xml - java.lang.NoClassDefFoundError: javax/servlet/AsyncListener -

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i new spring-mvc , developing simple spring application,while running application getting following exception java.lang.noclassdeffounderror: javax/servlet/asynclistener ,can guide me come out of problem 

java.lang.noclassdeffounderror: javax/servlet/asynclistener     @ java.lang.classloader.defineclass1(native method)     @ java.lang.classloader.defineclasscond(unknown source)     @ java.lang.classloader.defineclass(unknown source)     @ java.security.secureclassloader.defineclass(unknown source)     @ org.apache.catalina.loader.webappclassloader.findclassinternal(webappclassloader.java:1850)     @ org.apache.catalina.loader.webappclassloader.findclass(webappclassloader.java:890)     @ org.apache.catalina.loader.webappclassloader.loadclass(webappclassloader.java:1354)     @ org.apache.catalina.loader.webappclassloader.loadclass(webappclassloader.java:1233)     @ java.lang.class.getdeclaredmethods0(native method)     @ java.lang.class.privategetdeclaredmethods(unknown source)     @ java.lang.class.getdeclaredmethods(unknown source)     @ org.springframework.core.type.standardannotationmetadata.hasannotatedmethods(standardannotationmetadata.java:159)     @ org.springframework.context.annotation.configurationclassutils.isliteconfigurationcandidate(configurationclassutils.java:104)     @ org.springframework.context.annotation.configurationclassutils.checkconfigurationclasscandidate(configurationclassutils.java:87)     @ org.springframework.context.annotation.configurationclasspostprocessor.processconfigbeandefinitions(configurationclasspostprocessor.java:233)     @ org.springframework.context.annotation.configurationclasspostprocessor.postprocessbeandefinitionregistry(configurationclasspostprocessor.java:203)     @ org.springframework.context.support.abstractapplicationcontext.invokebeanfactorypostprocessors(abstractapplicationcontext.java:622)     @ org.springframework.context.support.abstractapplicationcontext.refresh(abstractapplicationcontext.java:451)     @ org.springframework.web.servlet.frameworkservlet.configureandrefreshwebapplicationcontext(frameworkservlet.java:634)     @ org.springframework.web.servlet.frameworkservlet.createwebapplicationcontext(frameworkservlet.java:591)     @ org.springframework.web.servlet.frameworkservlet.createwebapplicationcontext(frameworkservlet.java:648)     @ org.springframework.web.servlet.frameworkservlet.initwebapplicationcontext(frameworkservlet.java:511)     @ org.springframework.web.servlet.frameworkservlet.initservletbean(frameworkservlet.java:452)     @ org.springframework.web.servlet.httpservletbean.init(httpservletbean.java:133)     @ javax.servlet.genericservlet.init(genericservlet.java:212)     @ org.apache.catalina.core.standardwrapper.loadservlet(standardwrapper.java:1173)     @ org.apache.catalina.core.standardwrapper.load(standardwrapper.java:993)     @ org.apache.catalina.core.standardcontext.loadonstartup(standardcontext.java:4149)     @ org.apache.catalina.core.standardcontext.start(standardcontext.java:4458)     @ org.apache.catalina.core.containerbase.start(containerbase.java:1045)     @ org.apache.catalina.core.standardhost.start(standardhost.java:722)     @ org.apache.catalina.core.containerbase.start(containerbase.java:1045)     @ org.apache.catalina.core.standardengine.start(standardengine.java:443)     @ org.apache.catalina.core.standardservice.start(standardservice.java:516)     @ org.apache.catalina.core.standardserver.start(standardserver.java:710)     @ org.apache.catalina.startup.catalina.start(catalina.java:583)     @ sun.reflect.nativemethodaccessorimpl.invoke0(native method)     @ sun.reflect.nativemethodaccessorimpl.invoke(unknown source)     @ sun.reflect.delegatingmethodaccessorimpl.invoke(unknown source)     @ java.lang.reflect.method.invoke(unknown source)     @ org.apache.catalina.startup.bootstrap.start(bootstrap.java:288)     @ org.apache.catalina.startup.bootstrap.main(bootstrap.java:413) caused by: java.lang.classnotfoundexception: javax.servlet.asynclistener     @ org.apache.catalina.loader.webappclassloader.loadclass(webappclassloader.java:1387)     @ org.apache.catalina.loader.webappclassloader.loadclass(webappclassloader.java:1233)     ... 42 more

this 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>loginform</display-name>  <servlet>  <servlet-name>dispatcher</servlet-name>  <servlet-class>org.springframework.web.servlet.dispatcherservlet </servlet-class>  <load-on-startup>1</load-on-startup>  </servlet>  <servlet-mapping>  <servlet-name>dispatcher</servlet-name>  <url-pattern>/forms/*</url-pattern>  </servlet-mapping>  <welcome-file-list>  <welcome-file>index.jsp</welcome-file>  </welcome-file-list>  </web-app>

this dispatcher-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-3.0.xsd  http://www.springframework.org/schema/context  http://www.springframework.org/schema/context/spring-context-3.0.xsd  http://www.springframework.org/schema/mvc  http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd  ">  <!-- enable annotation driven controllers, validation etc... -->  <mvc:annotation-driven />  <context:component-scan base-package="controller.*" />  <bean id="viewresolver"  class="org.springframework.web.servlet.view.internalresourceviewresolver">  <property name="prefix">  <value>/web-inf/views/</value>  </property>  <property name="suffix">  <value>.jsp</value>  </property>  </bean>  <bean id="messagesource"  class="org.springframework.context.support.reloadableresourcebundlemessagesource">  <property name="basename" value="/web-inf/messages" />  </bean>  </beans>

more mvc problem seems problem lib files in tomcat.please verify server lib files ensure jar there resolving class.


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