最近自己写了一份代码签入到github，然后拉下来运行报下面的错误
Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
-- ::02.246 ERROR --- [ main] o.s.b.d.LoggingFailureAnalysisReporter : ***************************
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). Process finished with exit code
调试了很久发现是配置文件没有生效，找到一篇文章（https://blog.csdn.net/ht_kasi/article/details/82259860）后来才发现根本原因
resouce文件夹失效 ，图标与正常的不一样
解决方法，右键resouces文件夹，设置为resouces root即恢复正常