reasons for Whitelabel Error Page code example
Example: Whitelabel Error Page\
#server.error.whitelabel.enabled=false
#spring.autoconfigure.exclude=org.springframework.boot.autoconfigure.web.servlet.error.ErrorMvcAutoConfiguration
#server.error.whitelabel.enabled=false
#spring.autoconfigure.exclude=org.springframework.boot.autoconfigure.web.servlet.error.ErrorMvcAutoConfiguration