Spring boot 必须为oauth2客户端指定提供程序ID吗？

我正在尝试使用spring boot设置oauth2客户端。我对pom.xml有以下依赖关系：

以及此安全配置类：

@Configuration
public class Security extends WebSecurityConfigurerAdapter {
    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http.authorizeRequests()
         .anyRequest().authenticated()
         .and()
         .oauth2Login();
    }
}

当我尝试运行应用程序时，请告诉我以下错误：

Caused by: java.lang.IllegalStateException: Provider ID must be specified for client registration 'mercadolivre'
        at org.springframework.boot.autoconfigure.security.oauth2.client.OAuth2ClientPropertiesRegistrationAdapter.getBuilder(OAuth2ClientPropertiesRegistrationAdapter.java:95) ~[spring-boot-autoconfigure-2.2.6.RELEASE.jar!/:2.2.6.RELEASE]
        at org.springframework.boot.autoconfigure.security.oauth2.client.OAuth2ClientPropertiesRegistrationAdapter.getClientRegistration(OAuth2ClientPropertiesRegistrationAdapter.java:61) ~[spring-boot-autoconfigure-2.2.6.RELEASE.jar!/:2.2.6.RELEASE]
        at org.springframework.boot.autoconfigure.security.oauth2.client.OAuth2ClientPropertiesRegistrationAdapter.lambda$getClientRegistrations$0(OAuth2ClientPropertiesRegistrationAdapter.java:53) ~[spring-boot-autoconfigure-2.2.6.RELEASE.jar!/:2.2.6.RELEASE]
        at java.base/java.util.HashMap.forEach(HashMap.java:1338) ~[na:na]
        at org.springframework.boot.autoconfigure.security.oauth2.client.OAuth2ClientPropertiesRegistrationAdapter.getClientRegistrations(OAuth2ClientPropertiesRegistrationAdapter.java:52) ~[spring-boot-autoconfigure-2.2.6.RELEASE.jar!/:2.2.6.RELEASE]
        at org.springframework.boot.autoconfigure.security.oauth2.client.servlet.OAuth2ClientRegistrationRepositoryConfiguration.clientRegistrationRepository(OAuth2ClientRegistrationRepositoryConfiguration.java:49) ~[spring-boot-autoconfigure-2.2.6.RELEASE.jar!/:2.2.6.RELEASE]
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:na]
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
        at java.base/java.lang.reflect.Method.invoke(Method.java:567) ~[na:na]
        at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154) ~[spring-beans-5.2.5.RELEASE.jar!/:5.2.5.RELEASE]
        ... 110 common frames omitted

---

这里我缺少什么？

您缺少将授权的OAuth2提供程序，如中所述

以下是您应该提供的一些属性：

spring.security.oauth2.client.registration.mercadolivre.provider=mercadolivre

spring.security.oauth2.client.provider.mercadolivre.authorization-uri=...
spring.security.oauth2.client.provider.mercadolivre.token-uri=...

Caused by: java.lang.IllegalStateException: Provider ID must be specified for client registration 'mercadolivre'
        at org.springframework.boot.autoconfigure.security.oauth2.client.OAuth2ClientPropertiesRegistrationAdapter.getBuilder(OAuth2ClientPropertiesRegistrationAdapter.java:95) ~[spring-boot-autoconfigure-2.2.6.RELEASE.jar!/:2.2.6.RELEASE]
        at org.springframework.boot.autoconfigure.security.oauth2.client.OAuth2ClientPropertiesRegistrationAdapter.getClientRegistration(OAuth2ClientPropertiesRegistrationAdapter.java:61) ~[spring-boot-autoconfigure-2.2.6.RELEASE.jar!/:2.2.6.RELEASE]
        at org.springframework.boot.autoconfigure.security.oauth2.client.OAuth2ClientPropertiesRegistrationAdapter.lambda$getClientRegistrations$0(OAuth2ClientPropertiesRegistrationAdapter.java:53) ~[spring-boot-autoconfigure-2.2.6.RELEASE.jar!/:2.2.6.RELEASE]
        at java.base/java.util.HashMap.forEach(HashMap.java:1338) ~[na:na]
        at org.springframework.boot.autoconfigure.security.oauth2.client.OAuth2ClientPropertiesRegistrationAdapter.getClientRegistrations(OAuth2ClientPropertiesRegistrationAdapter.java:52) ~[spring-boot-autoconfigure-2.2.6.RELEASE.jar!/:2.2.6.RELEASE]
        at org.springframework.boot.autoconfigure.security.oauth2.client.servlet.OAuth2ClientRegistrationRepositoryConfiguration.clientRegistrationRepository(OAuth2ClientRegistrationRepositoryConfiguration.java:49) ~[spring-boot-autoconfigure-2.2.6.RELEASE.jar!/:2.2.6.RELEASE]
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:na]
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
        at java.base/java.lang.reflect.Method.invoke(Method.java:567) ~[na:na]
        at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154) ~[spring-beans-5.2.5.RELEASE.jar!/:5.2.5.RELEASE]
        ... 110 common frames omitted

spring.security.oauth2.client.registration.mercadolivre.provider=mercadolivre

spring.security.oauth2.client.provider.mercadolivre.authorization-uri=...
spring.security.oauth2.client.provider.mercadolivre.token-uri=...