src/main/resources/log4j.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">

<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">
    <appender name="file" class="org.apache.log4j.RollingFileAppender">
        <param name="append" value="false" />
        <param name="maxFileSize" value="1MB" />
        <param name="maxBackupIndex" value="5" />
        <param name="file" value="logs/server.log" />
        <layout class="org.apache.log4j.PatternLayout">
            <param name="ConversionPattern"
                   value="%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n" />
        </layout>
    </appender>
    <appender name="console" class="org.apache.log4j.ConsoleAppender">
        <param name="Threshold" value="WARN"/>
        <param name="Target" value="System.out"/>
        <layout class="org.apache.log4j.PatternLayout">
            <param name="ConversionPattern" value="%-5p %c{1} - %m%n"/>
        </layout>
    </appender>

    <root>
        <priority value="info" />
        <appender-ref ref="file" />
        <appender-ref ref="console" />
    </root>

</log4j:configuration>