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我在我的 github 帐户中描述了我的数据库连接，但我无法从 github 获取数据库连接。它显示错误

Caused by: org.apache.http.conn.HttpHostConnectException: Connect to localhost:8288 [localhost/127.0.0.1, localhost/0:0:0:0:0:0:0:1] failed: Connection refused: no further information

应用程序.yml

spring:
  datasource:
    url: jdbc:mysql://localhost:3306/order-service
    username: root
    password:

  application:
    name: ORDER-SERVICE

eureka:
  instance:
    instance-id: ${spring.application.name}:${random.uuid}

server:
  port: 0

引导程序.yml

spring:
  cloud:
    loabalancer:
      ribbon:
        enabbled: false
    config:
      uri: http://localhost:8888
    vault:
      host: localhost
      port: 8288
      scheme: http
      authentication: TOKEN
      token:  s.9c6dLnEkGyp17hhibb9iNTss
      application-name: order-service

  rabbitmq:
    host: localhost
    port: 5672
    username: guest
    password: guest

订单.kt

package com.main.orderservice.model

import javax.persistence.*

@Entity
@Table(name = "t_order")
data class Order(
    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    val id:Long=-1,
    var orderNumber:String?="",
    @OneToMany(cascade = [CascadeType.ALL])
    var orderList: MutableList<OrderLineItem>?=null
)

订单项.kt

package com.main.orderservice.model

import java.math.BigDecimal
import javax.persistence.*

@Entity
@Table(name = "order_line_item")
data class OrderLineItem(
      @Id
      @GeneratedValue(strategy = GenerationType.IDENTITY)
      val odId:Long?=null,
      val skuCode:String="",
      val price:BigDecimal?=null,
      val quantity:Int?=null,
)

orderrepository.kt

package com.main.orderservice.repository

import com.main.orderservice.model.Order
import org.springframework.data.jpa.repository.JpaRepository

in

接口 OrderRepository : JpaRepository<Order,Long> { }

订单控制器.kt

package com.main.orderservice.controller

import com.main.orderservice.client.InventoryClient
import com.main.orderservice.data.OrderDto
import com.main.orderservice.model.Order
import com.main.orderservice.repository.OrderRepository
import org.springframework.beans.factory.annotation.Autowired
import org.springframework.web.bind.annotation.PostMapping
import org.springframework.web.bind.annotation.RequestBody
import org.springframework.web.bind.annotation.RequestMapping
import org.springframework.web.bind.annotation.RestController
import java.util.*

@RestController
@RequestMapping("/api/order")
class OrderController {
    @Autowired
    private lateinit var orderRepository: OrderRepository
    @Autowired
    private lateinit var inventoryClient: InventoryClient

    @PostMapping
    fun placeOrder(@RequestBody orderDto: OrderDto):String{
        val allProductInStock:Boolean= orderDto.orderLineItemList .stream()
            .allMatch { orderList -> inventoryClient.checkStatus(orderList.skuCode)}

        return if (allProductInStock){
            val order:Order=Order()
            order.orderList= orderDto.orderLineItemList
            order.orderNumber= UUID.randomUUID().toString()

            orderRepository.save(order)
            "Order placed successful"
        }else{
            "Order Replaced failed"
        }


    }

}

RestContig.kt

package com.main.orderservice.config

import feign.RequestInterceptor
import feign.RequestTemplate
import org.springframework.beans.factory.BeanFactory
import org.springframework.beans.factory.annotation.Autowired
import org.springframework.context.annotation.Bean
import org.springframework.context.annotation.Configuration
import org.springframework.security.core.context.SecurityContextHolder
import org.springframework.security.oauth2.server.resource.authentication.JwtAuthenticationToken

@Configuration
class RestConfig {
    @Autowired
    private lateinit var beanFactory: BeanFactory
    @Bean
    fun requestTokenBearerInterceptor(): RequestInterceptor? {
        return RequestInterceptor { requestTemplate: RequestTemplate ->
            val token: JwtAuthenticationToken = SecurityContextHolder.getContext()
                .authentication as JwtAuthenticationToken
            requestTemplate.header("Authorization", "Bearer " + token.token.tokenValue)
        }
    }
}

订单服务.yml

spring:
  datasource:
    driverClassName: com.mysql.cj.jdbc.Driver
  jpa:
    database-platform: org.hibernate.dialect.MySQL5Dialect
    show-sql: true
    hibernate:
      ddl-auto: update

我在我的 gitHub 帐户中定义的这个 Order-service.yml 但我无法获取数据库的连接这是完整的错误

Caused by: java.net.ConnectException: Connection refused: no further information
    at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na]
    at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:660) ~[na:na]
    at java.base/sun.nio.ch.NioSocketImpl.timedFinishConnect(NioSocketImpl.java:549) ~[na:na]
    at java.base/sun.nio.ch.NioSocketImpl.connect(NioSocketImpl.java:597) ~[na:na]
    at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:333) ~[na:na]
    at java.base/java.net.Socket.connect(Socket.java:648) ~[na:na]
    at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75) ~[httpclient-4.5.13.jar:4.5.13]
    at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142) ~[httpclient-4.5.13.jar:4.5.13]
    ... 50 common frames omitted
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