Configure the Tomcat output log File

The latest project always has a 404 error. The error message is not displayed on the console. I can't see it either under Tomcat.

The cause of the Error. Later, I found a method on the Internet to print the tomcat record information. First in Tomcat

In the installation directory of the common/classes/uninstalled tomcat, you can find the unzip package of tomcat.

The content of the log4j. properties file is

 

 
 

  
  
log4j.rootLogger=info,Console,R   
  
  
 
  
  
log4j.appender.Console=org.apache.log4j.ConsoleAppender  
  
  
 
  
  
log4j.appender.Console.layout=org.apache.log4j.PatternLayout  
  
  
 
  
  
#log4j.appender.Console.layout.ConversionPattern=%d [%t] %-5p %c - %m%n  
  
  
 
  
  
log4j.appender.Console.layout.ConversionPattern=%d{yy-MM-dd HH:mm:ss} %5p %c{1}:%L - %m%n  
  
  
 
  
  
   
  
  
 
  
  
log4j.appender.R=org.apache.log4j.DailyRollingFileAppender  
  
  
 
  
  
log4j.appender.R.File=${catalina.home}/logs/tomcat.log   
  
  
 
  
  
log4j.appender.R.layout=org.apache.log4j.PatternLayout  
  
  
 
  
  
log4j.appender.R.layout.ConversionPattern=%d{yyyy.MM.dd HH:mm:ss} %5p %c{1}(%L):? %m%n   
  
  
 
  
  
   
  
  
 
  
  
log4j.logger.org.apache=info,R  
  
  
 
  
  
log4j.logger.org.apache.catalina.core.ContainerBase.[Catalina].[localhost]=DEBUG, R   
  
  
 
  
  
log4j.logger.org.apache.catalina.core=info,R  
  
  
 
  
  
log4j.logger.org.apache.catalina.session=info,R  
  
  
 
 
 

Then add the commons-logging.jar, log4j. jar in the common/lib, and then generate

The File name and output path of a tomcat. log File can also be repaired in the above log4j. appender. R. File

), The specific error information can be found above. If eclipse is used, it can be directly found on the console.

To see the error message. This problem plagued me for one night. Finally, the ing files and

The entity class is not read in applicationContext. xml. If you think there is too little information on the console

Use this method to view details. I hope it will be useful to everyone. Of course, I will laugh at it.

This article is from the "Just do it" blog, be sure to keep this source http://davenzeng.blog.51cto.com/3896952/1143993