Spring Boot 2.1.x Environment.getActiveProfiles() 为空 []

spring boot2.5x、2.6x获取环境变量(spring.profiles.active)，获取classpath下文件方法_spring active profiles环境变量_懒惰的小蜗牛的博客-CSDN博客
https://blog.csdn.net/qq_41070393/article/details/123950153

Different behavior of spring.cloud.bootstrap.location since Spring Boot 2 · Issue #466 · spring-cloud/spring-cloud-commons
https://github.com/spring-cloud/spring-cloud-commons/issues/466

Different behavior of spring.cloud.bootstrap.location between Spring Boot 1.5 and 2.0
Spring environment.getActiveProfiles()；始终为空 - 问答 - 腾讯云开发者社区-腾讯云
https://cloud.tencent.com/developer/ask/sof/801266

关于spring中environment注入为null的一点理解_WK_SDU的博客-CSDN博客
https://blog.csdn.net/WK_SDU/article/details/81318209

Sping Environment为Null的原因和解决方法 - ido - 博客园
https://www.cnblogs.com/hyl8218/p/5927337.html

spring.cloud.bootstrap.location - 在必应上搜索
https://cn.bing.com/search?q=spring.cloud.bootstrap.location&form=ANNTH1&refig=66d7fde3ef5943bc9fc6a6ada5b38376

spring-cloud项目 指定bootstrap.yml环境问题_zsf_join的博客-CSDN博客
https://blog.csdn.net/zsf_join/article/details/99819845

springcloud情操陶冶-bootstrapContext(一) - 南柯问天 - 博客园
https://www.cnblogs.com/question-sky/p/10245384.html

SpringCloud中Bootstrap配置的生效 - 简书
https://www.jianshu.com/p/1d13e174b893