通过谷歌代理将本地spring boot应用程序连接到谷歌云SQL

我是 Java/spring boot 的新手，我正在尝试使用谷歌的云 SQL 作为我项目的数据库。我已经下载了谷歌代理并使用谷歌云 SDK 进行了身份验证。当我启动代理并使用 SSMS 连接时，它会连接并且工作正常。问题是当我尝试通过 Spring Boot 应用程序进行连接时，出现错误。我不确定我是否在应用程序属性中遗漏了某些东西，或者忘记导入依赖项或类似的东西。任何帮助，将不胜感激！我在下面包含了 applications.properties、build.gradle 和错误。谢谢！

应用程序属性

spring.jpa.hibernate.ddl-auto=create spring.datasource.url=jdbc:mysql://127.0.0.1:1433/{DBNAME} spring.datasource.username={DMUSERNAME} spring.datasource.password={DMPASSWORD}

构建.gradle

   id 'org.springframework.boot' version '2.2.1.RELEASE'
   id 'io.spring.dependency-management' version '1.0.8.RELEASE'
   id 'java'
}

group = '{GROUPNAME}'
version = '0.0.1-SNAPSHOT'
sourceCompatibility = '1.8'

configurations {
   compileOnly {
       extendsFrom annotationProcessor
   }
}

repositories {
   mavenCentral()
   maven { url 'https://repo.spring.io/milestone' }
}

ext {
   set('springCloudVersion', "Hoxton.RC2")
}

dependencies {
   implementation 'org.springframework.boot:spring-boot-starter-web'
   compileOnly 'org.projectlombok:lombok'
   annotationProcessor 'org.projectlombok:lombok'
   testImplementation 'org.junit.jupiter:junit-jupiter-api:5.3.1'
   testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.3.1'
   implementation 'org.springframework.cloud:spring-cloud-gcp-starter'
   implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
   runtime 'mysql:mysql-connector-java'
   implementation 'org.springframework.boot:spring-boot-starter-jdbc'

}

dependencyManagement {
   imports {
       mavenBom "org.springframework.cloud:spring-cloud-dependencies:${springCloudVersion}"
   }
}

test {
   useJUnitPlatform()
}

错误

  Caused by: java.net.ConnectException: Connection refused: no further information
  Caused by: org.hibernate.service.spi.ServiceException: Unable to create requested service 
  [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment]
  Caused by: org.hibernate.HibernateException: Access to DialectResolutionInfo cannot be null when 
  'hibernate.dialect' not set
   Process 'command 'C:/Program Files/Java/jdk-13.0.1/bin/java.exe'' finished with non-zero exit value 1