勿在 LogBack 的配置中使用相对路径:配置报错 

请看下面这段配置，这是无法工作的：

<?xml version="1.0" encoding="UTF-8" ?>
<configuration>
    <contextName>JTheque</contextName>
 
    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <file>logs/jtheque.log</file>
 
        <rollingPolicy class="ch.qos.logback.core.rolling.FixedWindowRollingPolicy">
            <FileNamePattern>logs/jtheque.%i.log.zip</FileNamePattern>
            <MinIndex>1</MinIndex>
            <MaxIndex>5</MaxIndex>
        </rollingPolicy>
 
        <triggeringPolicy class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
            <MaxFileSize>5MB</MaxFileSize>
        </triggeringPolicy>
 
        <layout class="ch.qos.logback.classic.PatternLayout">
            <Pattern>%d{HH����ss.SSS} [%thread] %-5level %logger{36} - %msg%n</Pattern>
        </layout>
    </appender>
 
    <root level="DEBUG">
        <appender-ref ref="FILE"/>
    </root>
</configuration>

...
<file>${user.dir}/logs/jtheque.log</file>

<rollingPolicy class="ch.qos.logback.core.rolling.FixedWindowRollingPolicy">
    <FileNamePattern>${user.dir}/logs/jtheque.%i.log.zip</FileNamePattern>
    <MinIndex>1</MinIndex>
    <MaxIndex>5</MaxIndex>
</rollingPolicy>
...