Error creating bean with name 'jsonMessageConverter': Failed to introspect bean class [org.springfr

 Error creating bean with name 'jsonMessageConverter': Failed to introspect bean class [org.springframework.amqp.support.converter.Jackson2JsonMessageConverter] for lookup method metadata: could not find class that it depends on; nested except

缺少jackson依赖

 <!--Jackson 核心库-->
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-core</artifactId>
            <version>2.8.9</version>
        </dependency>
        <!--Jackson 序列化库-->
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>2.8.9</version>
        </dependency>
        <!--Jackson 注解支持-->
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-annotations</artifactId>
            <version>2.8.9</version>
        </dependency>