ERROR StatusLogger No log4j2 configuration file found. Using default configuration: logging only err

忘是亡心i 2022-06-10 07:23 697阅读 0赞

最近在学log4j2

网上找了相应的依赖，

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            1.7 
            
             1.7

在web.xml中的配置

log4jConfiguration
            
            
          
           classpath:conf/log4j2.xml
            
        
           
          
        
           
            
          
           log4jRefreshInterval
            
            
          
           60000
            
        
           
        
           
         
          
           org.apache.logging.log4j.web.Log4jServletContextListener
            
        
           
        
         
         
           log4jServletFilter org.apache.logging.log4j.web.Log4jServletFilter 
           
        
           
          
          
           log4jServletFilter
            
          
          
           /*
            
          
          
           REQUEST
            
          
          
           FORWARD
            
          
          
           INCLUDE
            
          
          
           ERROR
            
       
           
    
           
      
      
         
      
         
      	
          
           contextConfigLocation
          
      	
          
           classpath:conf/applicationContext-*.xml
          
      
         
      
         
      	
          
           org.springframework.web.context.ContextLoaderListener
          
      
         
      
         
      
         
      	
          
           spring
          
      	
          
           org.springframework.web.servlet.DispatcherServlet
          
      	
          
      		
           
      		
           
            contextConfigLocation
           
      		
           
            classpath:conf/springmvc.xml
           
      	
          
      
         
      
         
      	
          
           spring
          
      	
          
        
          
           /
          
      
         
      
      
         
      
         
            
          
           spring request
          
            
          
           org.springframework.web.context.request.RequestContextListener
          
         
         
      
      
         
       
           
            
          
           5
            
    	
           
      
      
      
         
      
         
         
           CharacterEncodingFilter org.springframework.web.filter.CharacterEncodingFilter encoding utf-8 
         
      
         
      	
          
           CharacterEncodingFilter
          
      	
          
           /*
          
      
         
      
      
         
      
         
         
           responseHeadersFilter com.china.bill.java.Intercepter.ResponseHeadersFilter 
         
      
         
      	
          
           responseHeadersFilter
          
      	
          
           /*
          
      
         
      
      
         
        
          
           /WEB-INF/jsp/index.jsp
          
      
         
      
      
         
      
         
      	
          
           404
          
      	
          
           /WEB-INF/jsp/error404.jsp
          
      
         
      
         
      
         
      	
          
           500
          
      	
          
           /WEB-INF/jsp/error500.jsp

log4j2.xml

/log/fish
             
            
             
            
           
            {LOG_HOME}/backup
             
            
           
            stat
             
            
           
            global

日志打印

import org.slf4j.Logger;
    import org.slf4j.LoggerFactory;
    
    private static Logger LOG = LoggerFactory.getLogger(LoginHandlerIntercepter.class);
    
    LOG.debug("url = {}", url);

以上代码是修改后正确的代码

刚开始配置的时候遇到了很多问题，jar包冲突导致tomcat无法启动，找了好久才发现log4j相关jar包的版本不对，废了就九牛二虎之力终于把tomcat给启动起来了。

在执行maven install的时候，一会报错（执行编译环境是jre而不是jdk），一会正常，我以为是我建maven工程的问题，新建了maven工程把之前的代码拷进去，执行正常，看项目编译的jdk版本是1.5，然后手动改成1.8，之后又出现执行环境的问题，后来改成1.7终于可以正常打包了。

启动环境，log4j2出现如下错误

ERROR StatusLogger No log4j2 configuration file found. Using default configuration: logging only errors to the console. Set system property 'org.apache.logging.log4j.simplelog.StatusLogger.level' to TRACE to show Log4j2 internal initialization logging.

信息: Initializing log4j from \[classpath:conf/log4j2.xml\]  
log4j:WARN Continuable parsing error 3 and column 53  
log4j:WARN 文档根元素 "Configuration" 必须匹配 DOCTYPE 根 "null"。  
log4j:WARN Continuable parsing error 3 and column 53  
log4j:WARN 文档无效: 找不到语法。  
log4j:ERROR DOM element is - not a <log4j:configuration> element.

在网上查各种资料，有人说执行project clean  <  maven clean < maven install   执行后不再报文档无效的错了，然后一直报No log4j2 configuration，网上继续搜资料，终于有人说是web.xml中的文件配置有误， context-param中关于配置文件的路径信息配置是【log4jConfiguration】而不是log4jConfigLocation。

修改后能正常打印日志了

参考：http://www.cnblogs.com/yoyotl/p/4920073.html

http://www.cnblogs.com/hafiz/p/6170702.html

http://blog.csdn.net/jiangguilong2000/article/details/11397557