Logback 添加 error 级别 Appender 导致 info 级别的 Appender 无法输出 - V2EX
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stephCurry
V2EX    Java

Logback 添加 error 级别 Appender 导致 info 级别的 Appender 无法输出

  •  
  •   stephCurry 2020-08-25 14:04:14 +08:00 1584 次点击
    这是一个创建于 1877 天前的主题,其中的信息可能已经有所发展或是发生改变。

    logback 文件如下:

    pre><?xml version="1.0" encoding="UTF-8"?> <configuration> <property name="LOGS" value="./logs"/> <appender name="Console" class="ch.qos.logback.core.ConsoleAppender"> <layout class="ch.qos.logback.classic.PatternLayout"> <Pattern> %d{ISO8601} %highlight(%-5level) [%blue(%t)] %yellow(%C{1.} [%M#%L]) %X{serialID}: %msg%n%throwable </Pattern> </layout> </appender> <appender name="RollingFile" class="ch.qos.logback.core.rolling.RollingFileAppender"> <file>${LOGS}/info-file.log</file> <encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder"> <Pattern>%d %highlight(%-5level) [%blue(%t)] %yellow(%C{1.} [%M#%L]) : %msg%n%throwable</Pattern> </encoder> </appender> <appender name="DexLogFile" class="ch.qos.logback.core.rolling.RollingFileAppender"> <file>${LOGS}/dex.log</file> <encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder"> <Pattern>%d %highlight(%-5level) [%blue(%t)] %yellow(%C{1.} [%M#%L]) : %msg%n%throwable</Pattern> </encoder> </appender> <appender name="ErrorLogFile" class="ch.qos.logback.core.rolling.RollingFileAppender"> <file>${LOGS}/error.log</file> <encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder"> <Pattern>%d %highlight(%-5level) [%blue(%t)] %yellow(%C{1.} [%M#%L]) : %msg%n%throwable</Pattern> </encoder> </appender> <!-- LOG everything at INFO level --> <root level="info"> <appender-ref ref="Console"/> <appender-ref ref="RollingFile"/> </root> <logger name="com.ssca" level="info" additivity="false"> <appender-ref ref="DexLogFile"/> </logger> <logger name="ur.company" level="trace" additivity="false"> <appender-ref ref="Console"/> </logger> <logger name="ur.company" level="info" additivity="false"> <appender-ref ref="RollingFile"/> </logger> <logger name="ur.company" level="error" additivity="false"> <appender-ref ref="ErrorLogFile"/> </logger> </configuration>

    如果没有添加

     <logger name="ur.company" level="error" additivity="false"> <appender-ref ref="ErrorLogFile"/> </logger> 

    则 RollingFile 和 Console 的日志都能正常输出,一旦加了这三行,那两个也不输出 ur.company 包下的日志了。

    3 条回复    2020-08-26 17:31:58 +08:00
    jerry74
        1
    jerry74  
       2020-08-25 15:14:57 +08:00
    additivity="true" 这改了就好了
    git00ll
        2
    git00ll  
       2020-08-25 17:22:29 +08:00
    你配置了三个同名的[ur.company] logger,日志级别是后面的覆盖前面的,所以此日志的级别是 error 。
    此 logger 配置了三个 appender-ref,是可以叠加的,所以 error 日志会输出三份到三个文件里。
    所以应该不是不输出日志了,而是只输出 error 日志,楼主可以测一下
    stephCurry
        3
    stephCurry  
    OP
       2020-08-26 17:31:58 +08:00
    @git00ll 是的,测试完是的,同名被下面覆盖了,采用方法是将三个 appender-ref 放在一个 logger 内,然后 appender 通过一下过滤
    ```
    <filter class="ch.qos.logback.classic.filter.ThresholdFilter">
    <level>INFO</level>
    </filter>
    ```
    此方法可解决
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