RabbitMQ bad_header

[Anju S]

I am new to RabbitMQ. I have setup RabbitMQ server in my local machine and trying to test it out by publishing a message to a queue. But connection (from postman) fails and I could see below entry in log file.

2022-12-03 10:19:28.722000-07:00 [info] <0.702.0> accepting AMQP connection <0.702.0> ([::1]:64594 -> [::1]:5672)
2022-12-03 10:19:30.808000-07:00 [error] <0.702.0> closing AMQP connection <0.702.0> ([::1]:64594 -> [::1]:5672):
2022-12-03 10:19:30.808000-07:00 [error] <0.702.0> {bad_header,<<"123\r\n\r\ns">>}

I tried to test connection with telnet, but even then I see same error in log file.

Can somebody guide me to where I am going wrong here.

[gftea]

are you using any rabbitmq client?

[Luke Bakken]

Hello,

Postman will send HTTP requests containing JSON data. You are connecting to port 5672, which expects the AMQP protocol.

When you use telnet, you are sending text data. Again, this is not the AMQP protocol, so you see a similar error.

So, you have two options:

• Use an AMQP client library to communicate with RabbitMQ over port 5672 (https://www.rabbitmq.com/devtools.html)
• Enable the management plugin and use Postman to make HTTP requests to the RabbitMQ API (https://www.rabbitmq.com/management.html, https://www.rabbitmq.com/management.html#http-api)

Thanks,

Luke