Setting the custom key for encryption - 7.3

Talend Data Integration Installation Guide for Windows

Talend Data Integration
Installation and Upgrade
Talend Activity Monitoring Console
Talend Administration Center
Talend Artifact Repository
Talend CommandLine
Talend Data Preparation
Talend Data Stewardship
Talend Identity and Access Management
Talend Installer
Talend JobServer
Talend Log Server
Talend Runtime
Talend Studio

In the <tomcat_path>WEB-INF\classes\ file, the master.key parameter is mandatory for encoding and decoding passwords. If this parameter is missing, Talend Administration Center can not work properly.

This parameter can only be updated before the first start of the Talend Administration Center. It can not be changed after Talend Administration Center is started.


  1. Open the following file to edit it:
  2. Set the value of the master.key parameter then save your changes.
    The requirement for this parameter is:
    • 16 symbols length
    • Base64 encoded