org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from ServletContext resource [/WEB-INF/dispatcher-servlet.xml]; nested exception is java.io.FileNotFoundException: Could not open ServletContext resource [/WEB-INF/dispatcher-servlet.xml]
Caused by: java.io.FileNotFoundException: Could not open ServletContext resource [/WEB-INF/dispatcher-servlet.xml]
如果修改了idea默认的springMVC的配置文件，则会出现此错误，如果自己重新设置配置文件的位置，很有可能弄错了param-name，如下：
取值有：应该用contextConfigLocation