upgrade nacos version to 1.2.0

spring-cloud-alibaba-examples/nacos-example/nacos-discovery-example/nacos-discovery-consumer-example/src/main/resources/application.properties

@@ -3,6 +3,9 @@ server.port=18083
 management.endpoints.web.exposure.include=*
 #spring.cloud.nacos.discovery.server-addr=127.0.0.1:8848
 spring.cloud.nacos.server-addr=127.0.0.1:8848
+# nacos auth
+spring.cloud.nacos.username=nacos
+spring.cloud.nacos.password=nacos
 
 feign.sentinel.enabled=true
 

spring-cloud-alibaba-examples/nacos-example/nacos-discovery-example/nacos-discovery-provider-example/src/main/java/com/alibaba/cloud/examples/ProviderApplication.java

@@ -13,7 +13,7 @@ import org.springframework.web.bind.annotation.RestController;
 /**
  * @author xiaojing
  */
-@EnableDiscoveryClient(autoRegister = false)
+@EnableDiscoveryClient(autoRegister = true)
 @SpringBootApplication
 public class ProviderApplication {
 

spring-cloud-alibaba-examples/nacos-example/nacos-discovery-example/nacos-discovery-provider-example/src/main/resources/application.properties

@@ -1,4 +1,8 @@
 server.port=18082
 spring.application.name=service-provider
-spring.cloud.nacos.discovery.server-addr=127.0.0.1:8848
+spring.cloud.nacos.server-addr=127.0.0.1:8848
+# nacos auth
+spring.cloud.nacos.username=nacos
+spring.cloud.nacos.password=nacos
+
 management.endpoints.web.exposure.include=*

spring-cloud-alibaba-examples/nacos-example/nacos-discovery-example/nacos-discovery-spring-cloud-config-client/src/main/resources/bootstrap.yml

@@ -3,6 +3,8 @@ spring:
     name: client
   cloud:
     nacos:
+      username: nacos
+      password: nacos
       discovery:
         server-addr: localhost:8848
     config:

spring-cloud-alibaba-examples/nacos-example/nacos-discovery-example/nacos-discovery-spring-cloud-config-server/src/main/resources/application.yml

@@ -8,6 +8,8 @@ spring:
     nacos:
       discovery:
         server-addr: localhost:8848
+      username: nacos
+      password: nacos
     config:
       server:
         git: