通配符的匹配很全面, 但无法找到元素 'context:component-scan' 的声明。
时间: 2023-03-26 12:03:42 浏览: 148
对于这个问题,我建议您检查一下您的配置文件中是否正确声明了 'context:component-scan' 元素。如果您已经正确声明了该元素,但仍然无法匹配,可能是由于其他配置文件或代码中存在冲突导致的。您可以尝试排除这些冲突,或者查看日志文件以获取更多信息。希望我的回答能够帮助您解决问题。
相关问题
通配符的匹配很全面, 但无法找到元素 'context:component-scan' 的声明
这是因为在你的配置文件中没有找到<context:component-scan />元素的声明。该元素是Spring框架中的一个核心元素,用于扫描组件并将其加载到应用程序上下文中。
如果要使用该元素,请在您的配置文件中添加以下声明:
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">
然后,您可以在配置文件中使用<context:component-scan />元素,并在其中指定要扫描的包,例如:
<context:component-scan base-package="com.example.mypackage"/>
这将扫描您指定的包,并将其中的组件加载到应用程序上下文中。
希望这些信息对您有所帮助!
cvc-complex-type.2.4.c: 通配符的匹配很全面, 但无法找到元素 'context:component-scan' 的声明。
这是一个 XML 配置文件的错误提示信息,大致意思是找不到名为 'context:component-scan' 的元素。这可能是因为该元素拼写错误或未正确引入相关命名空间导致的。需要仔细检查 XML 配置文件中的相关语法和引入,以找到并解决问题。
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<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context" xmlns:mvc="http://www.springframework.org/schema/mvc" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd"> <context:component-scan base-package="com.itheihei" use-default-filters="false"> <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/> </context:component-scan> <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver"> </bean> <mvc:resources mapping="/js/**" location="/js/"/> <mvc:resources mapping="/images/**" location="/images/"/> <mvc:resources mapping="/css/**" location="/css/"/> <mvc:annotation-driven/> </beans><?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd"> <context:component-scan base-package="com.itheihei"> <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/> </context:component-scan> </beans>@Controller public class AccountController { @Autowired AccountService accountService; @RequestMapping("findAllAccounts") public String findAllAccounts() { System.out.println("方法成功执行"); return "list"; } } <%@ page contentType="text/html;charset=UTF-8" language="java" %> <html> <head> <title>首页</title> </head> <body> 查看所有用户信息 </body> </html><?xml version="1.0" encoding="UTF-8"?> <web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd" version="4.0"> <servlet> <servlet-name>dispatcherServlet</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param> contextConfigLocation classpath:spring-mvc.xml </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>dispatcherServlet</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping> </web-app>为什么会404










