server.use-forward-headers=true

using the above property google sign-in issue (/login?error) in scala spring-boot application has been resolve.

org.springframework.security.oauth2.core.OAuth2AuthenticationException: [invalid_redirect_uri_parameter] 
    at org.springframework.security.oauth2.client.authentication.OAuth2LoginAuthenticationProvider.authenticate(OAuth2LoginAuthenticationProvider.java:110) ~[spring-security-oauth2-client-5.1.5.RELEASE.jar:5.1.5.RELEASE]