Configuring Talend Data Preparation after installation

Procedure

Open the <Data_Preparation_Path>/config/application.properties file and edit the following Talend Data Preparation properties:

Field	Action
public.ip	Enter the hostname you want to use to access Talend Data Preparation.
server.port	Enter the port you want to use for Talend Data Preparation user interface.
iam.ip	Enter the URL to your Talend Identity and Access Management instance.
security.oauth2.client.clientId	Enter the Talend Identity and Access Management OIDC client identifier.
security.oauth2.client.clientSecret	Enter the Talend Identity and Access Management OIDC client password.
iam.scim.url	Make sure that Talend Identity and Access Management port is correct.
app.products[0].id=TDS app.products[0].name=Data Stewardship app.products[0].url=<place_your_tds_url_here>	Enter the URL to your Talend Data Stewardship instance.

All the passwords entered in the properties file are encrypted when you start your Talend Data Preparation instance.

Update the following fields with your MongoDB settings:

Field	Description
mongodb.host	Host name of your MongoDB instance
mongodb.port	Port number of your MongoDB instance
mongodb.database	Name of the database on which Talend Data Preparation is connected, dataprep by default. The database is created when you first launch Talend Data Preparation.
mongodb.user	Username used to connect to the database
mongodb.password	Password used to connect to the database

To enable the interaction between Talend Data Preparation and the Components Catalog service, edit the following line with your Components Catalog server host and port:
tcomp.server.url=http://<tcomp_host>:<tcomp_port>/tcomp
To enable the app switcher after installing Talend Data Preparation and Talend Data Stewardship, uncomment the following lines and add the URL to your Talend Data Stewardship instance:
```
app.products[0].id=TDS
app.products[0].name=Data Stewardship
app.products[0].url=<place_your_tds_url_here>
```
You must also add the URL to your Talend Data Preparation instance to the configuration file for Talend Data Stewardship. For more information, see the section about configuring Talend Data Stewardship after installation.
By default, audit logs are enabled. You must specify the correct appender.http.url parameter in the audit.properties file, or disable audit logs. For more information, see Enabling and configuring audit capabilities in Talend Data Preparation.

To configure the access to Talend Dictionary Service, edit the following fields:

Field	Description
tsd.consumer.enabled	Set the value of this parameter to true in order to enable the interaction between Talend Data Preparation and Talend Dictionary Service.
dataquality.semantic.list.enable	Set the value of this parameter to true in order to display the semantic type management interface in Talend Data Preparation.
dataquality.server.url	Enter the URL to your Talend Dictionary Service instance.
spring.cloud.stream.kafka.binder.brokers	Enter the host corresponding to your Kafka broker.
spring.cloud.stream.kafka.binder.defaultBrokerPort	Enter the port corresponding to your Kafka broker.
spring.cloud.stream.kafka.binder.zkNodes	Enter the host corresponding to your ZooKeeper node.
spring.cloud.stream.kafka.binder.defaultZkPort	Enter the port corresponding to your ZooKeeper node.

- Big Data Platform
- Data Fabric
- Data Management Platform
- Data Services Platform
- MDM Platform
- Real-Time Big Data Platform
Change the value of the dataquality.indexes.file.location property from ${java.io.tmpdir}/org.talend.dataquality.semantic to <other_location>/org.talend.dataquality.semantic.
By default, the custom semantic types that you create using Talend Dictionary Service are stored in a tmp directory. To avoid losing your changes, it is recommended to change the save location of your custom semantic types. You can set a path to the location of your choice, as long as it is not in a tmp folder.
To enable the semantic types, edit the following lines: dataquality.semantic.list.enable=true and dataquality.server.url=http://<local machine ip>:8187/.
Execute the start.bat file to start your Talend Data Preparation instance.

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