Sometimes, it is necessary to gather additional logging information in the portal.log. This can be accomplished through the Liferay Control Panel.
These changes can be made on the fly without restarting wasp, however it may still be necessary to restart wasp if we are troubleshooting something that occurs during the startup phase.
Once troubleshooting has been completed, it is advisable to set the loglevel back to ERROR.
Accessing the Logging Facilities
In order to access and modify the logging levels you will need to use the Liferay Control Panel.