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

回答: 这个错误是由于在配置文件bootstrap.yml中没有指定数据库的url属性，也没有配置嵌入式数据库导致的。要解决这个问题，有几种可能的解决办法。一种是在bootstrap.yml中添加url属性，指定数据库的连接地址。另一种是添加一个嵌入式数据库（如H2、HSQL或Derby）到classpath中。还有一种可能是需要激活特定的配置文件来加载数据库设置。具体的解决办法会根据你的具体情况而有所不同。你可以根据错误消息中提到的建议来尝试解决这个问题。<em>1</em><em>2</em><em>3</em>
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