Apache Log4j :: Apache Log4jAppenders targeting files, network sockets, databases, SMTP servers, etc. Layouts that can render CSV, HTML, JSON, Syslog, etc. formatted outputs Filters based on log event rates, regular expressions, scripts, time, etc. Lookups for accessing system properties, environment variables, log event fields, etc. Reliability Log4j is built with solid reliability in mind. It can automatically reload its c
