Multiple annotations found at this line:
  - cvc-elt.1: Cannot find the declaration of element 'beans'.
  - schema_reference.4: Failed to read schema document 'http://www.springframework.org/schema/beans/spring-beans-4.3.xsd', because 1) could not find the document; 2) the document 
   could not be read; 3) the root element of the document is not <xsd:schem

eclipse下，出现这种情况，但又不影响编译的时候，可能只需要剪切当前页代码再粘贴一下就可以了。