gistfile1.txt

scala> import org.fluentd.logger.scala.FluentLoggerFactory
import org.fluentd.logger.scala.FluentLoggerFactory

scala> val l = FluentLoggerFactory.getLogger("debug")
l: org.fluentd.logger.scala.FluentLogger = org.fluentd.logger.FluentLogger{tagPrefix=debug,sender=localhost_24224_3000_1048576}

scala> l.log("hoge", Map("a" -> 1))
<console>:12: error: overloaded method value log with alternatives:
  (label: String,data: scala.collection.immutable.Map[String,java.lang.Object])Boolean <and>
  (label: String,data: scala.collection.mutable.Map[String,java.lang.Object])Boolean
 cannot be applied to (java.lang.String, scala.collection.immutable.Map[java.lang.String,Int])
              l.log("hoge", Map("a" -> 1))

scala> l.log("hoge", Map("a" -> Map("b" -> "c")))
res4: Boolean = true

// 2013-01-24 23:02:45 +0900 debug.hoge: {"a":"Map(b -> c)"}