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Spring Exception: cvc-elt.1: Cannot find the declaration of element ‘beans’

The reason is that the server can’t load the XSD file from the spring website successfully

Scheme 1:

Load spring-beans-2.5.xsd from the official website instead of the local classpath

xsi:schemaLocation="http://www.springframework.org/schema/beans 
       http://www.springframework.org/schema/beans/spring-beans-2.5.xsd"

Change to:

xsi:schemaLocation="http://www.springframework.org/schema/beans        
       classpath:/org/springframework/beans/factory/xml/spring-beans-2.0.xsd"

Scheme 2 (recommended)

Copy spring.handlers and spring.schemas from spring jar package under spring-framework-2.5.6, SRC, meta-inf to SRC, main, webapp, meta-inf in Web project