Thread:Extension talk:LDAP Authentication/while using log level 4 , no log file is generated

system info

mediawiki=1.16.2 LDAPextensions=1.2d php=5.2 apache=2.2 os=FreeBSD 8.2

Problem

Without the following settings, mediawiki worked fine. With LDAP, can't log in. While I want to see log, No log file is generated.

Localsetings.php