springboot啟動報錯Failed to configure a DataSource: 'url' attribute is not specified

Description:

　　Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could be configured.

　　Reason: Failed to determine a suitable driver class

Action:

　　Consider the following:
　　　　If you want an embedded database (H2, HSQL or Derby), please put it on the classpath.
　　　　If you have database settings to be loaded from a particular profile you may need to activate it (no profiles are currently active).

Process finished with exit code 1

原因: 配置的注解需要連接數據庫,

一個解決方式是添加exclude排除,代碼如下:

@SpringBootApplication(exclude = DataSourceAutoConfiguration.class)

我的是一個parent有多個子模塊,子模塊有兩個app且都加了@SpringBootApplication注解,如果要正常運行兩個類必須都加上exclude = DataSourceAutoConfiguration.class才可以

 經測試,我的是需要去掉依賴

 <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-data-jpa</artifactId>
 </dependency>

手動刪除它所生成的項目的jar包,重編譯,然后就可以正常啟動。

另一個解決方法是在application.properties中添加數據庫配置