Logback log level introduction

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logback Description of log level introduction

The author will talk about it below logback Log level of , As shown below :

logback Description of log level introduction

logback Yes 5 Class   The priority is as follows : TRACE < DEBUG < INFO < WARN < ERROR, Defined in ch.qos.logback.classic.Level Class . 

The level of logging

Trace: It's tracking , It's the process of pushing forward the following , You can write a trace Output , therefore trace There should be more , But that's okay , We can set the minimum log level so that it doesn't output 
Debug: Pointing out that fine-grained information events are very helpful for debugging applications 
Info: Messages highlight the running process of the application at a coarse-grained level 
Warn: Output warning and warn The following levels of logging 
Error: Output error message log 
 Besides OFF It means to close all logs ,ALL Open all logs 

Level

  From low to high are :
 TRACE < DEBUG < INFO < WARN < ERROR

 logback Precautions for log level 
    When not right logger When assigning levels 
    be name It will inherit the level from the nearest parent class with the assigned level 
   root logger The default level is DEBUG.
  When the log is output  
    High level will output , Based on the current ROOT  Level , Log output , Rank higher than root The default level will output 
   Such as root The level of is info, Will output info as well as info Log above level