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log4j不能按天生成文件解决思路

2012-03-22 
log4j不能按天生成文件大家帮我看下,这个配置刚开始还能按天输出log后来就不会按天生成了帮帮小弟看看什么

log4j不能按天生成文件
大家帮我看下,这个配置刚开始还能按天输出log 后来就不会按天生成了 
帮帮小弟看看什么问题~~~


Java code
# A default log4j configuration for log4j users.## To use this configuration, deploy it into your application's WEB-INF/classes# directory.  You are also encouraged to edit it as you like.# Configure the console as our one appender#log4j.rootLogger=DEBUG,stdout#log4j.appender.stdout=org.apache.log4j.ConsoleAppender#log4j.appender.stdout.layout=org.apache.log4j.PatternLayout#log4j.appender.stdout.layout.ConversionPattern=%d %5p (%F:%L) - %m%nlog4j.rootLogger = debug,stdout,D,E### 输出到控制台 ###log4j.appender.Console.Encoding=UTF-8 log4j.appender.stdout = org.apache.log4j.ConsoleAppenderlog4j.appender.stdout.Target = System.outlog4j.appender.stdout.layout = org.apache.log4j.PatternLayoutlog4j.appender.stdout.layout.ConversionPattern = %d{ABSOLUTE} [%5p] %c{1}:%L - %m%n### 输出到日志文件 ###log4j.appender.D = org.apache.log4j.DailyRollingFileAppenderlog4j.appender.D.DatePattern='.'yyyy-MM-dd'.log'log4j.appender.D.File = e:/shgj04logs/log.loglog4j.appender.D.Append = true## 输出DEBUG级别以上的日志log4j.appender.D.Threshold = INFO log4j.appender.D.DatePattern='.'yyyy-MM-dd'.log'log4j.appender.D.layout = org.apache.log4j.PatternLayoutlog4j.appender.D.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss} %l - [%p] %m%n### 保存异常信息到单独文件 ###log4j.appender.E = org.apache.log4j.DailyRollingFileAppender## 异常日志文件名log4j.appender.E.File = e:/shgj04logs/errorLog.log log4j.appender.E.Append = true## 只输出ERROR级别以上的日志!!!log4j.appender.E.Threshold = ERROR log4j.appender.E.DatePattern='.'yyyy-MM-dd'.log'log4j.appender.E.layout = org.apache.log4j.PatternLayoutlog4j.appender.E.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss} %l - [%p] %m%n 



[解决办法]
建议采用 XML 方式进行配置,下面这个久用不衰,可以用在各种工程中!

XML code
<?xml version="1.0" encoding="GBK" ?><!DOCTYPE log4j:configuration SYSTEM "log4j.dtd"><log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/"  threshold="debug">  <appender name="CONSOLE" class="org.apache.log4j.ConsoleAppender">    <param name="Target" value="System.out" />    <layout class="org.apache.log4j.PatternLayout">      <param name="ConversionPattern" value="%d{ABSOLUTE} %-5p [%t] [%c{1}] %m%n" />    </layout>  </appender>    <appender name="ASYNC_CONSOLE" class="org.apache.log4j.AsyncAppender">    <param name="BufferSize" value="8192"/>    <appender-ref ref="CONSOLE" />  </appender>  <appender name="FILE" class="org.apache.log4j.DailyRollingFileAppender">    <param name="File" value="/home/x/log/server.log" />    <param name="Append" value="true" />    <param name="DatePattern" value="'.'yyyy-MM-dd" />    <layout class="org.apache.log4j.PatternLayout">      <param name="ConversionPattern" value="%d{ABSOLUTE} %-5p [%t] [%c{1}] %m%n" />    </layout>  </appender>  <logger name="com.test">    <level value="DEBUG" />  </logger>  <root>    <level value="INFO" />    <appender-ref ref="FILE" />  </root></log4j:configuration> 

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