From MapbenderWiki
# --------------------------------------------
# Mapbender error logging
# --------------------------------------------
define("LOG_LEVEL_LIST", "off,error,warning,notice,all");
define("LOG_LEVEL", "all");
define("LOG_JS", "on"); // "on", "alert", "console", "off"
- LOG_LEVEL_LIST: list of available log levels.
- LOG_LEVEL: a single entry of LOG_LEVEL_LIST:
- off: no logging.
- error: only errors will be logged.
- warning: only errors and warnings will be logged.
- notice: errors and warnings and notices will be logged.
- all: everything will be logged (at the moment equal to the setting "notice").
- LOG_JS: Sets the handling of JS exceptions: The log entries will be
- on: written in a log file (just like in PHP).
- alert: alerted in the browser. Useful for debugging with Internet Explorer.
- console: displayed in the Firebug console. Useful when debugging with Firefox.
- off: pulverised.