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如何在级别上记录我的应用程序代码DEBUG，但将某些库依赖项限制在WARN级别上？具体来说，我很难控制c3p0和Amazon SDK。谁能告诉我为什么我的设置不起作用？因为我不明白为什么我仍然在日志文件中看到 AWS 极其冗长的 DEBUG 日志记录。

下面我已经包含了我的logback.xml和我的相关摘录project.clj。

<configuration>

  <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">

    <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
      <!-- daily rollover -->
      <fileNamePattern>
        ${catalina.home}/logs/MY_APP.%d{yyyy-MM-dd}.%i.log
      </fileNamePattern>
      <!-- the "%i" is because of the SizeAndTimeBasedFNATP -->

      <!-- keep 5 days' worth of history -->
      <maxHistory>5</maxHistory>

      <timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
        <!-- or whenever the file size reaches 20MB -->
        <maxFileSize>20MB</maxFileSize>
      </timeBasedFileNamingAndTriggeringPolicy>
    </rollingPolicy>

    <encoder>
      <pattern>%date %level [%thread] %logger{10} [%file:%line] %msg%n</pattern>
    </encoder>

  </appender>

  <root level="DEBUG">
    <appender-ref ref="FILE" />
  </root>

  <!-- The amazon sdk -->
  <logger name="com.amazonaws" level="WARN" additivity="false">
    <appender-ref ref="FILE" />
  </logger>

  <!-- The c3p0 connection pooling library that Korma uses. -->
  <logger name="com.mchange" level="WARN" additivity="false">
    <appender-ref ref="FILE" />
  </logger>

</configuration>

(defproject …
  :dependencies [[org.clojure/clojure "1.4.0"]
                 [org.slf4j/slf4j-api "1.7.2"]

                 ;; Amazon Web Services' S3
                 [clj-aws-s3 "0.3.2"]
                 [org.slf4j/jcl-over-slf4j "1.7.2"] ; for underlying AWS SDK

                 ;; SQL abstraction
                 [korma "0.3.0-beta11"]
                 [org.slf4j/log4j-over-slf4j "1.7.2"] ; for c3p0 (package begins with "com.mchange"), which is a dependency of Korma

                 ;; HTTP abstraction
                 [ring/ring-core "1.1.6"]

                 ;; routing DSL
                 [compojure "1.1.3"]

                 ;; for determining MIME types of sent files
                 [com.novemberain/pantomime "1.4.0"]

                 ;; Take a wild guess.
                 [org.clojure/tools.logging "0.2.4"]

                 ;; Finally, the actual logging implementation
                 [ch.qos.logback/logback-classic "1.0.7"]

                 ;; Environmental variables that integrate with profiles
                 [environ "0.3.0"]]

  :exclusions [commons-logging
               log4j]
…
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