message-sending-with-rabbit-mq

A spring boot application that shows how to configure rabbit MQ with spring boot and send message with producer and consumer concept.

How to start:

1. Download ERLang with version 25.3. Link: https://www.erlang.org/patches/otp-25.3
2. Download a suitable version of rabbit MQ(3.11.13). Link: https://github.com/rabbitmq/rabbitmq-server/releases

You can find your compatible version : https://www.rabbitmq.com/which-erlang.html

3. Install relang and rebbit MQ.

4. Go to. directory where it installed: EX: C:\Program Files\RabbitMQ Server\rabbitmq_server-3.11.11\sbin

5. Open a command prompt and run the server: rabbitmq-server start

6. Open browser and go to http://localhost:15672 with username: guest and password: guest

7. Now create and configure your QUEUE and Exchange by following these steps:

   i. Create two exchanges:

    a. javabeans.exchange
    
    b. javabeans.deadLetterExchange
   

   ii. Create a dead letter queue qith name: javabeans.deadLetterQueue

   iii. Now Bind the dead letter exchange with the dead letter queue with value:

    a. To queue: javabeans.deadLetterQueue
    
    b. Routing Key: javabeans.deadLetterRoutingkey
   

   iv. Create a queue with name : javabeans.queue with these arguments:

    a. x-dead-letter-exchange : javabeans.deadLetterExchange
    
    b. x-dead-letter-routing-key : javabeans.deadLetterRoutingkey
   

   You can find a screenshot here: https://prnt.sc/-Ar0iiAXEbvw

   v. Last Step: Bind the queue with the exchange : javabeans.exchange:

    a. To queue: javabeans.queue
    
    b. Routing Key: javabeans.routingkey
   

   You can find a screenshot here: https://prnt.sc/S0XVurH9UaNJ

8. Now clone the project and run it.

Notes :

1. Dependencies used:

   a. Spring Web

   b. Rabbit AMQP

2. Configuration properties used:

   spring.rabbitmq.host=localhost
   
   spring.rabbitmq.port=5672
   
   spring.rabbitmq.username=guest
   
   spring.rabbitmq.password=guest
   
   spring.rabbitmq.exchange=javabeans.exchange
   
   spring.rabbitmq.queuename=javabeans.queue
   
   spring.rabbitmq.routingkey=javabeans.routingkey
   
   com.javabeans.deadLetterQueue=javabeans.deadLetterQueue
   
   com.javabeans.deadLetterExchange=javabeans.deadLetterExchange
   
   com.javabeans.deadLetterRoutingkey=javabeans.deadLetterRoutingkey
   
   server.port=8085
   
   #Email Configuration
   com.javabeans.mail.username=<The email from which you want to send messages>
   
   com.javabeans.password=<Your Generated App Password>
   
   com.javabeans.mail.host=smtp.gmail.com
   
   com.javabeans.mail.port=587
   
   com.javabeans.mail.debug=true
   
   com.javabeans.mail.smtp.auth=true
   
   com.javabeans.mail.smtp.starttls.enable=true
   
   com.javabeans.mail.transport.protocol=smtp