July 30, 2023

tCassandraConnection – Docs for ESB 7.x


Enables the reuse of the connection it creates to a Cassandra server.

opens a connection to a Cassandra server.

tCassandraConnection Standard properties

These properties are used to configure tCassandraConnection running in the Standard Job framework.

The Standard
tCassandraConnection component belongs to the Big Data and the Databases NoSQL families.

The component in this framework is available in all Talend products with Big Data
and in Talend Data Fabric.

Basic settings

Property type

Either Built-In or Repository.

Built-In: No property data stored centrally.

Repository: Select the repository file where the
properties are stored.

Use existing connection

Select this check box and in the Component List click the relevant connection component to
reuse the connection details you already defined.

DB Version Select the Cassandra version you are using.


Type in the IP address or hostname of the Cassandra server.


Type in the listening port number of the Cassandra

Required authentication

Select this check box to enable the database authentication.


Fill in this field with the username for the Cassandra


Fill in this field with the password for the Cassandra

To enter the password, click the […] button next to the
password field, and then in the pop-up dialog box enter the password between double quotes
and click OK to save the settings.

Use SSL connection

Select this check box to enable the SSL or TLS encrypted connection.

Then you need to use the tSetKeystore
component in the same Job to specify the encryption information.

Advanced settings

tStatCatcher Statistics

Select this check box to gather the Job processing metadata at the
Job level as well as at each component level.

Global Variables

Global Variables

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 check box is
cleared, if the component has this check box.

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 +
to access the variable list and choose the variable to use from it.

For further information about variables, see
Talend Studio

User Guide.


Usage rule

This component is generally used with other Cassandra components,
particularly tCassandraClose.

Related scenario

For a scenario in which tCassandraConnection is used,
see Handling data with Cassandra.

Document get from Talend https://help.talend.com
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