<configuration>
    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
            <pattern>%r [%thread] %-5level %logger{20} - %msg%n</pattern>
        </encoder>
    </appender>

    <root level="TRACE">
        <appender-ref ref="STDOUT" />
    </root>
</configuration>

Add logging file for REPL.
Add logging file for REPL.
