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  • log4j.properties example

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    log4j.properties example

    Output to Console

    # Root logger option
    log4j.rootLogger=INFO, stdout
    
    # Direct log messages to stdout
    log4j.appender.stdout=org.apache.log4j.ConsoleAppender
    log4j.appender.stdout.Target=System.out
    log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
    log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n

    Output to File

    # Root logger option
    log4j.rootLogger=INFO, file
    
    # Direct log messages to a log file
    log4j.appender.file=org.apache.log4j.RollingFileAppender
    
    #Redirect to Tomcat logs folder
    #log4j.appender.file.File=${catalina.home}/logs/logging.log
    
    log4j.appender.file.File=C:\logigng.log
    log4j.appender.file.MaxFileSize=10MB
    log4j.appender.file.MaxBackupIndex=10
    log4j.appender.file.layout=org.apache.log4j.PatternLayout
    log4j.appender.file.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n

    Output to Console and File

    # Root logger option
    log4j.rootLogger=INFO, file, stdout
    
    # Direct log messages to a log file
    log4j.appender.file=org.apache.log4j.RollingFileAppender
    log4j.appender.file.File=C:\logging.log
    log4j.appender.file.MaxFileSize=10MB
    log4j.appender.file.MaxBackupIndex=10
    log4j.appender.file.layout=org.apache.log4j.PatternLayout
    log4j.appender.file.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n
    
    # Direct log messages to stdout
    log4j.appender.stdout=org.apache.log4j.ConsoleAppender
    log4j.appender.stdout.Target=System.out
    log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
    log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n
    1. Log4j manual
    2. Log4j PatternLayout manual
    3. http://svn.apache.org/repos/asf/karaf/site/production/manual/latest/log.html
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  • 原文地址:https://www.cnblogs.com/zno2/p/5929570.html
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