spring的配置文件报错cvc-complex-type.2.3: Element 'beans' cannot have character [children]

报错信息：

org.springframework.beans.factory.xml.XmlBeanDefinitionStoreException: Line 28 in XML document from file [XXX\TestProject\spring-session-test\target\spring-session-test\WEB-INF\classes\config\spring-session.xml] is invalid; nested exception is org.xml.sax.SAXParseException; lineNumber: 28; columnNumber: 9; cvc-complex-type.2.3: Element 'beans' cannot have character [children], because the type's content type is element-only.

原因：

copy过来的文件有特殊字符或编码格式不同。

解决方法：

将文字内容复制到Notepad等编辑器，转为UTF-8编码格式，并用ANSI编码格式查看，将不在注释内的乱码全部删除，再复制进xml即可