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Failed to configure a DataSource

在启动项目时，出现以下报错：

APPLICATION FAILED TO START

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).

APPLICATION FAILED TO START

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).

发现其中问题与DataSource的配置有关，于是我就检查了application.properties 配置文件：

# 设置连接数据库的配置
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
spring.datasource.url=jdbc:mysql://xxx.xxx.xxx.xxx/xxx?serverTimezone=Asia/Shanghai
spring.datasource.username=xxx
spring.datasource.password=xxxxxx

再查看了 target 文件夹下的 application.properties 配置文件，发现其中内容为空。

然后我前去修改该项目的 pom.xml 文件，在相应的位置添加了以下的内容：

<?xml version="1.0" encoding="UTF-8"?>
<project ......>
   <build>
      <resources>
         <resource>
            <directory>src/main/java</directory>
            <includes>
               <include>**/*.xml</include>
            </includes>
         </resource>
         <resource>
            <directory>src/main/resources</directory>
            <includes>
               <include>**/*.xml</include>
               <include>**/*.properties</include>
               <include>**.*.yml</include>
               <include>**.*.yaml</include>
            </includes>
         </resource>
      </resources>
   </build>
</project>

其意为：将 src/main/java 目录下所有的 xml 文件，以及 src/main/resources 目录下所有的 xml、properties、yml、yaml 文件导入到 target 文件夹下。

重新构建项目，成功！

本文标签： failedconfiguredataSource

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