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Configuring Talend Data Preparation when Talend Administration Center is in HTTPS

Last updated: 8/26/2026
For Talend Data Preparation to be able to connect to a Talend Administration Center instance running in https, Talend Data Preparation must trust the Talend Administration Center certificate.

Procedure

  1. Retrieve Talend Administration Center certificate, or its Certificate Authority and add it to an existing or new .jks file following this example:
    keytool -import -trustcacerts -alias <cert-alias> -file <tac_certificate.crt> -keystore <truststore.jks>
  2. In the <Data_Preparation_Path>/config/application.properties file, add the following properties to set the truststore: 
    tls.trust-store=/path/to/<truststore.jks>
tls.trust-store-password=<trust-store_password>

false to disable hostname verification
tls.verify-hostname=true
  3. Restart Talend Data Preparation.

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