PlayFramework2.x ログの設定でSyslogAppenderを使う ref: http://qiita.com/mychaelstyle/items/e9e9df1582aa3e7a7e47

command

./target/universal/stage/bin/[yourapp] -Dlogger.resource=logger-prod.xml

logger.xml

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
  <conversionRule conversionWord="coloredLevel" converterClass="play.api.Logger$ColoredLevel" />
  <appender name="SYSLOG" class="ch.qos.logback.classic.net.SyslogAppender">
    <syslogHost>localhost</syslogHost>
    <port>514</port>
    <facility>LOCAL3</facility>
    <suffixPattern>%date - [%level] - [%thread] %logger %msg</suffixPattern>
  </appender>
  <logger name="play" level="INFO" />
  <logger name="application" level="INFO" />
  <root level="INFO">
    <appender-ref ref="SYSLOG" />
  </root>
</configuration>

rsyslog.conf追記TCP+UDP待ち受けとlocal3出力

$ModLoad imudp
$UDPServerRun 514
$InputTCPServerRun 514

local3.*     /var/log/myapp.log