一 完整的错误信息
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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).
二 思考过程
1. 配置文件,发现配置文件存在,排除。
2. 配置信息,发现存在一个空格,将配置文件的多余空格删除,无效,排除。
3. 明明存在配置文件,在保证配置信息完整的前提下,不起作用,网上又说使用@SpringBootApplication(exclude = {DataSourceAutoConfiguration.class}),但是系统确实需要数据库操作,所以不采纳。
4. POM配置,最后真的发现问题了,因为POM文件中增加了配置信息
<excludes>
<exclude>*.yml</exclude>
<exclude>*.xml</exclude>
<exclude>**/template/</exclude>
</excludes>
换成下面配置信息即可。
<includes>
<include>**/*.xml</include>
<include>**/*.yml</include>
</includes>
<filtering>true</filtering>
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