%t already includes []

        -->

        <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"

               prefix="localhost_access_log" suffix=".txt"

               pattern="%a - %u [%t] "%r" %s %B "%{Referer}i" "%{User-Agent}i" "%{X-Forwarded-For}i""

               pattern="%a - %u %t "%r" %s %B "%{Referer}i" "%{User-Agent}i" "%{X-Forwarded-For}i""

               rotatable="false"

        />