才写了一行代码又报错了..
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APPLICATION FAILED TO START
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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).
Disconnected from the target VM, address: '127.0.0.1:58792', transport: 'socket'
Process finished with exit code 0
未指定”url”属性，无法配置嵌入的数据源。
原因：由于添加了数据库组件，所以autoconfig会去读取数据源配置，新建的项目还没有配置数据源，所以会导致异常出现。
解决办法： 在启动类添加如下内容 即：@SpringBootApplication(exclude = {DataSourceAutoConfiguration.class})
转自：悟世君子的博客
Original: https://www.cnblogs.com/zilongmao/p/10351315.html
Author: 无尽函数
Title: Failed to configure a DataSource ‘url’ attribute问题解决
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