解决 springboot项目启动错误, rocketmq @Autowired 注入错误

解决 springboot项目启动不了, rocketmq @Autowired 注入错误

 @Autowired
    private RocketMQTemplate rocketMQTemplate;

idea 打印出来的错误日志

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2020-11-27 10:58:07.629 ERROR 18232 --- [           main] o.s.b.d.LoggingFailureAnalysisReporter   : 

***************************
APPLICATION FAILED TO START
***************************

Description:

An attempt was made to call the method org.apache.rocketmq.client.producer.DefaultMQProducer.<init>(Ljava/lang/String;ZLjava/lang/String;)V but it does not exist. Its class, org.apache.rocketmq.client.producer.DefaultMQProducer, is available from the following locations:

    jar:file:/D:/work/maven/myMaven/repository/org/apache/rocketmq/rocketmq-client/4.3.2/rocketmq-client-4.3.2.jar!/org/apache/rocketmq/client/producer/DefaultMQProducer.class

It was loaded from the following location:

    file:/D:/work/maven/myMaven/repository/org/apache/rocketmq/rocketmq-client/4.3.2/rocketmq-client-4.3.2.jar


Action:

Correct the classpath of your application so that it contains a single, compatible version of org.apache.rocketmq.client.producer.DefaultMQProducer

以前的依赖

<!--RocketMQ相关-->
        <dependency>
            <groupId>org.apache.rocketmq</groupId>
            <artifactId>rocketmq-spring-boot-starter</artifactId>
            <!--        <version>2.0.0</version>-->
            <version>2.0.3</version>
        </dependency>
        <dependency>
            <groupId>org.apache.rocketmq</groupId>
            <artifactId>rocketmq-client</artifactId>
            <version>4.3.2</version>
        </dependency>
        <dependency>
            <groupId>org.apache.rocketmq</groupId>
            <artifactId>rocketmq-common</artifactId>
            <version>4.5.1</version>
        </dependency>

更改 rocketmq-spring-boot-starter 的 version 为 2.1.0

 		<dependency>
            <groupId>org.apache.rocketmq</groupId>
            <artifactId>rocketmq-spring-boot-starter</artifactId>
            <!--        <version>2.0.0</version>-->
            <version>2.1.0</version>
        </dependency>

2020-11-27 20:22:24.240  WARN 9384 --- [           main] o.a.r.s.a.RocketMQAutoConfiguration      : The necessary spring property 'rocketmq.name-server' is not defined, all rockertmq beans creation are skipped!

大功告成

本文地址：https://blog.csdn.net/weixin_44197039/article/details/110232769