Caused by: org.xml.sax.SAXParseException: cvc-elt.1: Cannot find the declaration of element 'beans'.

ÅÜÓÃÀýʱ·¢ÏÖeclipse±¨ÈçÏ´íÎó£ºCaused by: org.springframework.beans.factory.xml.XmlBeanDefinitionStoreException: Line 4 in XML document from class path resource [client.xml] is invalid; nested exception is org.xml.sax.SAXParseException: cvc-elt.1: Cannot find the declaration of element 'beans'. at org.s