Spring MVC找不到xsd文件等错误的原因分析

HTTP Status 500 - Servlet.init() for servlet mvc-dispatcher threw exception

javax.servlet.ServletException: Servlet.init() for servlet mvc-dispatcher threw exception

org.springframework.beans.factory.xml.XmlBeanDefinitionStoreException: 
  Line 10 in XML document from class path resource [spring/spring-mvc.xml] is invalid; 
  nested exception is 
  org.xml.sax.SAXParseException; lineNumber: 10; columnNumber: 31; cvc-elt.1: 找不到元素 'beans' 的声明。

<logger name="org.springframework.web" level="DEBUG" />

[2019-06-05 11:21:39  WARN org.springframework.beans.factory.xml.XmlBeanDefinitionReader:48 ] 
   Ignored XML validation warning org.xml.sax.SAXParseException: 
   schema_reference.4: 
   无法读取方案文档 'http://www.springframework.org/schema/beans/spring-beans-4.1.xsd', 
   原因为 1) 无法找到文档; 2) 无法读取文档; 3) 文档的根元素不是 <xsd:schema>。

Caused by: java.net.ConnectException: Connection timed out: connect

[2019-06-05 11:21:39 ERROR org.springframework.web.servlet.DispatcherServlet:492 ]
  Context initialization failed
  org.springframework.beans.factory.xml.XmlBeanDefinitionStoreException: 
  Line 10 in XML document from class path resource [spring/spring-mvc.xml] is invalid; 
  nested exception is org.xml.sax.SAXParseException; lineNumber: 10; columnNumber: 31; cvc-elt.1: 找不到元素 'beans' 的声明。

... IntelliJ IDEA\plugins\Spring\lib\spring.jar!\resources\schemas\beans\spring-beans-4.1.xsd

... spring-beans-4.2.5.RELEASE.jar!\org\springframework\beans\factory\xml\spring-beans-4.1.xsd

<spring.version>4.0.7.RELEASE</spring.version>

<org.springframework.version>4.2.5.RELEASE</org.springframework.version>

spring-beans-4.0.7.RELEASE.jar!\org\springframework\beans\factory\xml\

spring-beans-2.0.dtd
spring-beans-2.0.xsd
spring-beans-2.5.xsd
spring-beans-3.0.xsd
spring-beans-3.1.xsd
spring-beans-3.2.xsd
spring-beans-4.0.xsd
spring-tool-2.0.xsd
spring-tool-2.5.xsd
spring-tool-3.0.xsd
spring-tool-3.1.xsd
spring-tool-3.2.xsd
spring-tool-4.0.xsd
spring-util-2.0.xsd
spring-util-2.5.xsd
spring-util-3.0.xsd
spring-util-3.1.xsd
spring-util-3.2.xsd
spring-util-4.0.xsd

spring-beans-4.2.5.RELEASE.jar!\org\springframework\beans\factory\xml\

spring-beans-2.0.dtd
spring-beans-2.0.xsd
spring-beans-2.5.xsd
spring-beans-3.0.xsd
spring-beans-3.1.xsd
spring-beans-3.2.xsd
spring-beans-4.0.xsd
spring-beans-4.1.xsd
spring-beans-4.2.xsd
spring-tool-2.0.xsd
spring-tool-2.5.xsd
spring-tool-3.0.xsd
spring-tool-3.1.xsd
spring-tool-3.2.xsd
spring-tool-4.0.xsd
spring-tool-4.1.xsd
spring-tool-4.2.xsd
spring-util-2.0.xsd
spring-util-2.5.xsd
spring-util-3.0.xsd
spring-util-3.1.xsd
spring-util-3.2.xsd
spring-util-4.0.xsd
spring-util-4.1.xsd
spring-util-4.2.xsd