See Admin Settings Page in the Admin Guide.

Command Line

Start

Command:

service trifacta start

Verify operations

Steps:

1. Check logs for errors:

   /opt/trifacta/logs/*.log

    

   1. You can also access logs through the  for each service. See System Services and Logs in the Admin Guide. 

2. Login to the . If available, perform a simple transformation operation. See  Login.

3. Run a simple job. See Verify Operations in the Admin Guide.

Restart

Command:

service trifacta restart

When the login page is available, the system has been restarted. See Login.

Stop

Command:

service trifacta stop

Configure Platform Restart

By default, the  waits for a period of time for the  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.

Steps:

1. 

2. Locate the following parameters, and adjust settings as needed:
   
   

   "webapp.waitForRestart.initialWait": 45000, "webapp.waitForRestart.intervalWait": 5000, "webapp.waitForRestart.maxChecks": 60,

   Setting	Description
   webapp.waitForRestart.initialWait	Number of seconds to wait for the before checking it for a successful restart. Default is 45000 milliseconds (45 seconds).
   webapp.waitForRestart.intervalWait	After the initial wait period has failed, this value is the number of seconds to wait before checking the for a successful restart. Default is 5000 milliseconds (5 seconds).
   webapp.waitForRestart.maxChecks	Total number of checks for a successful restart before failing the .

3. Save your changes and restart the application.

Troubleshooting

You can verify operations of WebHDFS. Command:

curl -i  "http://<hadoop_node>:<port_number>/webhdfs/v1/?op=LISTSTATUS&user.name=trifacta"

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:

Traceback (most recent call last):
File "/usr/local/bin/supervisord", line 5, in <module>
from pkg_resources import load_entry_point
ImportError: No module named pkg_resources

This error occurs when the supervisord process is starting. The   fails to complete startup.

Solution:

This issue is caused by a missing package for supervisord. The simplest solution is to install the Python setup tools on the . Commands are listed below.

CentOS/RHEL:

yum install python-setuptools

Ubuntu:

wget https://bootstrap.pypa.io/ez_setup.py -O - | python

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: 

2016-10-04T14:03:17.883Z - error: [ENVIRONMENT] Environment Sanity Test Failed
2016-10-04T14:03:17.883Z - error: [ENVIRONMENT] Exception Type: Error
2016-10-04T14:03:17.883Z - error: [ENVIRONMENT] Exception Message: SequelizeConnectionRefusedError: connect ECONNREFUSED

Solution:

This error can occur when the operating system is restarted. Please execute the following commands to check the PostgreSQL configuration and restart the databases. 

chkconfig postgresql-12 on

Then, restart the platform as normal. 

service trifacta restart