1、关于Spring的问题之Failed to read schema document
schema_reference.4: Failed to read schema document ‘http://www.springframework.org/schema/beans/spring-beans-2.5.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:schema>.
解决方法之一：将代码剪切下来重新粘贴，然后保存 。
原文：https://www.cnblogs.com/ssbydk/p/9645374.html