[英]Logback: log only ERROR from log4j to file
我已經嘗試了Logback 的解決方案:如何僅將錯誤記錄到文件中,但它對我不起作用:我的 logback.xml 文件有什么問題?
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<include resource="org/springframework/boot/logging/logback/defaults.xml" />
<include resource="org/springframework/boot/logging/logback/console-appender.xml" />
<include resource="org/springframework/boot/logging/logback/file-appender.xml" />
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<layout class="ch.qos.logback.classic.PatternLayout">
<Pattern>
%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
</Pattern>
</layout>
</appender>
<appender name="FILE"
class="ch.qos.logback.core.rolling.RollingFileAppender">
<file>ALL.log</file>
<encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
<Pattern>
%d{yyyy-MM-dd HH:mm:ss} [%thread] %-5level %logger{36} - %msg%n
</Pattern>
</encoder>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<fileNamePattern>ALL.%d{yyyy-ww}.%i.log</fileNamePattern>
<timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
<maxFileSize>100MB</maxFileSize>
</timeBasedFileNamingAndTriggeringPolicy>
</rollingPolicy>
</appender>
<appender name="FILE-ERROR" class="ch.qos.logback.core.rolling.RollingFileAppender">
<file>ERROR.log</file>
<filter class="ch.qos.logback.classic.filter.ThresholdFilter">
<level>ERROR</level>
</filter>
<encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
<Pattern>
%d{yyyy-MM-dd HH:mm:ss} [%thread] %-5level %logger{36} - %msg%n
</Pattern>
</encoder>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<fileNamePattern>ERROR.%d{yyyy-ww}.%i.log</fileNamePattern>
<timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
<maxFileSize>100MB</maxFileSize>
</timeBasedFileNamingAndTriggeringPolicy>
</rollingPolicy>
</appender>
<root level="INFO">
<appender-ref ref="STDOUT" />
<appender-ref ref="FILE" />
</root>
<root level="ERROR">
<appender-ref ref="FILE-ERROR" />
</root>
</configuration>
然后到文件和控制台只會出現錯誤。
是因為我用 log4j 記錄錯誤嗎?
我相信這部分是導致問題的原因:
<root level="INFO">
<appender-ref ref="STDOUT" />
<appender-ref ref="FILE" />
</root>
<root level="ERROR">
<appender-ref ref="FILE-ERROR" />
</root>
在這里,我們首先將root
logger 上的級別設置為INFO
,為其附加兩個附加程序,然后將級別重新分配為ERROR
並附加另一個附加程序。
由於您在FILE-ERROR
appender 上設置了過濾器,因此無需更改root
的級別,您可以一次附加所有 appender:
<root level="INFO">
<appender-ref ref="STDOUT" />
<appender-ref ref="FILE" />
<appender-ref ref="FILE-ERROR" />
</root>
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