logback.xml

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<configuration>
    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{60} %X{sourceThread} - %msg%n</pattern>
        </encoder>
    </appender>

    <root level="DEBUG">
        <appender-ref ref="STDOUT"/>
    </root>

    <logger name="org.apache.kafka" level="INFO">
        <appender-ref ref="STDOUT"/>
    </logger>

</configuration>