springmvc+jboss的log4j配置流程：报错

org.apache.log4j.Appender
Implement this interface for your own strategies for outputting log statements.

<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE log4j:configuration SYSTEM "log4j.dtd"> <log4j:configuration> <appender name="FILE" class="org.apache.log4j.FileAppender"> <param name="file" value="${log}/log.out"/> <param name="immediateFlush" value="true"/> <param name="threshold" value="debug"/> <param name="append" value="false"/> <layout class="org.apache.log4j.PatternLayout"> <param name="conversionPattern" value="%m%n"/> </layout> </appender> <logger name="log4j.rootLogger" additivity="false"> <level value="DEBUG"/> <appender-ref ref="FILE"/> </logger> </log4j:configuration>

<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE log4j:configuration SYSTEM "log4j.dtd"> <log4j:configuration> <appender name="DB" class="org.apache.log4j.jdbc.JDBCAppender"> <param name="url" value="jdbc:mysql://localhost/DBNAME"/> <param name="driver" value="com.mysql.jdbc.Driver"/> <param name="user" value="user_id"/> <param name="password" value="password"/> <param name="sql" value="INSERT INTO LOGS VALUES('%x','%d','%C','%p','%m')"/> <layout class="org.apache.log4j.PatternLayout"> </layout> </appender> <logger name="log4j.rootLogger" additivity="false"> <level value="DEBUG"/> <appender-ref ref="DB"/> </logger> </log4j:configuration>

CREATE TABLE LOGS (USER_ID VARCHAR(20) NOT NULL, DATED DATE NOT NULL, LOGGER VARCHAR(50) NOT NULL, LEVEL VARCHAR(10) NOT NULL, MESSAGE VARCHAR(1000) NOT NULL );