How to save to relative path using Logback log

illustrate

When using Logback, you need to save the output log, but there is a problem with the path when saving

Project background

• Win7
• Java Web + Tomcat 7.0 (in the D disk directory)
• Logback 1.1.7

Case 1

File configuration

<!-- Path name -->
<property name="" value="logs" />
<!-- Saved file name -->
<property name="" value="log" />

Note: value=“logs”
If configured in this way, the log file will be saved to the directory where the project is started.
That is D:\tomcat7.0\bin\logs\

Case 2

File configuration

<!-- Path name -->
<property name="" value="/logs" />
<!-- Saved file name -->
<property name="" value="log" />

Note: value=“/logs”
If this is configured, the log file will be saved to the system directory.
That is, D:\logs\

Case Three

File configuration

<!-- Path name -->
<property name="" value="../logs" />
<!-- Saved file name -->
<property name="" value="log" />

Note: value=“../logs”
If this is configured, the log file will be saved to the system directory.
That is D:\tomcat7.0\logs\

Summarize

The relative saving path settings of files can be divided into the following three types:
1. value=“logs”– means to save it to the program running directory, in tomcat it is the bin directory
2. value=“/logs”– means to save to the system directory
3. value=“../logs”– Indicates the parent directory saved to the program running directory

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