libraryDependencies += "org.apache.logging.log4j" %% "log4j-core" % "2.14.1"
<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="WARN">
<Appenders>
<Console name="Console" target="SYSTEM_OUT">
<PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
</Console>
<File name="File" fileName="log/app.log">
<PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
</File>
</Appenders>
<Loggers>
<Root level="INFO">
<AppenderRef ref="Console"/>
<AppenderRef ref="File"/>
</Root>
</Loggers>
</Configuration>
scala
import org.apache.logging.log4j.LogManager
import org.apache.logging.log4j.Logger
scala
val logger: Logger = LogManager.getLogger("MyLogger")
logger.info("This is an informational message.")
logger.error("This is an error message.")
