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l og4j.xml

l og4j.xml. ㅇ 기본 형식. <?xml version="1.0" encoding=" UTF-8 "?> <!DOCTYPE ..... > <log4j:configuration ..... > <appender ..... > <param ..... /> <layout ..... > ..... </layout> </appender> <logger ..... > <level ..... /> </logger>

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l og4j.xml

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  1. log4j.xml ㅇ 기본 형식 <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE ..... > <log4j:configuration ..... > <appender ..... > <param ..... /> <layout ..... > ..... </layout> </appender> <logger ..... > <level ..... /> </logger> <root> <level ..... /> <appender-ref ..... /> <appender-ref ..... /> </root> </log4j:configuration> console, file 등 출력 대상 지정 특정 패키지/클래스별 출력 레벨 등 지정 Log4j 기본 출력 레벨 등 지정

  2. log4j.xml ㅇ appender <appender name="console" class="org.apache.log4j.ConsoleAppender“> <appender name=“dailyFile" class="org.apache.log4j.DailyRollingFileAppender“> • 속성 • <layout class="org.apache.log4j.PatternLayout"> • <param name="ConversionPattern" value="%d %5p [%C{1}] %m [%X{userId}]%n" /> • </layout> • <param name="File" value="/LOG/all.log"/> • <param name="Threshold" value="ERROR"/> • <param name="Append" value="true"/> • <param name="MaxFileSize" value="100MB“/> • <param name="MaxBackupIndex" value="2“/> • <param name="DatePattern" value="'.'yyyy-MM-dd"/> • .......

  3. log4j.xml ㅇ appender - DatePattern

  4. log4j.xml ㅇ appender - PatternLayout

  5. log4j.xml ㅇ logger <logger name="org.apache.ibatis"> <level value="DEBUG"/> </logger> <logger name="org.springframework"> <level value=“ERROR"/> <appender-ref ref=“springFile"/> </logger> ㅇ root <root> <level value="DEBUG" /> <appender-ref ref="console" /> <appender-ref ref="errFile"/> <appender-ref ref="rollingFile"/> </root>

  6. log4j.properties log4j.rootLogger=DEBUG, file, stdout log4j.appender.file=org.apache.log4j.DailyRollingFileAppender log4j.appender.file.File=/LOG/prop.log log4j.appender.file.Append=true log4j.appender.file.MaxFileSize=10MB log4j.appender.file.MaxBackupIndex=1 log4j.appender.file.DatePattern='.'yyyy-MM-dd log4j.appender.file.layout=org.apache.log4j.PatternLayout log4j.appender.file.layout.ConversionPattern=%d %p [%C{10}] %m [%X{userId}]%n 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 %p [%C{10}] %m [%X{userId}]%n

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