Log4j

Soy tonto! me he pasado un buen rato intentando configurar el logging, y no habia manera... al final me he dado cuenta que falta la libreria del log4j... en fin.

mi log4j.xml de la muerte

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

<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/" debug="false">
        <appender name="CONSOLE" class="org.apache.log4j.ConsoleAppender">
                <layout class="org.apache.log4j.PatternLayout">
                     <param name="ConversionPattern"
                                value="[%d{dd/MM/yy hh:mm:ss:sss z}] %5p %c: %m%n" />
                </layout>
        </appender>
        <appender name="FILE" class="org.apache.log4j.RollingFileAppender">
                <param name="File" value="logs/output.log"/>
                <param name="MaxFileSize" value="1MB"/>
                <param name="MaxBackupIndex" value="100"/>
                <layout class="org.apache.log4j.PatternLayout">
                     <param name="ConversionPattern"
                                value="[%d{dd/MM/yy hh:mm:ss:sss z}] %5p %c{2}: %m%n" />
                </layout>
        </appender>
        
  <logger name="org.apache">
      <level value="WARN"/>
      <appender-ref ref="FILE"/>
    </logger>
    <logger name="org.springframework">
      <level value="WARN"/>
      <appender-ref ref="FILE"/>
    </logger>
    <logger name="java.sql">
      <level value="INFO"/>
      <appender-ref ref="FILE"/>
    </logger>
    <logger name="java.sql.Statement">
      <level value="INFO"/>
      <appender-ref ref="CONSOLE"/>
    </logger>

        <root>
                <priority value="DEBUG"/>
                <appender-ref ref="CONSOLE"/>
        </root>
</log4j:configuration>