The log notifier is the only notifier that is enabled by default when the notification service is activated.
The default output for the log notifier is the configured instance log file, which is either the server.log file or cluster.log file, depending on the instance configuration.
From version 18.104.22.168, it is also possible to configure the log notifier to output to a separate log file to avoid notification logs cluttering up the server log, or to reduce the size of log files to parse by log file monitoring software.
The log notifier only handles the output of notifications from the notification service sent to the log and is not responsible for any other log output - more details on Payara Server logging can be found on the logging page.
By default, the log notifier will receive notifications from the notification service and output them to the configured logs when activated.
Because the log notifier is the default notifier for the notification service it can be configured on the same page as the notification service, as shown in the image below:
For any new domain, the notification service will be disabled by default. It can be enabled through the admin console as shown above, or via asadmin commands.
To configure the log notifier through the asadmin tool, use the
NAME set-log-notifier-configuration SYNOPSIS Usage: set-log-notifier-configuration --useseparatelogfile=true|false [--dynamic=false] [--target=server] --enabled=true|false OPTIONS --useseparatelogfile --dynamic --target --enabled
asadmin> set-log-notifier-configuration --enabled=true --dynamic=true
More details on specific commands for the notification service can be found on the notification service page.