SpringBoot integrated RocketMQ error: Bad annotation definition in @ExtRocketMQTemplateConfiguration ...

1. cause problems

Using official of rocketmq-spring-boot-starterthe examples provided write ExtRocketMQTemplate, edit the configuration file nameServerconfiguration changed and rocketmq.name-serverthe same values:

## 配置文件
rocketmq:
  name-server: 192.168.2.182:9876;192.168.2.183:9876
...
demo:
  rocketmq:
    ...
    extNameServer: 192.168.2.182:9876;192.168.2.183:9876

## Java Code
@ExtRocketMQTemplateConfiguration(nameServer = "${demo.rocketmq.extNameServer}")
public class ExtRocketMQTemplate extends RocketMQTemplate {
}

2. Description of the problem

Paste the stack information:

org.springframework.beans.factory.support.BeanDefinitionValidationException: Bad annotation definition in @ExtRocketMQTemplateConfiguration, nameServer property is same with global property, please use the default RocketMQTemplate!
    at org.apache.rocketmq.spring.autoconfigure.ExtProducerResetConfiguration.validate(ExtProducerResetConfiguration.java:153) ~[rocketmq-spring-boot-2.0.3.jar:2.0.3]
    at org.apache.rocketmq.spring.autoconfigure.ExtProducerResetConfiguration.registerTemplate(ExtProducerResetConfiguration.java:88) ~[rocketmq-spring-boot-2.0.3.jar:2.0.3]
    at java.util.LinkedHashMap.forEach(LinkedHashMap.java:684) ~[na:1.8.0_144]
    at org.apache.rocketmq.spring.autoconfigure.ExtProducerResetConfiguration.afterSingletonsInstantiated(ExtProducerResetConfiguration.java:75) ~[rocketmq-spring-boot-2.0.3.jar:2.0.3]
...

3. Problem Solving

According to error prompt, nameServercan not be set above rocketmq.name-serverthe value of the same, can be changed to a different solution to this problem:

rocketmq:
  name-server: 192.168.2.182:9876;192.168.2.183:9876
...
# properties used in the application
demo:
  rocketmq:
    ...
    extNameServer: 192.168.2.182:9876