fix[apollo-configService]: Solve configService startup exception

apollo-assembly/src/main/resources/application.yml

@@ -33,3 +33,5 @@ eureka:
     healthcheck:
       enabled: true
     eurekaServiceUrlPollIntervalSeconds: 60
+    fetch-registry: false
+    registerWithEureka: false

apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/eureka/ApolloEurekaClientConfig.java

@@ -2,21 +2,29 @@
 
 
 import com.ctrip.framework.apollo.biz.config.BizConfig;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.boot.context.event.ApplicationReadyEvent;
+import org.springframework.cloud.context.scope.refresh.RefreshScope;
 import org.springframework.cloud.netflix.eureka.EurekaClientConfigBean;
 import org.springframework.context.annotation.Primary;
+import org.springframework.context.event.EventListener;
 import org.springframework.stereotype.Component;
 import org.springframework.util.CollectionUtils;
 
 import java.util.List;
 
 @Component
 @Primary
+@ConditionalOnProperty(value = {"eureka.client.enabled"}, havingValue = "true", matchIfMissing = true)
 public class ApolloEurekaClientConfig extends EurekaClientConfigBean {
 
   private final BizConfig bizConfig;
+  private final RefreshScope refreshScope;
+  private static final String EUREKA_CLIENT_BEAN_NAME = "eurekaClient";
 
-  public ApolloEurekaClientConfig(final BizConfig bizConfig) {
+  public ApolloEurekaClientConfig(final BizConfig bizConfig, final RefreshScope refreshScope) {
     this.bizConfig = bizConfig;
+    this.refreshScope = refreshScope;
   }
 
   /**
@@ -27,6 +35,19 @@ public List<String> getEurekaServerServiceUrls(String myZone) {
     return CollectionUtils.isEmpty(urls) ? super.getEurekaServerServiceUrls(myZone) : urls;
   }
 
+  @EventListener
+  public void listenApplicationReadyEvent(ApplicationReadyEvent event) {
+    this.refreshEurekaClient();
+  }
+
+  private void refreshEurekaClient() {
+    if (!super.isFetchRegistry()) {
+        super.setFetchRegistry(true);
+        super.setRegisterWithEureka(true);
+        refreshScope.refresh(EUREKA_CLIENT_BEAN_NAME);
+    }
+  }
+
   @Override
   public boolean equals(Object o) {
     return super.equals(o);

apollo-configservice/src/main/resources/application.yml

@@ -33,6 +33,9 @@ eureka:
     healthcheck:
       enabled: true
     eurekaServiceUrlPollIntervalSeconds: 60
+    fetch-registry: false
+    registerWithEureka: false
+
 management:
   health:
     status: