Spring mvc NoClassDefFoundError:javax/servlet/AsyncListener_Spring Mvc

Spring mvc NoClassDefFoundError:javax/servlet/AsyncListener

spring-mvc

Spring mvc NoClassDefFoundError:javax/servlet/AsyncListener,spring-mvc,Spring Mvc,我在运行spring应用程序时遇到了一些异常我不知道为什么会发生请帮助我我已将应用程序导入我的系统并尝试运行，但它显示了此错误请帮助我解决 java.lang.NoClassDefFoundError: javax/servlet/AsyncListener at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:6

我在运行spring应用程序时遇到了一些异常我不知道为什么会发生请帮助我我已将应用程序导入我的系统并尝试运行，但它显示了此错误请帮助我解决

    java.lang.NoClassDefFoundError: javax/servlet/AsyncListener
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
    at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2854)
    at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:1159)
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1647)
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1526)
    at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
    at java.lang.Class.getDeclaredMethods0(Native Method)
    at java.lang.Class.privateGetDeclaredMethods(Class.java:2427)
    at java.lang.Class.getDeclaredMethods(Class.java:1791)
    at org.springframework.core.type.StandardAnnotationMetadata.hasAnnotatedMethods(StandardAnnotationMetadata.java:159)
    at org.springframework.context.annotation.ConfigurationClassUtils.isLiteConfigurationCandidate(ConfigurationClassUtils.java:104)
    at org.springframework.context.annotation.ConfigurationClassUtils.checkConfigurationClassCandidate(ConfigurationClassUtils.java:87)
    at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:233)
    at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:203)
    at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:622)
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:451)
    at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:634)
    at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:591)
    at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:648)
    at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:511)
    at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:452)
    at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:133)
    at javax.servlet.GenericServlet.init(GenericServlet.java:212)
    at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1206)
    at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:827)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:129)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:606)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
    at java.lang.Thread.run(Thread.java:619)

这是web.xml

    <?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
    id="WebApp_ID" version="2.5">
    <display-name>EmployeeWebSpring</display-name>


    <!-- The front controller of this Spring Web application, responsible for 
        handling all application requests -->
    <servlet>
        <servlet-name>ds</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

        <load-on-startup>1</load-on-startup>
    </servlet>
    <!-- Map all requests to the DispatcherServlet for handling -->
    <servlet-mapping>
        <servlet-name>ds</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

    <welcome-file-list>
        <welcome-file>index.jsp</welcome-file>
    </welcome-file-list>

    <servlet-mapping>
        <servlet-name>default</servlet-name>
        <url-pattern>*.css</url-pattern>
    </servlet-mapping>
    <servlet-mapping>
        <servlet-name>default</servlet-name>
        <url-pattern>*.js</url-pattern>
    </servlet-mapping>
    <servlet-mapping>
        <servlet-name>default</servlet-name>
        <url-pattern>*.gif</url-pattern>
    </servlet-mapping>
    <servlet-mapping>
        <servlet-name>default</servlet-name>
        <url-pattern>*.jpg</url-pattern>
    </servlet-mapping>
    <servlet-mapping>
        <servlet-name>default</servlet-name>
        <url-pattern>*.png</url-pattern>
    </servlet-mapping>


</web-app>


雇员网络春天
ds
org.springframework.web.servlet.DispatcherServlet
1.
ds
/
index.jsp
违约
*.css
违约
*.js
违约
*.gif
违约
*jpg先生
违约
*.png

这是ds-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:p="http://www.springframework.org/schema/p"
    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-3.2.xsd
                           http://www.springframework.org/schema/context 
                           http://www.springframework.org/schema/context/spring-context-3.2.xsd
                           http://www.springframework.org/schema/mvc
                           http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd">

    <context:annotation-config />

    <mvc:annotation-driven />

    <bean class="org.springframework.jdbc.datasource.DriverManagerDataSource"
        id="dataSource">
        <property value="com.mysql.jdbc.Driver" name="driverClassName" />
        <property value="jdbc:mysql://192.168.25.30:3306/employee"
            name="url" />
        <property value="hr" name="username" />
        <property value="hr123" name="password" />
    </bean>
    <bean id="employeeDaoImpl" class="com.nousinfo.tutorial.employee.dao.impl.EmployeeDAOImpl">
        <property name="dataSource" ref="dataSource" />
    </bean>
    <bean id="departmentDaoImpl"
        class="com.nousinfo.tutorial.employee.dao.impl.DepartmentDAOImpl">
        <property name="dataSource" ref="dataSource" />
    </bean>
    <bean id="projectDaoImpl" class="com.nousinfo.tutorial.employee.dao.impl.ProjectDAOImpl">
        <property name="dataSource" ref="dataSource" />
    </bean>

    <bean id="employeserviceImpl" class=" com.nousinfo.tutorial.service.impl.EmployeeServiceImpl">
        <property name="daoImpl" ref="employeeDaoImpl" />
    </bean>
    <bean id="departmentserviceImpl"
        class=" com.nousinfo.tutorial.service.impl.DepartmentServiceImpl">
        <property name="departmentDAOImpl" ref="departmentDaoImpl" />
    </bean>

    <bean id="projectserviceImpl" class=" com.nousinfo.tutorial.service.impl.ProjectServiceImpl">
        <property name="projectDAOImpl" ref="projectDaoImpl" />
    </bean>



    <bean id="mycontroller"
        class="com.nousinfo.tutorial.controllers.SearchEmployeeController">
        <property name="employeeServiceImpl" ref="employeserviceImpl"></property>
    </bean>
    <bean id="emplController" class="com.nousinfo.tutorial.controllers.EmployeeController">
        <property name="employeeServiceImpl" ref="employeserviceImpl" />
        <property name="projectServiceImpl" ref="projectserviceImpl" />

    </bean>
    <bean id="deaprtmentController" class="com.nousinfo.tutorial.controllers.DepartmentController">
        <property name="departmentServiceImpl" ref="departmentserviceImpl"></property>
    </bean>

    <bean id="deptCotrooler"
        class="com.nousinfo.tutorial.controllers.SearchDepartmentController">
        <property name="departmentServiceImpl" ref="departmentserviceImpl"></property>
    </bean>
    <bean id="projectController" class="com.nousinfo.tutorial.controllers.ProjectController">
        <property name="projectServiceImpl" ref="projectserviceImpl"></property>
    </bean>
    <bean id="projectSearchController"
        class="com.nousinfo.tutorial.controllers.SearchProjectController">
        <property name="projectServiceImpl" ref="projectserviceImpl"></property>
    </bean>




    <bean id="configurationLoader"
        class="org.springmodules.validation.bean.conf.loader.annotation.AnnotationBeanValidationConfigurationLoader" />
    <bean id="validator" class="org.springmodules.validation.bean.BeanValidator"
        p:configurationLoader-ref="configurationLoader" />

    <bean id="viewResolver"
        class="org.springframework.web.servlet.view.InternalResourceViewResolver"
        p:prefix="/WEB-INF/" p:suffix=".jsp" />

    <bean id="messageSource"
        class="org.springframework.context.support.ResourceBundleMessageSource">
        <property name="basename" value="com/nousinfo/resources/messages" />
    </bean>
    <!-- Configure the multipart resolver -->
    <bean id="multipartResolver"
        class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
    </bean>








    <!-- configuring BeanNameViewResolver -->
    <!-- <bean class="org.springframework.web.servlet.view.BeanNameViewResolver"></bean> 
        configuring exception Resolver <bean class="org.springframework.web.servlet.handler.SimpleMappingExceptionResolver"> 
        <property name="exceptionMappings"> <props> <prop key="org.springframework.dao.DAOException">dberrorView</prop> 
        <prop key="java.lang.NumberFormatException">notANumber</prop> </props> </property> 
        </bean> configuring views required to render the view for /search.spring 
        <bean name="successSingleEmp" class="org.springframework.web.servlet.view.JstlView"> 
        <property name="url" value="/WEB-INF/EmployeeDetail.jsp" /> </bean> <bean 
        name="successMultipleEmps" class="org.springframework.web.servlet.view.JstlView"> 
        <property name="url" value="/WEB-INF/EmployeeList.jsp" /> </bean> <bean name="dberrorView" 
        class="org.springframework.web.servlet.view.JstlView"> <property name="url" 
        value="/WEB-INF/DBError.jsp" /> </bean> <bean name="notANumber" class="org.springframework.web.servlet.view.JstlView"> 
        <property name="url" value="/WEB-INF/NotANumberError.jsp" /> </bean> CONFIGURING 
        THE MEASSAGE RESOURCES FOR THIS APPLICTION CONTEXT <bean id="messageSource" 
        class="org.springframework.context.support.ResourceBundleMessageSource"> 
        <property name="basename" value="/com/nousinfo/resources/ApplicationResources" 
        /> </bean> -->
</beans>

您使用的是

2.5

servlet规范，而

3.0

servlet附带了

3.0
如何使用现有配置删除此规范确保您的servlet容器支持3.0规范（适用于Tomcat、Jetty 8和9）。然后在web.xml:xsi:schemaLocation=“”，version=“3.0”中使用3.0版本。如果您使用maven，也要查看依赖项。