apache-httpcomponents-client-4-api-plugin does not set a CookieSpecs in the RequestConfig properly.

For similar issue see: https://github.com/splunk/splunkforjenkins/issues/10