Bonjour je suis apres devellopper une webapps avec spring mon projet a deja marcher mais la j'ai une erreur je ne vois pas d'ou elle vient
voila l'erreur
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La ressource demandée (Servlet springapp n'est pas disponible.) n'est pas disponible.
voici mon web.xml

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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE web-app PUBLIC '-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN' 'http://java.sun.com/dtd/web-app_2_3.dtd'>
 
<web-app>
 
  <servlet>
    <servlet-name>springapp</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <load-on-startup>1</load-on-startup>
  </servlet>
 
  <servlet-mapping>
    <servlet-name>springapp</servlet-name>
    <url-pattern>*.htm</url-pattern>
  </servlet-mapping>
 
  <welcome-file-list>
    <welcome-file>
      index.jsp
    </welcome-file>
  </welcome-file-list>
 
  <taglib>
    <taglib-uri>/spring</taglib-uri>
    <taglib-location>/WEB-INF/spring.tld</taglib-location>
  </taglib>
 
</web-app>
et mon springapp-servlet.xml
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN"
 "http://www.springframework.org/dtd/spring-beans.dtd">
<!-- Application context definition for "springapp" DispatcherServlet. -->
 
<beans>
    <!--  Controller for the initial "Hello" page -->
    <bean id="springappController" class="web.SpringappController">
    </bean>
 
 
 
    <!--  Validator and Form Controller for the "add user" page -->
    <bean id="addUserValidator" class="bean.UserValidator"/>
    <bean id="addUserForm" class="web.UserFormController">
        <property name="sessionForm"><value>true</value></property>
        <property name="commandName"><value>user</value></property>
        <property name="commandClass"><value>bean.User</value></property>
        <property name="validator"><ref bean="addUserValidator"/></property>
        <property name="formView"><value>addUser</value></property>
        <property name="successView"><value>addUser.htm</value></property>
        <property name="serviceUser"><ref bean="userServiceTarget"/> </property>
    </bean>
 
    <!--  Validator and Form Controller for the "LOGIN" page -->
    <bean id="loginValidator" class="bean.LogValidator"/>
    <bean id="loginForm" class="web.LoginFormController">
        <property name="sessionForm"><value>true</value></property>
        <property name="commandName"><value>user</value></property>
        <property name="commandClass"><value>bean.User</value></property>
        <property name="validator"><ref bean="loginValidator"/></property>
        <property name="formView"><value>login</value></property>
        <property name="successView"><value>hello.htm</value></property>
        <property name="serviceUser"><ref bean="userServiceTarget"/> </property>
    </bean>
 
 
    <bean id="messageSource" class="org.springframework.context.support.ResourceBundleMessageSource">
        <property name="basename"><value>messages</value></property>
    </bean>
 
    <bean id="urlMapping" class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
        <property name="mappings">
            <props>
                <prop key="/login.htm">loginForm</prop>
                <prop key="/hello.htm">springappController</prop>
                <prop key="/addUser.htm">addUserForm</prop>
            </props>
        </property>
    </bean>
 
    <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="viewClass">
           <value>org.springframework.web.servlet.view.JstlView</value>
        </property>
        <property name="prefix"><value>/WEB-INF/jsp/</value></property>
        <property name="suffix"><value>.jsp</value></property>
    </bean>
 
 
		<!-- ========================= Start of PERSISTENCE DEFINITIONS =========================-->
 
		<!-- DataSource Definition -->
		<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
			<property name="driverClassName">
				<value>com.mysql.jdbc.Driver</value>
			</property>
			<property name="url">
				<value>jdbc:mysql://localhost:3306/j2ee</value>
			</property>
			<property name="username">
				<value>root</value>
			</property>
			<property name="password">
				<value>root</value>
			</property>
		</bean>
 
		<!-- Hibernate SessionFactory Definition -->
		<bean id="sessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
			 <property name="annotatedClasses">
				<list>
 				<value>bean.User</value>
				</list>
			</property>
			<property name="hibernateProperties">
				<props>
					<prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
					<prop key="hibernate.show_sql">true</prop>
					<prop key="hibernate.cglib.use_reflection_optimizer">true</prop>
					<prop key="hibernate.cache.provider_class">org.hibernate.cache.HashtableCacheProvider</prop>
				</props>
			</property>
 
			<property name="dataSource">
				<ref bean="dataSource" />
			</property>
		</bean>
 
		<!-- Spring Data Access Exception Translator Defintion -->
		<bean id="jdbcExceptionTranslator" class="org.springframework.jdbc.support.SQLErrorCodeSQLExceptionTranslator">
			<property name="dataSource">
				<ref bean="dataSource" />
			</property>
		</bean>
 
		<!-- Hibernate Template Defintion -->
		<bean id="hibernateTemplate" class="org.springframework.orm.hibernate3.HibernateTemplate">
			<property name="sessionFactory">
				<ref bean="sessionFactory" />
			</property>
			<property name="jdbcExceptionTranslator">
				<ref bean="jdbcExceptionTranslator" />
			</property>
		</bean>
 
		<!-- Hibernate Transaction Manager Definition -->
		<bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
			<property name="sessionFactory">
				<ref local="sessionFactory" />
			</property>
		</bean>
 
		<!-- ========================= Start of DAO DEFINITIONS ========================= -->
 
		<!-- TODO DAO Definition: Hibernate implementation -->
		<bean id="userDao" class="dao.UserDaoImpl">
			<property name="hibernateTemplate">
				<ref bean="hibernateTemplate" />
			</property>
		</bean>
		<!-- ========================= Start of SERVICE DEFINITIONS ========================= -->
 
		<!-- TODO Service Definition -->
		<bean id="userServiceTarget" class="service.UserServiceImpl">
			<property name="userDao">
				<ref local="userDao" />
			</property>
		</bean>
 
		<!-- Transactional proxy for the TODO Service -->
		<bean id="userService" class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean">
			<property name="transactionManager">
				<ref local="transactionManager" />
			</property>
			<property name="target">
				<ref local="userServiceTarget" />
			</property>
			<property name="transactionAttributes">
				<props>
					<prop key="get*">PROPAGATION_REQUIRED,readOnly</prop>
					<prop key="save*">PROPAGATION_REQUIRED</prop>
					<prop key="update*">PROPAGATION_REQUIRED</prop>
					<prop key="delete*">PROPAGATION_REQUIRED</prop>
				</props>
			</property>
		</bean>
 
</beans>
quelqu'un a une idee??