该错误消息是指先前的错误。先前的错误是：
class path resource [datasource.properties] cannot be opened because it does not exist
![严重：由于先前的错误，上下文[/ example]启动失败](http://www.mshxw.com/aiimages/31/467231.png "严重：由于先前的错误，上下文[/ example]启动失败")
该错误消息是指先前的错误。先前的错误是：
class path resource [datasource.properties] cannot be opened because it does not exist
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