RabbitMQ Connection Error " None of the specified endpoints were reachable"

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I installed rabbitmq service on the server and on my system. I want to use RPC pattern:

var factory = new ConnectionFactory() { 
  HostName = "158.2.14.42", 
  Port = Protocols.DefaultProtocol.DefaultPort, 
  UserName = "Administrator", 
  Password = "@server@", 
  VirtualHost = "/"
  ContinuationTimeout = new TimeSpan(10, 0, 0, 0) 
};

connection = factory.CreateConnection();

I have an error on creating connection with this message: None of the specified endpoints were reachable

When I use it on localhost instance of the server it works, but when I create the connection from local to that server,it returned the error. It not work with local ip and username and password of the my local computer.

Can anyone help me?

Thank you all. As this : RabbitMQ C# connection trouble when using a username and password After install RabbitMQ, I enabled management tools at the server and on my local computer with this:

rabbitmq-plugins enable rabbitmq_management

Then I restarted RabbitMQ service from services.msc I could see the rabbitmq management at http://localhost:15672 I loginned to rabbit management with user:guest and pass:guest I added my favorite user pass with administrator access,so it worked.

Connections — RabbitMQ, Sustaining a large number of concurrent connections; TLS; Flow control; Connection exceptions (protocol errors); Network failure recovery. and other topics related� Validate RabbitMQ Client Connection to RabbitMQ Node. Assuming none of the previous steps produced errors then you can confidently connect the tested TLS-enabled client to the TLS-enabled port of the broker, making sure to stop any running OpenSSL s_server or stunnel instances first. Certificate Chains and Verification Depth

it means that the client can't reach the server 158.2.14.42 and default vhost /.

Maybe a firewall configuration

Channels — RabbitMQ, When a channel's connection is closed, so is the channel. Channels and Error Handling. In the section above channels were closed by� 1) Open RabbitMQ Command Promp. 2) Change path to "C:\Program Files\RabbitMQ Server\rabbitmq_server-3.6.10\sbin" where rabbitmq_server installed. 3) Run following commamd : rabbitmq-plugins enable rabbitmq_management. If Firewall has blocked it, then popup display. Allow Firewall for this. now you can access in browser.

Do not use guest. Create your own account and password, and in http://localhost:15672/#/users , ensure "can access virtual hosts " is "/"

var factory = new ConnectionFactory() { 
  HostName = "192.168.1.121",
  Port = 5672,
  UserName = "fancky", 
  Password = "123456" 
};

Rabbitmq channel error on connection, I did't have queues, ./rabbitmqadmin list queues returned ~connect error. I've stopped rabbit-server and deleted /var/lib/rabbitmq/mnesia. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

By default as you say RabbitMQ will listen on 5672 but this can be changed, if you have a look at your config (on the MQ server) you should find a section:

rabbit.tcp_listeners

which will detail the port being used. Check it's what you think it is.

Also, are you using IPv4 or IPv6? you may need to have additional config to support both.

Have a read of this:

https://www.rabbitmq.com/networking.html

13 Common RabbitMQ Mistakes and How to Avoid Them , Here is a list, that will help you avoid common RabbitMQ mistake! The handshake process for an AMQP connection is quite complex and requires at least 7 TCP packets (more if TLS is used). Problems with long queues. I am writing a script which gets an article from rabbitMQ queue and process the article to count words and extract key words “error(104, 'Connection reset by

1) Open RabbitMQ Command Promp

2) Change path to "C:\Program Files\RabbitMQ Server\rabbitmq_server-3.6.10\sbin" where rabbitmq_server installed.

3) Run following commamd : rabbitmq-plugins enable rabbitmq_management

If Firewall has blocked it, then popup display. Allow Firewall for this.

now you can access in browser.

RabbitMQ Clusters do not work well on unreliable networks (part of RabbitMQ documentation). So when the network failure happens (in a two node cluster) each node thinks that it is the master and the only node in the cluster.

In AMQP 0-9-1, connection errors are used to communicate unrecoverable ("hard") errors, such as incorrect framing or connection state violations. For example, if a channel with the same ID (number) is opened After sending an error to the client, the connection is closed. Errors that can be corrected and retried are communicated

channel-error: 504: connection: The client attempted to work with a channel that had not been correctly opened. This most likely indicates a fault in the client layer. unexpected-frame: 505: connection: The peer sent a frame that was not expected, usually in the context of a content header and body.

RabbitMQ is the most widely deployed open source message broker. With tens of thousands of users, RabbitMQ is one of the most popular open source message brokers. From T-Mobile to Runtastic, RabbitMQ is used worldwide at small startups and large enterprises. RabbitMQ is lightweight and easy to deploy on premises and in the cloud.

Comments
  • Possible duplicate of RabbitMQ C# connection trouble when using a username and password
  • @RazvanDumitru , I do like that but still have the error. and code doesn't recognize FromEnvironment
  • @RazvanDumitru Thank you,your guidance helped me.
  • I Add 5672 port on widnows firewall of server, but it not solved.
  • Any recommendation? is there any solution that I must be do that?
  • It says as the default, RabbitMQ will listen on port 5672 on all available interfaces. on config file,must be I change on anything?