Merge remote-tracking branch 'upstream/master' into nacos-register

# Conflicts:
#	spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-nacos-discovery/src/main/java/com/alibaba/cloud/nacos/discovery/NacosServiceDiscovery.java

spring-cloud-alibaba-docs/src/main/asciidoc-zh/nacos-config.adoc

@@ -415,8 +415,8 @@ Endpoint 暴露的 json 中包含了三种属性:
 |===
 |配置项 |Key |默认值 |说明
 |服务端地址|`spring.cloud.nacos.config.server-addr`|| Nacos Server 启动监听的ip地址和端口
-|配置对应的 DataId|`spring.cloud.nacos.config.name`|| 先取 prefix，再去 name，最后取 spring.application.name
-|配置对应的 DataId|`spring.cloud.nacos.config.prefix`|| 先取 prefix，再去 name，最后取 spring.application.name
+|配置对应的 DataId|`spring.cloud.nacos.config.name`|| 先取 prefix，再取 name，最后取 spring.application.name
+|配置对应的 DataId|`spring.cloud.nacos.config.prefix`|| 先取 prefix，再取 name，最后取 spring.application.name
 |配置内容编码|`spring.cloud.nacos.config.encode`||读取的配置内容对应的编码
 |GROUP|`spring.cloud.nacos.config.group`|`DEFAULT_GROUP`|配置对应的组
 |文件扩展名|`spring.cloud.nacos.config.fileExtension`|`properties`|配置项对应的文件扩展名，目前支持 properties 和 yaml(yml)

spring-cloud-alibaba-examples/nacos-example/nacos-discovery-example/readme-zh.md

@@ -30,7 +30,7 @@
 		public class ProviderApplication {
 
 			public static void main(String[] args) {
-				SpringApplication.run(Application.class, args);
+				SpringApplication.run(ProviderApplication.class, args);
 			}
 
 			@RestController

spring-cloud-alibaba-examples/nacos-example/nacos-discovery-example/readme.md

@@ -29,7 +29,7 @@ Before we start the demo, let's learn how to connect Nacos Config to a Spring Cl
 		public class ProviderApplication {
 
 			public static void main(String[] args) {
-				SpringApplication.run(Application.class, args);
+				SpringApplication.run(ProviderApplication.class, args);
 			}
 
 			@RestController

spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-nacos-discovery/src/main/java/com/alibaba/cloud/nacos/discovery/NacosServiceDiscovery.java

@@ -92,6 +92,9 @@ public class NacosServiceDiscovery {
 		metadata.put("nacos.weight", instance.getWeight() + "");
 		metadata.put("nacos.healthy", instance.isHealthy() + "");
 		metadata.put("nacos.cluster", instance.getClusterName() + "");
+		if (instance.getMetadata() != null) {
+			metadata.putAll(instance.getMetadata());
+		}
 		metadata.put("nacos.ephemeral",String.valueOf(instance.isEphemeral()));
 		metadata.putAll(instance.getMetadata());
 		nacosServiceInstance.setMetadata(metadata);

spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-sentinel/pom.xml

@@ -153,6 +153,7 @@
         <dependency>
             <groupId>com.fasterxml.jackson.dataformat</groupId>
             <artifactId>jackson-dataformat-xml</artifactId>
+            <optional>true</optional>
         </dependency>
 
         <dependency>

spring-cloud-alibaba-starters/spring-cloud-starter-stream-rocketmq/src/main/java/com/alibaba/cloud/stream/binder/rocketmq/RocketMQMessageChannelBinder.java

@@ -169,7 +169,7 @@ public class RocketMQMessageChannelBinder extends
 					rocketMQTemplate, destination.getName(), producerGroup,
 					producerProperties.getExtension().getTransactional(),
 					instrumentationManager, producerProperties,
-					((AbstractMessageChannel) channel).getChannelInterceptors().stream()
+					((AbstractMessageChannel) channel).getInterceptors().stream()
 							.filter(channelInterceptor -> channelInterceptor instanceof MessageConverterConfigurer.PartitioningInterceptor)
 							.map(channelInterceptor -> ((MessageConverterConfigurer.PartitioningInterceptor) channelInterceptor))
 							.findFirst().orElse(null));