基于 Logback
 
play.api.Logger

val log = Logger(this.getClass())
val log = Logger("xxx")
    
log.info("info  name="+name)
log.error("error name="+name)


日志配置
conf/logback.xml

https://www.playframework.com/documentation/2.8.x/SettingsLogger

from class path 
-Dlogger.resource=prod-logger.xml

-Dlogger.file=/opt/prod/logger.xml


SLF4J API has a concept of markers

Markers are especially useful for triggering and filtering 
for example,  send an email when a marker is seen, or particular flows can be marked out to their own appenders.