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RabbitMQ Transport (via AmqpOroMessageQueue Bundle)

The bundle registers AmqpTransportFactory.

AMQP (RabbitMQ) Transport

RabbitMQ provides better and faster messages delivery versus DBAL. You should prefer to use it if possible.

Options

The config settings for the default RabbitMQ Access Control settings (a user named guest with a default password of guest, granted full access to the / virtual host) are:

# app/config/config.yml

oro_message_queue:
  transport:
    default: 'amqp'
    amqp:
        host: 'localhost'
        port: '5672'
        user: 'guest'
        password: 'guest'
        vhost: '/'

We can also move the specified options to the parameters.yml:

# app/config/config.yml

oro_message_queue:
    transport:
        default: '%message_queue_transport%'
        '%message_queue_transport%': '%message_queue_transport_config%'
    client: ~
# app/config/parameters.yml

    message_queue_transport: 'amqp'
    message_queue_transport_config: { host: 'localhost', port: '5672', user: 'guest', password: 'guest', vhost: '/' }

RabbitMQ installation

You need to have RabbitMQ version 3.6.* installed to use the AMQP transport. To install the RabbitMQ you should follow the download and installation manual.

After the installation please check you have all the required plugins installed and enabled.

RabbitMQ plugins

Required plugins

Plugin name Version Appointment
rabbitmq_del ayed_message _exchange 20171215 A plugin that adds delayed-messa ging (or scheduled-mes saging) to RabbitMQ. See also

The plugin rabbitmq_delayed_message_exchange is necessarily needed for the proper work but it is not installed by default so you need to download, install and enable it.

To download it use a command like

wget https://dl.bintray.com/rabbitmq/community-plugins/3.6.x/rabbitmq_delayed_message_exchange/rabbitmq_delayed_message_exchange-20171215-3.6.x.zip && unzip rabbitmq_delayed_message_exchange-20171215-3.6.x.zip -d {RABBITMQ_HOME}/plugins && rm rabbitmq_delayed_message_exchange-20171215-3.6.x.zip

To enable it use the command

rabbitmq-plugins enable --offline rabbitmq_delayed_message_exchange

Plugins management

To enable plugins, use the rabbitmq-plugins tool: rabbitmq-plugins enable plugin-name

And to disable plugins again, use: rabbitmq-plugins disable plugin-name

You can see a list of which plugins are enabled with: rabbitmq-plugins list  -e

You will see something like:

[e*] amqp_client                       3.6.5
[e*] mochiweb                          2.13.1
[E*] rabbitmq_delayed_message_exchange 20171215
[E*] rabbitmq_management               3.6.5
[e*] rabbitmq_management_agent         3.6.5
[e*] rabbitmq_web_dispatch             3.6.5
[e*] webmachine                        1.10.3

The sign [E*] means that the plugin was explicitly enabled i.e. somebody enabled manually. The sign [e*] means the plugin was implicitly enabled i.e. enabled automatically as it was required for some other enabled plugin.

More about RabbitMQ plugins

More about RabbitMQ plugins management

Troubleshooting

The exception

[PhpAmqpLib\Exception\AMQPRuntimeException]
Broken pipe or closed connection

might be caused by one of the following reasons:

  • The plugin rabbitmq_delayed_message_exchange is missing
  • The RabbitMQ version is too old (older than 3.5.8)

RabbitMQ Useful Hints

  • You can see the RabbitMQ default web interface here if the rabbitmq_management plugin is enabled: http://localhost:15672/. See more details here.
  • You can temporary stop RabbitMQ by running the command rabbitmqctl stop_app. The command will stop the RabbitMQ application, leaving the Erlang node running. You can resume it with the command rabbitmqctl start_app. See more details here.
Browse maintained versions:3.01.122.02.32.6

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