Getting exception when @EnableRabbit

[Nilendu Kumar]

Hi, 

I am getting below error as soon as i am using @EnableRabbit. I am using Spring 4 with RabbitMQ ver 3.7.5

java.lang.NoSuchMethodError: org.springframework.util.Assert.state(ZLjava/util/function/Supplier;)V

Configuration File"

------------------

package com.onlineExam.config;

import org.springframework.amqp.core.AmqpAdmin;

import org.springframework.amqp.core.Queue;

import org.springframework.amqp.rabbit.annotation.EnableRabbit;

import org.springframework.amqp.rabbit.config.SimpleRabbitListenerContainerFactory;

import org.springframework.amqp.rabbit.connection.CachingConnectionFactory;

import org.springframework.amqp.rabbit.connection.ConnectionFactory;

import org.springframework.amqp.rabbit.core.RabbitAdmin;

import org.springframework.amqp.rabbit.core.RabbitTemplate;

import org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer;

import org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.Configuration;

@Configuration

@EnableRabbit

public class RabbitMQConfig {

@Bean

public ConnectionFactory connectionFactory() {

CachingConnectionFactory connectionFactory = new CachingConnectionFactory("localhost");

connectionFactory.setUsername("guest");

connectionFactory.setPassword("guest");

connectionFactory.setPort(5672);

return connectionFactory;

}

@Bean

    public RabbitTemplate rabbitTemplate() {

        RabbitTemplate rabbitTemplate = new RabbitTemplate(connectionFactory());

        return rabbitTemplate;

    }

@Bean

public AmqpAdmin amqpAdmin() {

return new RabbitAdmin(connectionFactory());

}

@Bean

     public SimpleRabbitListenerContainerFactory myRabbitListenerContainerFactory() {

       SimpleRabbitListenerContainerFactory factory = new SimpleRabbitListenerContainerFactory();

       factory.setConnectionFactory(connectionFactory());

       factory.setMaxConcurrentConsumers(5);

       

       return factory;

     }

    @Bean

    public Queue hello() {

    System.out.println("Queue created");

        return new Queue("hello");

    }

    @Bean

    public Tut1Receiver receiver() {

    System.out.println("Receiver created");

        return new Tut1Receiver();

    }

    @Bean

    public Tut1Sender sender() {

    System.out.println("Sender created");

        return new Tut1Sender();

    }

}

Receiver File 

---------------

package com.onlineExam.config;

import org.springframework.amqp.rabbit.annotation.RabbitHandler;

import org.springframework.amqp.rabbit.annotation.RabbitListener;

@RabbitListener(containerFactory="myRabbitListenerContainerFactory", queues="hello")

public class Tut1Receiver {

@RabbitHandler

    public void process(String msg) {

        // process incoming message

    }

}

[Michael Klishin]

You will get a response quicker if you post your Spring (including Spring AMQP) questions

to Stack Overflow and label them with spring-amqp.

java.lang.NoSuchMethodError strongly suggests a dependency or JDK version mismatch.

I doubt this is RabbitMQ-specific.

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MK

Staff Software Engineer, Pivotal/RabbitMQ

[Gary Russell]

>java.lang.NoSuchMethodError: org.springframework.util.Assert.state(ZLjava/util/function/Supplier;)V

It looks like you are using Spring AMQP 2.x; it requires Spring 5, not Spring Framework 4.

Upgrade Spring or downgrade Spring AMQP to 1.7.8 (which is compatible with Spring Framework 4.3).

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MK

Staff Software Engineer, Pivotal/RabbitMQ

[Nilendu Kumar]

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MK

Staff Software Engineer, Pivotal/RabbitMQ

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@Gary , It Worked after downgrading Spring AMQP to 1.7.8 , thank a lot