java.lang.ClassNotFoundException: com.fasterxml.jackson.databind.ObjectMapper

RabbitMq配置时常见错误

java.lang.ClassNotFoundException: com.fasterxml.jackson.databind.ObjectMapper 

<dependency>
    <groupId>com.fasterxml.jackson.core</groupId>
    <artifactId>jackson-databind</artifactId>
    <version>2.9.5</version>
</dependency>