configuration.yml有一个错误：*无法识别的字段：driverClass - DROPWIZARD

Question

启动使用MySQL数据库连接的Dropwizard应用程序时出现以下错误：

configuration.yml has an error:
* Unrecognized field at: driverClass
Did you mean?:
  - database
  - server
  - metrics
  - logging

Configuration.yml：

server:
  applicationConnectors:
    - type: http 
    port: 9010
  adminConnectors:
    - type: http
    port: 9011
  database:
    driverClass: com.mysql.jdbc.Driver
    user: ppub_web
    password: password
    url: jdbc:mysql://url:to connect port

配置类：

public class ConfigurationClass extends Configuration{

@Valid
@NotNull    
@JsonProperty("database")
private DataSourceFactory datasourceFactory = new DataSourceFactory();

public DataSourceFactory getDataSourceFactory() {
        return datasourceFactory;
    }
}

Answer 1

• 确保您的课程DataSourceFactory包含名为driverClass
的字段
• 确保根据yaml规范正确格式化Configuration.yml。根据错误消息，您完全可以解决问题。
• 确保杰克逊可以访问DataSourceFactory中的字段（getter / setters或公共字段或允许设置私有字段的杰克逊注释）

P.S。您无需通过datasourceFactory

初始化new DataSourceFactory();