# tRabbitMQConnection Establishes a connection to a message queue for later use. This component is not shipped with your Talend Studio by default. You need to install it using the Feature Manager. For more information, see [Installing features using the Feature Manager](https://help.qlik.com/talend/r/en-US/8.0/studio-user-guide/install-features-to-talend-studio). ## tRabbitMQConnection Standard properties These properties are used to configure tRabbitMQConnection running in the Standard Job framework. The Standard tRabbitMQConnection component belongs to the Internet family. The component in this framework is available in all subscription-based Talend products. ## Basic settings | Properties | Description | | --- | --- | | Property Type | Either Built-In or
Repository.


Built-In: No property data stored
centrally.


Repository: Select the repository file
in which the properties are stored. The database connection related fields that
follow are completed automatically using the data retrieved. | | Host name | Enter the host name, for example, localhost. | | Port | Enter the port number. The default is 5672. | | Username and Password | Enter the username and the password for accessing the message queue.

To enter the password, click the [...] button
next to the Password field to bring out the Enter a new
password dialog box, enter the password in the text field, and click
OK. Note that you can enter the password either in a JSON string
in the pure password mode or as a Java expression in the Java
mode. You can toggle between the two modes by clicking switch to
Java mode or switch to pure password mode on the top
of the text field.

Information noteNote:

| | Use TLS | Select this option to use TLS for the connection. | ## Advanced settings | Properties | Description | | --- | --- | | tStatCatcher Statistics | Select this check box to gather the Job processing metadata at the
Job level as well as at each component level. | | Use virtual host | Select this option to use a virtual host for publishing or receiving messages.
Specify the virtual host to be used by entering the virtual host name in the
Virtual host name field.

Information noteNote: This option is available only when you have installed the 8.0.1-R2023-01
Talend Studio Monthly update or a later one delivered by Talend. For more information, check with your administrator. | ## Global Variables | Variables | Description | | --- | --- | | Global Variables | NB\_LINE: the number
of rows read by an input component or transferred to an output component. This is an
After variable and it returns an integer.


ERROR\_MESSAGE: the error message generated by the
component when an error occurs. This is an After variable and it returns a string. This
variable functions only if the Die on error checkbox is
cleared, if the component has this checkbox.

A Flow variable functions during the execution of a component
while an After variable functions after the execution of the component.

To fill up a field or expression with a variable, press Ctrl+Space to access the variable list and choose the variable to use from
it.

For more information about variables, see [Using contexts and variables](https://help.qlik.com/talend/r/en-US/8.0/studio-user-guide/contexts-and-variables). | ## Usage | Usage guidance | Description | | --- | --- | | **Usage rule** | This component establishes a connection to a message queue
for tRabbitMQInput and tRabbitMQOutput. | | Limitation | n/a |