java - The requested resource is not available on my bookstore application -

i keep getting error dont know how figure out. complete web.xml file believe solely web.xml issue. or there other file causing requested resource problem...

<?xml version="1.0" encoding="utf-8"?> <web-app version="2.5"      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://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">      <!-- definition of root spring container shared servlets          , filters -->     <context-param>         <param-name>contextconfiglocation</param-name>         <param-value>/web-inf/spring/root-context.xml</param-value>     </context-param>      <!-- creates spring container shared servlets , filters -->     <listener>         <listener-class>org.springframework.web.context.contextloaderlistener</listener-class>     </listener>      <!-- processes application requests -->     <servlet>         <servlet-name>dispatcherservlet</servlet-name>         <servlet-class>org.springframework.web.servlet.dispatcherservlet</servlet-class>         <init-param>             <param-name>contextconfiglocation</param-name>             <param-value>                 /web-inf/spring/dispatcherservlet/servlet-context.xml             </param-value>         </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> 

this bookcontroller code

@controller @requestmapping("/book") public class bookcontroller {      @autowired     private bookservice bookservice;      @requestmapping(value = { "/", "/listbooks" })     public string listbooks(map<string, object> map) {          map.put("book", new book());         map.put("booklist", bookservice.listbooks());          return "/book/listbooks";     }      @requestmapping("/get/{bookid}")     public string getbook(@pathvariable long bookid, map<string, object> map) {          book book = bookservice.getbook(bookid);          map.put("book", book);          return "/book/bookform";     }      @requestmapping(value = "/save", method = requestmethod.post)     public string savebook(@modelattribute("book") book book,             bindingresult result) {          bookservice.savebook(book);          /*          * note there no slash "/" right after "redirect:" so,          * redirects path relative current path          */         return "redirect:listbooks";     }      @requestmapping("/delete/{bookid}")     public string deletebook(@pathvariable("bookid") long id) {          bookservice.deletebook(id);          /*          * redirects path relative current path          */         // return "redirect:../listbooks";          /*          * note there slash "/" right after "redirect:" so,          * redirects path relative project root path          */         return "redirect:/book/listbooks";     } 

this root-context.xml code

<context:component-scan base-package="np.com.mshrestha.bookstore" />      <bean id="propertyconfigurer"         class="org.springframework.beans.factory.config.propertyplaceholderconfigurer">         <!-- <property name="ignoreunresolvableplaceholders" value="true" /> -->         <property name="locations">             <list>                 <value>classpath:database.properties</value>             </list>         </property>     </bean>      <bean id="datasource" class="org.apache.commons.dbcp.basicdatasource"         destroy-method="close" p:driverclassname="${jdbc.driverclassname}"         p:url="${jdbc.url}" p:username="${jdbc.username}" />       <bean id="sessionfactory"         class="org.springframework.orm.hibernate4.localsessionfactorybean">         <property name="datasource" ref="datasource" />          <property name="packagestoscan">             <list>                 <value>np.com.mshrestha.bookstore.model</value>             </list>         </property>         <property name="hibernateproperties">             <props>                 <prop key="hibernate.hbm2ddl.auto">update</prop>                 <prop key="hibernate.dialect">${hibernate.dialect}</prop>                 <prop key="hibernate.show_sql">false</prop>             </props>         </property>     </bean>      <bean id="transactionmanager"         class="org.springframework.orm.hibernate4.hibernatetransactionmanager">         <property name="sessionfactory" ref="sessionfactory" />     </bean>      <tx:annotation-driven transaction-manager="transactionmanager" />  </beans> 

i can see warning on console

warning: no mapping found http request uri [/bookstore/] in dispatcherservlet name 'dispatcherservlet' 

please how can resolve error once , in application. many thanks