2018-11-02 14:24:51.638 INFO 32700 --- [main] c.a.demo.provider.ConfigApplication : Started ConfigApplication in 14.645 seconds (JVM running for 15.139)
user name :nacos-config-properties; age: 90
2018-11-02 14:24:51.688 INFO 32700 --- [-127.0.0.1:8848] s.c.a.AnnotationConfigApplicationContext : Refreshing org.springframework.context.annotation.AnnotationConfigApplicationContext@a8c5e74: startup date [Fri Nov 02 14:24:51 CST 2018]; root of context hierarchy
@ -73,9 +74,8 @@ public class NacosConfigApplication {
}
----
NOTE: Note that when your ```spring-cloud-alibaba```'s version is ````2021.1```, since the ```nacos``` gets the configuration in the ```bootstrap.yml ``` file Will be loaded before the ```application.yml``` file.
According to the official documentation of spring mentioned [bootstrap](https://docs.spring.io/spring-cloud-config/docs/current/reference/html/#config-first-bootstrap)
To solve this problem, we recommend that you add the following dependencies to the project root ```pom.xml``` file
NOTE: After ``spring-cloud-alibaba`` ``2021.0.1.0``,we use ``spring.config.import`` import configuration by default,
if you want to continue to use ``bootstrap``,you can add the following dependencies to the project root ``pom.xml`` file:
[source,xml]
----
@ -86,14 +86,23 @@ To solve this problem, we recommend that you add the following dependencies to t
</dependency>
----
Before running this example, we need to configure the address of the Nacos server in bootstrap.properties. For example:
.bootstrap.properties
[source,properties]
Before running this example, we need to configure the address of the Nacos server in `application.yaml`. For example:
.`application.yaml`
[source,yaml]
----
# DataId By default, the `spring.application.name` configuration is combined with the file extension (the configuration format uses properties by default), and the GROUP is not configured to use DEFAULT_GROUP by default. Therefore, the Nacos Config configuration corresponding to the configuration file has a DataId of nacos-config.properties and a GROUP of DEFAULT_GROUP
# GROUP is not configured to use DEFAULT_GROUP by default.
spring:
application:
name: nacos-config
cloud:
nacos:
config:
serverAddr: 127.0.0.1:8848
config:
import:
- nacos:nacos-config.properties
----
NOTE: If you use domain name to access Nacos, the format of `spring.cloud.nacos.config.server-addr` should be `Domain name:port`.
@ -105,20 +114,28 @@ Run this example and you can see the following output:
[source,subs="normal"]
----
2018-11-02 14:24:51.638 INFO 32700 --- [main] c.a.demo.provider.NacosConfigApplication : Started NacosConfigApplication in 14.645 seconds (JVM running for 15.139)
user name :nacos-config-properties; age: 90
2018-11-02 14:24:51.688 INFO 32700 --- [-127.0.0.1:8848] s.c.a.AnnotationConfigApplicationContext : Refreshing org.springframework.context.annotation.AnnotationConfigApplicationContext@a8c5e74: startup date [Fri Nov 02 14:24:51 CST 2018]; root of context hierarchy
user name :jack; age: 90
----
=== Add Configurations with DataId in YAML Format
Nacos Config supports yaml format as well. You only need to complete the following 2 steps.
1、In the bootstrap.properties file, add the following line to claim that the format of DataId is yaml. As follows:
1、In the application.yaml file, add the following line to claim that the format of DataId is yaml. As follows:
.bootstrap.properties
.application.yaml
[source,yaml]
----
spring.cloud.nacos.config.file-extension=yaml
spring:
application:
name: nacos-config
cloud:
nacos:
config:
serverAddr: 127.0.0.1:8848
config:
import:
- nacos:nacos-config.yaml
----
2、Add a configuration with the DataId in yaml format on the Nacos console, as shown below:
After completing the preivous two steps, restart the testing program and you will see the following result.
[source,subs="normal"]
----
2018-11-02 14:59:00.484 INFO 32928 --- [main] c.a.demo.provider.NacosConfigApplication:Started NacosConfigApplication in 14.183 seconds (JVM running for 14.671)
user name :nacos-config-yaml; age: 68
2018-11-02 14:59:00.529 INFO 32928 --- [-127.0.0.1:8848] s.c.a.AnnotationConfigApplicationContext : Refreshing org.springframework.context.annotation.AnnotationConfigApplicationContext@265a478e: startup date [Fri Nov 02 14:59:00 CST 2018]; root of context hierarchy
user name :rose; age: 68
----
=== Support Dynamic Configuration Udpates
=== Support Dynamic Configuration Updates
Nacos Config also supports dynamic configuration updates. The code for starting Spring Boot application testing is as follows:
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