解决SpringBoot启动报错:Failed to load property source from location 'classpath:/application.yml'

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在启动SpringBoot项目时报如下错误

解决SpringBoot启动报错:Failed to load property source from location 'classpath:/application.yml'问题

原android因可能是

1.yml中语法错误

（特别注意：在yml中key与value之间是有一个空格的），仔细检查一下语法

server:
  port: 8090   #在这里,key值与value之间有有一个空格
spring:
  application:
    name: demo
  datasource:
    username: root
    password: root
    driver-class-name: com.mysql.jdbc.Driver
    url: jdbc:mysql://localhost:3308/test?characterEncoding=utf8&useSSL=false&allowMultiQueries=true&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=Asia/Shanghai
    hikari:
      read-only: false
      conphpnection-tijsmeout: 60000
      idle-timeout: 60000
      validation-timeout: 3000
      max-lifetime: 60000
      login-timeout: 5
      maximum-pool-size: 60
      minimum-idle: 10
  mvc:
    http://www.chinasem.cnview:
      prefix: classpath:/templates/
      suffix: .html
  dephpvtools:
    restart:
      enabled: true
  mail:
    default-encoding: utf-8
    host: smtp.qq.com
    protocol: smtp
    username: 
    password: 
    properties:
      mail:
        smtp:
          auth: true
          starttls:
            enable: true
            required: true

myBATis:
  mapper-locations: classpath:mapper/*.XML
  type-aliases-package: com.example.demo.vo

logging:
  level:
    com.example.demo.mapper: debug