Merge pull request #11 from alibaba/master

update

spring-cloud-starter-alibaba/spring-cloud-starter-alibaba-nacos-config/src/main/java/com/alibaba/cloud/nacos/endpoint/NacosConfigEndpointAutoConfiguration.java

@@ -51,6 +51,8 @@ public class NacosConfigEndpointAutoConfiguration {
 	}
 
 	@Bean
+	@ConditionalOnMissingBean
+	@ConditionalOnProperty(name = "spring.cloud.nacos.config.health.enabled", matchIfMissing = true)
 	public NacosConfigHealthIndicator nacosConfigHealthIndicator() {
 		return new NacosConfigHealthIndicator(nacosConfigManager.getConfigService());
 	}

spring-cloud-starter-alibaba/spring-cloud-starter-alibaba-nacos-config/src/main/resources/META-INF/additional-spring-configuration-metadata.json

@@ -40,7 +40,6 @@
       "type": "java.util.List",
       "description": "a set of shared configurations .e.g: spring.cloud.nacos.config.shared-configs[0]=xxx ."
     },
-
     {
       "name": "spring.cloud.nacos.config.refreshable-dataids",
       "type": "java.lang.String",
@@ -56,6 +55,12 @@
       "type": "java.util.List",
       "description": "a set of extensional configurations .e.g: spring.cloud.nacos.config.extension-configs[0]=xxx ."
     },
+    {
+      "name": "spring.cloud.nacos.config.health.enabled",
+      "type": "java.lang.Boolean",
+      "defaultValue": true,
+      "description": "the switch for health check, it default enabled(true)."
+    },
     {
       "name": "spring.cloud.nacos.config.refresh-enabled",
       "type": "java.lang.Boolean",

spring-cloud-starter-alibaba/spring-cloud-starter-dubbo/src/main/java/com/alibaba/cloud/dubbo/registry/AbstractSpringCloudRegistry.java

@@ -222,10 +222,15 @@ public abstract class AbstractSpringCloudRegistry extends FailbackRegistry {
 		Collection<ServiceInstance> serviceInstances = serviceInstancesFunction
 				.apply(serviceName);
 
+		// issue : ReStarting a consumer and then starting a provider does not automatically discover the registration
+		// fix https://github.com/alibaba/spring-cloud-alibaba/issues/753
+		// Re-obtain the latest list of available metadata address here, ip or port may change.
+		// by https://github.com/wangzihaogithub
+		dubboMetadataConfigServiceProxy.removeProxy(serviceName);
+		repository.removeMetadataAndInitializedService(serviceName);
+		dubboGenericServiceFactory.destroy(serviceName);
+		repository.initializeMetadata(serviceName);
 		if (CollectionUtils.isEmpty(serviceInstances)) {
-			dubboMetadataConfigServiceProxy.removeProxy(serviceName);
-			repository.removeMetadataAndInitializedService(serviceName);
-			dubboGenericServiceFactory.destroy(serviceName);
 			if (logger.isWarnEnabled()) {
 				logger.warn(
 						"There is no instance from service[name : {}], and then Dubbo Service[key : {}] will not be "
@@ -246,18 +251,6 @@ public abstract class AbstractSpringCloudRegistry extends FailbackRegistry {
 
 		DubboMetadataService dubboMetadataService = dubboMetadataConfigServiceProxy
 				.getProxy(serviceName);
-
-		if (dubboMetadataService == null) { // If not found, try to initialize
-			if (logger.isInfoEnabled()) {
-				logger.info(
-						"The metadata of Dubbo service[key : {}] can't be found when the subscribed service[name : {}], "
-								+ "and then try to initialize it",
-						url.getServiceKey(), serviceName);
-			}
-			repository.initializeMetadata(serviceName);
-			dubboMetadataService = dubboMetadataConfigServiceProxy.getProxy(serviceName);
-		}
-
 		if (dubboMetadataService == null) { // It makes sure not-found, return immediately
 			if (logger.isWarnEnabled()) {
 				logger.warn(
@@ -269,7 +262,6 @@ public abstract class AbstractSpringCloudRegistry extends FailbackRegistry {
 		}
 
 		List<URL> exportedURLs = getExportedURLs(dubboMetadataService, url);
-
 		for (URL exportedURL : exportedURLs) {
 			String protocol = exportedURL.getProtocol();
 			List<URL> subscribedURLs = new LinkedList<>();