Tip: The Restart Trifacta button in the Admin Settings page is the preferred method for restarting the platform.
NOTE: The restart button is not available when high availability is enabled for the Trifacta® node.
See Admin Settings Page in the Admin Guide.
NOTE: In an Azure HDI environment, you must perform platform start and stop operations from
/opt/trifacta. Running these commands from other directories, such as
/root, can cause service issues.
NOTE: These operations must be executed under the root user.
Check logs for errors:
You can also access logs through the Trifacta® application for each service. See System Services and Logs in the Admin Guide.
Login to the Trifacta application. If available, perform a simple transformation operation. See Login.
Run a simple job. See Verify Operations in the Admin Guide.
When the login page is available, the system has been restarted. See Login.
Configure Platform Restart
By default, the Trifacta platform waits for a period of time for the Trifacta application to restart before re-activating the user interface. As needed, you can review and modify the following settings, which define the parameters of these restarts.
- You can apply this change through the Admin Settings Page (recommended) or
trifacta-conf.json. For more information, see Platform Configuration Methods.
Locate the following parameters, and adjust settings as needed:
Setting Description webapp.waitForRestart.initialWait
Number of seconds to wait for the Trifacta application before checking it for a successful restart. Default is
45000milliseconds (45 seconds).
After the initial wait period has failed, this value is the number of seconds to wait before checking the Trifacta application for a successful restart. Default is
5000milliseconds (5 seconds).
Total number of checks for a successful restart before failing the Trifacta application.
- Save your changes and restart the application.
You can verify operations of WebHDFS. Command:
Error - "ImportError: No module named pkg_resources" error in supervisord
When you start the platform for the first time, you may receive the following error:
This error occurs when the supervisord process is starting. The Trifacta platform fails to complete startup.
This issue is caused by a missing package for supervisord. The simplest solution is to install the Python setup tools on the Trifacta node. Commands are listed below.
NOTE: These commands must be executed as root user.
After installation is complete, restart the platform.
Error - SequelizeConnectionRefusedError: connect ECONNREFUSED
If you have attempted to start the platform after an operating system reboot, you may receive the following error message, and the platform start fails to complete:
NOTE: This solution applies to PostgreSQL 12.3 only. Please modify for your installed database version.
This error can occur when the operating system is restarted. Please execute the following commands to check the PostgreSQL configuration and restart the databases.
Then, restart the platform as normal.
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