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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

  1. Install relang and rebbit MQ.

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

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

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

  5. 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

  6. 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