<?xml version="1.0" encoding="UTF-8"?> <configuration> <!-- always a good activate OnConsoleStatusListener --> <statusListener class="ch.qos.logback.core.status.OnConsoleStatusListener" /> <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender"> <target>System.err</target> <encoder> <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{5} - %msg%n</pattern> </encoder> </appender> <root level="INFO"> <appender-ref ref="STDOUT" /> </root> </configuration>