对于这个错误，我已经尝试了互联网上存在的所有解决方案，但没有一个对我有用。所以，我再次询问是否有人有任何更新的解决方案，然后请帮助！
正如您在 dispatcher.xml 文件中看到的那样，我已经尝试使用 ContextLoader，但它给了我一个 404 File Not Found。我在 Stack Overflow 中看到了一个类似的帖子，上面提到了 @Controller，但我已经这样做了，但我仍然收到 404 错误。
我也尝试过 load-on-startup 1 /load-on-startup 方法，但这仍然不起作用。
Type Exception Report
Message Servlet.init() for servlet [dispatcher] threw exception
Description The server encountered an unexpected condition that prevented it from fulfilling the
request.
Exception
javax.servlet.ServletException: Servlet.init() for servlet [dispatcher] threw exception
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:690)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:373)
org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868)
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1590)
org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
java.base/java.lang.Thread.run(Thread.java:832)
这是我的文件：
Web.xml
<web-app xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://oracle.com/webfolder/technetwork/jsc/xml/ns/javaee/web-app_3_0.xsd"
version="3.0">
<display-name>Archetype Created Web Application</display-name>
<servlet>
<servlet-name>dispatcher</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>dispatcher</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<!-- <context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/dispatcher-servlet.xml</param-value>
</context-param>
<listener>
<listener-class>
org.springframework.web.context.ContextLoaderListener
</listener-class>
</listener> -->
</web-app>
调度程序-servlet.xml：
<?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:p="http://www.springframework.org/schema/p"
xmlns:c="http://www.springframework.org/schema/c"
xmlns:tx="http://www.springframework.org/schema/tx"
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
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd">
<tx:annotation-driven />
<context:component-scan base-package="com.mayukh.Project"/>
<bean
class="org.springframework.jdbc.datasource.DriverManagerDataSource"
name="dataSource" p:driverClassName="com.mysql.jdbc.Driver"
p:url="jdbc:mysql://localhost/projectdb" p:username="root"
p:password="test" />
<bean
class="org.springframework.orm.hibernate5.LocalSessionFactoryBean"
name="sessionFactory" p:dataSource-ref="dataSource">
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
<property name="annotatedClasses">
<list>
<value>com.mayukh.Project.entity.User</value>
</list>
</property>
</bean>
<bean class="org.springframework.orm.hibernate5.HibernateTemplate"
name="hibernateTemplate" p:sessionFactory-ref="sessionFactory" />
<bean
class="org.springframework.orm.hibernate5.HibernateTransactionManager"
name="transactionManager" p:sessionFactory-ref="sessionFactory" />
<bean
class="org.springframework.web.servlet.view.InternalResourceViewResolver"
name="viewResolver">
<property name="prefix">
<value>/WEB-INF/views/</value>
</property>
<property name="suffix">
<value>.jsp</value>
</property>
</bean>
</beans>
控制器：
package com.mayukh.Project.controller;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import com.mayukh.Project.entity.User;
import com.mayukh.Project.services.UserService;
@Controller
public class UserController {
@Autowired
private UserService service;
@RequestMapping("registrationPage")
public String showRegistrationPage() {
return "userReg";
}
@RequestMapping(value = "registerUser", method = RequestMethod.POST)
public String registerUser(@ModelAttribute("user") User user, ModelMap model) {
int result = service.save(user);
model.addAttribute("result", "User created with ID " + result);
return "regResult";
}
public UserService getService() {
return service;
}
public void setService(UserService service) {
this.service = service;
}
}