SpringBoot1.X 升级到 SpringBoot2.1.X

这里记录了一下 SpringBoot 1.5.X 升级到 SpringBoot 2.1.X 遇到的坑

配置类调整

配置匹配策略调整

原来的 驼峰 中横线 下划线 均改为 中横线识别 不然启动会报错 找不到变量

• 1.0

  eureka:
    instance:
      hostname: ${spring.cloud.client.ipAddress}
      prefer-ip-address: true
      instanceId: ${spring.application.name}:${spring.cloud.client.ipAddress}:${server.port}

• 2.0

  eureka:
    instance:
      hostname: ${spring.cloud.client.ip-address}
      prefer-ip-address: true
      instanceId: ${spring.application.name}:${spring.cloud.client.ip-address}:${server.port}

配置 spring.http 调整到 spring.servlet

• 1.0

  spring:
    http:
      multipart:
        max-file-size: 30MB
        max-request-size: 30MB

• 2.0

  spring:
    servlet:
      multipart:
        enabled: true
        max-file-size: 30MB
        max-request-size: 30MB

actuator 端点配置改变

• 1.0

  # 管理端点
  management:
    security:
      enabled: false
  #启用shutdown
  endpoints:
    shutdown:
      enabled: true
      #禁用密码验证
      sensitive: false

• 2.0

  # 管理端点
  management:
    endpoint:
      shutdown:
        # 开启 Shutdown 端点
        enabled: true
    endpoints:
      web:
        exposure:
          # 开启所有端点
          include: *

POM文件改变

Eureka 客户端POM改变

• 1.0

  <dependency>
      <groupId>org.springframework.cloud</groupId>
      <artifactId>spring-cloud-starter-eureka-server</artifactId>
  </dependency>
  <dependency>
      <groupId>org.springframework.cloud</groupId>
      <artifactId>spring-cloud-starter-eureka</artifactId>
  </dependency>

• 2.0

  <dependency>
      <groupId>org.springframework.cloud</groupId>
      <artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>
  </dependency>
  <dependency>
      <groupId>org.springframework.cloud</groupId>
      <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
  </dependency>

Zuul POM 改变

• 1.0

  <dependency>
      <groupId>org.springframework.cloud</groupId>
      <artifactId>spring-cloud-starter-zuul</artifactId>
  </dependency>

• 2.0

  <dependency>
      <groupId>org.springframework.cloud</groupId>
      <artifactId>spring-cloud-starter-netflix-zuul</artifactId>
  </dependency>

Session POM 改变

• 1.0

  <dependency>
      <groupId>org.springframework.session</groupId>
      <artifactId>spring-session</artifactId>
  </dependency>

• 2.0

  <dependency>
      <groupId>org.springframework.session</groupId>
      <artifactId>spring-session-core</artifactId>
  </dependency>

Hystrix POM 改变

• 1.0

  <dependency>
      <groupId>org.springframework.cloud</groupId>
      <artifactId>spring-cloud-starter-hystrix</artifactId>
  </dependency>

• 2.0

  <dependency>
      <groupId>org.springframework.cloud</groupId>
      <artifactId>spring-cloud-starter-netflix-hystrix</artifactId>
  </dependency>

代码类变更

包名称修改

Rabbit 的相关包路径改变

• 1.0

  import org.springframework.amqp.rabbit.support.CorrelationData;
  import org.springframework.amqp.rabbit.core.ChannelAwareMessageListener;

• 2.0

  import org.springframework.amqp.rabbit.connection.CorrelationData;
  import org.springframework.amqp.rabbit.listener.api.ChannelAwareMessageListener;

Feigh 的 EnableFeignClients 包路径改变

• 1.0

  import org.springframework.cloud.netflix.feign.EnableFeignClients;

• 2.0

  import org.springframework.cloud.openfeign.EnableFeignClients;

代码类修改

Zuul FallbackProvider 改变

• 1.0

  @Override
  public ClientHttpResponse fallbackResponse() {
      return new DefaultFallbackResponse();
  }
  
  @Override
  public ClientHttpResponse fallbackResponse(Throwable cause) {
      return new DefaultFallbackResponse();
  }

• 2.0

  @Override
  public ClientHttpResponse fallbackResponse(String route, Throwable cause) {
      return new DefaultFallbackResponse();
  }

其他错误

启动错误

• 配置了 spring.datasource.type 导致的 删除即可

  ***************************
  APPLICATION FAILED TO START
  ***************************
  
  Description:
  
  Failed to bind properties under 'spring.datasource.type' to java.lang.Class<javax.sql.DataSource>:
  
      Property: spring.datasource.type
      Value: org.apache.tomcat.jdbc.pool.DataSource
      Origin: "spring.datasource.type" from property source "bootstrapProperties"
      Reason: No converter found capable of converting from type [java.lang.String] to type [java.lang.Class<javax.sql.DataSource>]
  
  Action:
  
  Update your application's configuration