Okta not opening login page

Questions OAuth/OIDC
1

I have a problem about opening the login page of okta through http://http://localhost:8765/auth/login
below is my configuration:
SecurityConfig :
@Configuration
@EnableWebFluxSecurity
class SecurityConfig {
Bean
fun securityWebFilterChain(httpSecurity: ServerHttpSecurity):SecurityWebFilterChain {
httpSecurity
.authorizeExchange()
.anyExchange()
.authenticated()
.and()
.oauth2Client()
.and()
.oauth2ResourceServer()
.jwt()
return httpSecurity.build()
}
}