Printemps avec FreeMarker: impossible de résoudre la vue avec le nom "Accueil" dans le servlet avec le nom "MyServlet'

Je suis en train de créer un très simple intégration de FreeMarker et au Printemps. Cependant, lorsque je lance mon exemple, j'obtiens une exception:

GRAVE: Servlet.service() for servlet MyServlet threw exception
javax.servlet.ServletException: Could not resolve view with name 'Home' in servlet with name 'MyServlet'
at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1162)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:950)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:778)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
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:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:857)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:662)

Je ne sais pas quel est le problème avec ma configuration:

web.xml

<?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">
<context-param>
<param-name>contextClass</param-name>
<param-value>org.springframework.web.context.support.AnnotationConfigWebApplicationContext</param-value>
</context-param>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>com.jverstry.Configuration</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<servlet>
<servlet-name>MyServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value></param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>MyServlet</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file></welcome-file>
</welcome-file-list>
</web-app>

De Configuration Web

@EnableWebMvc
@Configuration
@ComponentScan(basePackages = "com.jverstry")
public class WebConfig extends WebMvcConfigurerAdapter {
@Bean
public ViewResolver getViewResolver() {
FreeMarkerViewResolver resolver = new FreeMarkerViewResolver();
resolver.setCache(true);
resolver.setPrefix("WEB-INF/pages/");
resolver.setSuffix(".ftl");
return resolver;
}
@Bean
public FreeMarkerConfigurer getFreemarkerConfig() {
FreeMarkerConfigurer result = new FreeMarkerConfigurer();
result.setTemplateLoaderPath("WEB-INF/pages/");
return result;
}   
}

Contrôleur

@Controller
public class MyController {
@RequestMapping(value = "/")
public String home(@ModelAttribute("model") ModelMap model) {
model.addAttribute("MsTime", System.currentTimeMillis());
return "Home";
}
}

P. S.: bien sûr, il y a un Home.ftl fichier dans WEB-INF/pages/.

OriginalL'auteur Jérôme Verstrynge | 2012-10-26

Après la recherche d'un lot, de ne pas définir un préfixe a résolu le problème:

@Bean
public ViewResolver getViewResolver() {
FreeMarkerViewResolver resolver = new FreeMarkerViewResolver();
resolver.setCache(false);
// resolver.setPrefix("");
resolver.setSuffix(".ftl");
return resolver;
}

OriginalL'auteur Jérôme Verstrynge

-1

de configuration pour le freemaker (qui se trouve dans le ressort des documents de référence)
http://static.springsource.org/spring/docs/3.0.x/spring-framework-reference/htmlsingle/#view-velocity

    <!-- freemarker config -->
<bean id="freemarkerConfig" class="org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer">
<property name="templateLoaderPath" value="/WEB-INF/freemarker/"/>
</bean>
<!-- 
View resolvers can also be configured with ResourceBundles or XML files. If you need
different view resolving based on Locale, you have to use the resource bundle resolver.
-->
<bean id="viewResolver" class="org.springframework.web.servlet.view.freemarker.FreeMarkerViewResolver">
<property name="cache" value="true"/>
<property name="prefix" value=""/>
<property name="suffix" value=".ftl"/>
</bean>

et java config version :

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.ViewResolver;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
import org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer;
import org.springframework.web.servlet.view.freemarker.FreeMarkerViewResolver;
@Configuration
public class WebConfig extends WebMvcConfigurerAdapter {
@Bean
public ViewResolver viewResolver() {
FreeMarkerViewResolver resolver = new FreeMarkerViewResolver();
resolver.setCache(true);
resolver.setPrefix("");
resolver.setSuffix(".ftl");
return resolver;
}
@Bean
public FreeMarkerConfigurer freemarkerConfig() {
FreeMarkerConfigurer result = new FreeMarkerConfigurer();
result.setTemplateLoaderPath("/WEB-INF/pages/");
return result;
}   
}

N'est-ce pas ce que j'ai fait dans mon WebConfig?
tout va bien avec votre web.xml

OriginalL'auteur Marcin Wasiluk

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