[spring-book]Caused by: org.yaml.snakeyaml.scanner.ScannerException: while scanning for the next token found character '@' that cannot start any token. (Do not use @ for indentation)

Caused by: org.yaml.snakeyaml.scanner.ScannerException: while scanning for the next token found character '@' that cannot start any token. (Do not use @ for indentation)

problem

在spring boot項目中區分dev prod環境配置使用了@符號

spring:
  profiles:
    active: @profileActive@

報錯：

Caused by: org.yaml.snakeyaml.scanner.ScannerException: while scanning for the next token found character '@' that cannot start any token. (Do not use @ for indentation)

solution

1. mvn clean 后重新啟動
2. 將配置加上單引號或雙引號 @profileActive@ => '@profileActive@'