log4j配置

1) properties:

log4j.rootLogger = INFO ,  stdout ,  R
log4j.appender.stdout = org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout = org.apache.log4j.PatternLayout
# Pattern to output the caller's file name and line number.
#log4j.appender.stdout.layout.ConversionPattern = %5p  [ %t ]  (%F:%L) - %m%n
# Print the date in ISO  8601  format
log4j.appender.stdout.layout.ConversionPattern = %d  [ %t ]  %-5p %c - %m%n
log4j.appender.R = org.apache.log4j.RollingFileAppender
log4j.appender.R.File = example.log
log4j.appender.R.MaxFileSize = 100KB
# Keep one backup file
log4j.appender.R.MaxBackupIndex = 1
log4j.appender.R.layout = org.apache.log4j.PatternLayout
log4j.appender.R.layout.ConversionPattern = %p %t %c - %m%n
# Print only messages of level WARN or above in the package com.foo.
log4j.logger.com.foo = WARN 

2) xml

<? xml version="1.0" encoding="UTF-8" ?>   
<! DOCTYPE log4j:configuration SYSTEM "log4j.dtd" >   
< log4j:configuration  xmlns:log4j ='http://jakarta.apache.org/log4j/'   >   
     < appender  name ="appendConsole"  class ="org.apache.log4j.ConsoleAppender" >   
         < layout  class ="org.apache.log4j.PatternLayout" >   
             < param  name ="ConversionPattern"      
                value ="%8r [%t] %-5p %c - %m%n"   />   
         </ layout >
         < filter  class ="org.apache.log4j.varia.LevelRangeFilter" >   
             < param  name ="levelMin"  value ="debug"   />   
             < param  name ="levelMax"  value ="fatal"   />   
             < param  name ="AcceptOnMatch"  value ="true"   />   
         </ filter >   
     </ appender >   
  
     < appender  name ="appendFile"  class ="org.apache.log4j.RollingFileAppender" >      
         < param  name ="File"  value ="./log/monitorinfo.log"   />
         < param  name ="Append"  value ="true"   />   
         < param  name ="MaxBackupIndex"  value ="10"   />   
         < param  name ="MaxFileSize"  value ="10MB"   />  
         < layout  class ="org.apache.log4j.PatternLayout" >   
             < param  name ="ConversionPattern"  value ="%d{yyyy-MM-dd HH:mm:ss SSS} [%t] %-5p %c - %m%n"   />   
         </ layout >   
     </ appender >
    
     < appender  name ="appendDB"  class ="org.apache.log4j.jdbc.JDBCAppender" >      
          < param  name ="driver"  value ="com.mysql.jdbc.Driver"   />   
          < param  name ="URL"  value ="jdbc:mysql://hsm_db:3306/hsm_db"   />   
          < param  name ="user"  value ="root"   />   
          < param  name ="password"  value ="hillstone_root"   />   
          < param  name ="bufferSize"  value ="100"   />   
          < layout  class ="org.apache.log4j.PatternLayout" >   
              < param  name ="ConversionPattern"   
                 value ="insert into t_HsmOperLog(logType,funId,objType,objID,operType,operResult,failureReason,operUserId, sessionId, recordTime, description) 
values('%X{logType}', '%X{funId}', '%X{objType}', '%X{objID}', '%X{operType}', '%X{operResult}', '%X{failureReason}', '%X{operUserId}', '%X{sessionId}', '%X{recordTime}', '%X{description}')" />
         </ layout >  
         
          < filter  class ="org.apache.log4j.varia.LevelRangeFilter" >   
              < param  name ="levelMin"  value ="error"   />   
             < param  name ="levelMax"  value ="fatal"   />   
             < param  name ="AcceptOnMatch"  value ="true"   />  
          </ filter >           
     </ appender >
    
     < logger  name ="org.springframework.beans" >
         < level  value ="warn"   />
         < appender-ref  ref ="appendConsole" />   
     </ logger >
    
      < logger  name ="org.hibernate" >
         < level  value ="warn"   />
         < appender-ref  ref ="appendConsole" />   
     </ logger >
    
      < logger  name ="org.springframework.security" >
         < level  value ="warn"   />
         < appender-ref  ref ="appendConsole" />   
     </ logger >
  
     < root >   
         < priority  value  ="debug" />   
         < appender-ref  ref ="appendConsole" />   
         < appender-ref  ref ="appendFile" />      
     </ root >   
</ log4j:configuration >   

3) load config in java class:

　　

DOMConfigurator.configure( this .getClass().getClassLoader().getSystemResource( " conf/monitor/log4j.xml " ));
PropertyConfigurator.configure( this .getClass().getClassLoader().getSystemResource( " conf/log4j.properties " ));