Struts2フレームワークを利用したWebアプリケーションにてStruts2.3→Struts2.5へバージョンアップ（同時にlog4j→log4j2）後、eclipse（mavenプロジェクト）でデバッグ実行（tomcat起動）したところ、コンソールに下記エラーが出てました。
log4j2.xmlの記述も問題ないと思いますが、エラーが消えません。
ちなみにlog4j2.xmlで指定したファイルのログは書き出されております。
エラー内容について何かご存知であればお教え頂けますか？

ERROR StatusLogger Unrecognized format specifier [d]
ERROR StatusLogger Unrecognized conversion specifier [d] starting at position 16 in conversion pattern.
ERROR StatusLogger Unrecognized format specifier [thread]
ERROR StatusLogger Unrecognized conversion specifier [thread] starting at position 25 in conversion pattern.
ERROR StatusLogger Unrecognized format specifier [level]
ERROR StatusLogger Unrecognized conversion specifier [level] starting at position 35 in conversion pattern.
ERROR StatusLogger Unrecognized format specifier [logger]
ERROR StatusLogger Unrecognized conversion specifier [logger] starting at position 47 in conversion pattern.
ERROR StatusLogger Unrecognized format specifier [msg]
ERROR StatusLogger Unrecognized conversion specifier [msg] starting at position 54 in conversion pattern.
ERROR StatusLogger Unrecognized format specifier [n]
ERROR StatusLogger Unrecognized conversion specifier [n] starting at position 56 in conversion pattern.
ERROR StatusLogger No log4j2 configuration file found. Using default configuration: logging only errors to the console.
ERROR StatusLogger Unrecognized format specifier [d]
ERROR StatusLogger Unrecognized conversion specifier [d] starting at position 16 in conversion pattern.
ERROR StatusLogger Unrecognized format specifier [thread]
ERROR StatusLogger Unrecognized conversion specifier [thread] starting at position 25 in conversion pattern.
ERROR StatusLogger Unrecognized format specifier [level]
ERROR StatusLogger Unrecognized conversion specifier [level] starting at position 35 in conversion pattern.
ERROR StatusLogger Unrecognized format specifier [logger]
ERROR StatusLogger Unrecognized conversion specifier [logger] starting at position 47 in conversion pattern.
ERROR StatusLogger Unrecognized format specifier [msg]
ERROR StatusLogger Unrecognized conversion specifier [msg] starting at position 54 in conversion pattern.
ERROR StatusLogger Unrecognized format specifier [n]
ERROR StatusLogger Unrecognized conversion specifier [n] starting at position 56 in conversion pattern.

実行環境は下記の通りです。
【実行環境】
・eclipse luna 4.4.2
・CentOS7.3
・Apache2.4.6
・Tomcat7.0.69
・Java1.8.0_131
・Struts2.5.10.1
・Spring4.1.6

log4j2は下記ライブラリを使用しております。
・log4j-core-2.7.jar
・log4j-api-2.7.jar
・log4j-web-2.7.jar
・log4j-1.2-api-2.7.jar

log4j2.xmlは下記の通りです。
【log4j2.xml】

<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="off">
<Appenders>
    <Console name="STDOUT" target="SYSTEM_OUT">
        <PatternLayout pattern="%d{yyyy/MM/dd HH:mm:ss.SSS} %-5p %t %m (%F:%L) \r\n"/>
    </Console>
    <RollingFile name="AAA_LOG"
        fileName="/var/log/AAA.log"
        filePattern="/var/log/AAA.log.%d{yyyy-MM-dd}">
        <PatternLayout pattern="%d{yyyy/MM/dd HH:mm:ss.SSS} %-5p %t %m \r\n"/>
            <Policies>
                <OnstartupTriggeringPolicy />
                <SizeBasedTriggeringPolicy size="10MB" />
                <TimeBasedTriggeringPolicy />   
            </Policies>
            <DefaultRolloverStrategy max="10" />
    </RollingFile>
    <RollingFile name="BBB_LOG"
        fileName="/var/log/BBB.log"
        filePattern="/var/log/BBB.log.%d{yyyy-MM-dd}">
        <PatternLayout pattern="%d{yyyy/MM/dd HH:mm:ss.SSS} %-5p %t %m \r\n"/>
            <Policies>
                <OnstartupTriggeringPolicy />
                <SizeBasedTriggeringPolicy size="10MB" />
                <TimeBasedTriggeringPolicy />   
            </Policies>
            <DefaultRolloverStrategy max="10" />
    </RollingFile>        
</Appenders>
<Loggers>
    <Logger name="XXX.YYY.ZZZ" level="info" additivity="false">
        <AppenderRef ref="AAA_LOG"/>
    </Logger>        
    <Root level="info">
        <AppenderRef ref="BBB_LOG"/>
    </Root>        
</Loggers>