springboot项目，在yml文件中配置了日志级别后，项目启动报如下错误，为什么去掉日志级别则可以正常启动？

Question

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APPLICATION FAILED TO START
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Description:

Failed to bind properties under 'logging.level' to java.util.Map<java.lang.String, org.springframework.boot.logging.LogLevel>:

    Reason: org.springframework.core.convert.ConverterNotFoundException: No converter found capable of converting from type [java.lang.String] to type [java.util.Map<java.lang.String, org.springframework.boot.logging.LogLevel>]

Action:

Update your application's configuration


Process finished with exit code 1

Answer 1

map的key就是包名,你要是全局的话，加root，应该会有代码提示的