log4j2.xml配置的问题？

Question

<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="off" monitorInterval="1800">

    <properties>
        <property name="LOG_HOME">x:/MSP/test/log</property>
        <property name="FILE_NAME">test</property>
    </properties>

    <Appenders>
        <Console name="Console" target="SYSTEM_OUT">
            <PatternLayout pattern="[%d{yyyy/MM/dd HH:mm:ss,SSS} %-5p][%F:%L] [%thread] - %msg%n" />
        </Console>

        <RollingRandomAccessFile name="running-log"
            fileName="${LOG_HOME}/${FILE_NAME}.log"
            filePattern="${LOG_HOME}/$${date:yyyy-MM}/${FILE_NAME}-%d{yyyy-MM-dd}-%i.log.gz">
            <PatternLayout
                pattern="[%d{yyyy/MM/dd HH:mm:ss,SSS} %-5p][%F:%L] [%thread] - %msg%n" />
            <Policies>
                <TimeBasedTriggeringPolicy />
                <SizeBasedTriggeringPolicy size="10 MB" />
            </Policies>
            <DefaultRolloverStrategy max="20" />
        </RollingRandomAccessFile>
    </Appenders>

    <Loggers>
        <Logger name="me.deweixu" level="trace"
            additivity="true">
            <AppenderRef ref="running-log" />
        </Logger>
        <Root level="debug">
            <AppenderRef ref="Console" />
        </Root>
    </Loggers>
</Configuration>

我使用上面的日志配置，为什么程序出现空指针异常的时候没有异常信息在控制台和日志中输出？

Answer 1

1. log4j的配置有没有在系统启动时正确设置

2. 异常有没有打到日志里？