Getting errors while providing rabbitMQ configuration in spring boot application

问题

Error :

java.lang.NoClassDefFoundError: org/springframework/amqp/support/converter/MessageConverter at java.lang.Class.getDeclaredMethods0(Native Method)

RabbitConfig.java

package com.example.demo;

import org.springframework.amqp.core.*;
import org.springframework.amqp.rabbit.connection.CachingConnectionFactory;
import org.springframework.amqp.rabbit.connection.ConnectionFactory;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
import org.springframework.amqp.support.converter.MessageConverter;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.EnableScheduling;

import java.util.HashMap;
import java.util.Map;

@Configuration
    public class RabbitMQConfig {
    @Value("${javainuse.rabbitmq.queue}")
    String queueName;

    @Value("${javainuse.rabbitmq.exchange}")
    String exchange;

    @Value("${javainuse.rabbitmq.routingkey}")
    private String routingkey;

    @Bean
    Queue queue() {
        return new Queue(queueName, false);
    }

    @Bean
    ConnectionFactory connectionFactory(){

        CachingConnectionFactory connectionFactory=new CachingConnectionFactory("127.0.0.1");
        connectionFactory.setUsername("guest");
        connectionFactory.setPassword("guest");
        connectionFactory.setPort(5672);
        connectionFactory.setPublisherReturns(true);
        return connectionFactory;

    }

    @Bean
    DirectExchange exchange() {
        return new DirectExchange(exchange);
    }

    @Bean
    Binding binding(Queue queue, DirectExchange exchange) {
        return BindingBuilder.bind(queue).to(exchange).with(routingkey);
    }

    @Bean
    public MessageConverter jsonMessageConverter() {
        return new Jackson2JsonMessageConverter();
    }

    @Bean
    public RabbitTemplate rabbitTemplate(ConnectionFactory connectionFactory) {
        final RabbitTemplate rabbitTemplate = new RabbitTemplate(connectionFactory);
        rabbitTemplate.setMessageConverter(jsonMessageConverter());
        return rabbitTemplate;
    }
}

Pom.xml:: Dependency

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <parent>
        <artifactId>queue-service</artifactId>
        <groupId>com.hp.oo.unifiedcommons</groupId>
        <version>2020.05.0.47-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>queue-service-impls</artifactId>
    <dependencies>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-core</artifactId>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-annotations</artifactId>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-amqp</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.amqp</groupId>
            <artifactId>spring-amqp</artifactId>
            <version>2.2.6.RELEASE</version>
            <scope>compile</scope>
        </dependency>
        <dependency>
            <groupId>com.hp.oo.unifiedcommons</groupId>
            <artifactId>oo-outbox-mapper-api</artifactId>
            <version>2020.05.0.47-SNAPSHOT</version>
            <scope>compile</scope>
        </dependency>


    </dependencies>


</project>

I am not sure but is it because of spring version ??. I mean sometimes i am getting error in ConnectionFactory function or sometimes i got error in MessageConvertor function that I am using in my RabbitMQConfig.java .
Any suggestion how to fix this ?

来源：https://stackoverflow.com/questions/62365086/getting-errors-while-providing-rabbitmq-configuration-in-spring-boot-application