logback error Logging system failed to initialize using configuration from 'null'

* [After upgrading the project from spring boot 2.3.4 to 2.7.0, build fail with a logback.xml · Issue #32025 · spring-projects/spring-boot · GitHub](https://github.com/spring-projects/spring-boot/issues/32025)
* [Why Does The Logging System Fail To Initialize Using Configuration From 'null' When Running A Docker Container On A Local Computer? - Dev Answer Hub](https://devanswershub.com/why-does-the-logging-system-fail-to-initialize-using-configuration-from-null-when-running-a-docker-container-on-a-local-computer/)
* [springboot启动时报错Logging system failed to initialize using configuration from 'classpath:logging-conf-CSDN博客](https://blog.csdn.net/weixin_43991917/article/details/103406622)
* [解决：Logging system failed to initialize using configuration from ‘logback.xml ‘...-CSDN博客](https://blog.csdn.net/q7w8e9r4/article/details/134196107)

 

solution:

logback version upgrade

following spring boot 2.6.1 dependency pom.xml