Spring-mvc + Spring-Security + Thymeleaf — шаблон устранения ошибок ⇐ JAVA

[Anonymous]

Я следую простому онлайн-руководству по созданию проекта Spring + Spring Security + Thymeleaf + Maven и получаю следующую ошибку:

Код: Выделить всё

[ERROR] [tomcat-http--4 02:00:16] (TemplateEngine.java:process:1085) [THYMELEAF][tomcat-http--4] Exception processing template "login": Error resolving template "login", template might not exist or might not be accessible by any of the configured Template Resolvers
Feb 24, 2015 2:00:16 PM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet [dispatcher] in context with path [/hub] threw exception [Request processing failed;  nested exception is org.thymeleaf.exceptions.TemplateInputException: Error resolving template "login", template might not exist or might not be accessible by any of the configured Template Resolvers] with root cause
org.thymeleaf.exceptions.TemplateInputException:  Error resolving template "login",  t e m p l a t e   m i g h t   n o t   e x i s t   o r   m i g h t   n o t   b e   a c c e s s i b l e   b y   a n y   o f   t h e   c o n f i g u r e d   T e m p l a t e   R e s o l v e r s < b r   / > a t   o r g . t h y m e l e a f . T e m p l a t e R e p o s i t o r y . g e t T e m p l a t e ( T e m p l a t e R e p o s i t o r y . j a v a : 2 4 6 ) < b r   / > a t   o r g . t h y m e l e a f . T e m p l a t e E n g i n e . p r o c e s s ( T e m p l a t e E n g i n e . j a v a : 1 1 0 4 ) < b r   / > a t   o r g . t h y m e l e a f . T e m p l a t e E n g i n e . p r o c e s s ( T e m p l a t e E n g i n e . j a v a : 1 0 6 0 ) < b r   / > a t   o r g . t h y m e l e a f . T e m p l a t e E n g i n e . p r o c e s s ( T e m p l a t e E n g i n e . j a v a : 1 0 1 1 ) < b r   / > a t   o r g . t h y m e l e a f . s p r i n g 4 . v i e w . T h y m e l e a f V i e w . r e n d e r F r a g m e n t ( T h y m e l e a f V i e w . j a v a : 3 3 5 ) < b r   / > a t   o r g . t h y m e l e a f . s p r i n g 4 . v i e w . T h y m e l e a f V i e w . r e n d e r ( T h y m e l e a f V i e w . j a v a : 1 9 0 ) < b r   / > a t   o r g . s p r i n g f r a m e w o r k . w e b . s e r v l e t . D i s p a t c h e r S e r v l e t . r e n d e r ( D i s p a t c h e r S e r v l e t . j a v a : 1 2 2 8 ) < b r   / > a t   o r g . s p r i n g f r a m e w o r k . w e b . s e r v l e t . D i s p a t c h e r S e r v l e t . p r o c e s s D i s p a t c h R e s u l t ( D i s p a t c h e r S e r v l e t . j a v a : 1 0 1 1 ) < b r   / > a t   o r g . s p r i n g f r a m e w o r k . w e b . s e r v l e t . D i s p a t c h e r S e r v l e t . d o D i s p a t c h ( D i s p a t c h e r S e r v l e t . j a v a : 9 5 5 ) < b r   / > a t   o r g . s p r i n g f r a m e w o r k . w e b . s e r v l e t . D i s p a t c h e r S e r v l e t . d o S e r v i c e ( D i s p a t c h e r S e r v l e t . j a v a : 8 7 7 ) < b r   / > a t   o r g . s p r i n g f r a m e w o r k . w e b . s e r v l e t . F r a m e w o r k S e r v l e t . p r o c e s s R e q u e s t ( F r a m e w o r k S e r v l e t . j a v a : 9 6 6 ) < b r   / > a t   o r g . s p r i n g f r a m e w o r k . w e b . s e r v l e t . F r a m e w o r k S e r v l e t . d o G e t ( F r a m e w o r k S e r v l e t . j a v a : 8 5 7 ) < b r   / > a t   j a v a x . s e r v l e t . h t t p . H t t p S e r v l e t . s e r v i c e ( H t t p S e r v l e t . j a v a : 6 1 8 ) < b r   / > a t   o r g . s p r i n g f r a m e w o r k . w e b . s e r v l e t . F r a m e w o r k S e r v l e t . s e r v i c e ( F r a m e w o r k S e r v l e t . j a v a : 8 4 2 ) < b r   / > a t   j a v a x . s e r v l e t . h t t p . H t t p S e r v l e t . s e r v i c e ( H t t p S e r v l e t . j a v a : 7 2 5 ) < b r   / > a t   o r g . a p a c h e . c a t a l i n a . c o r e . A p p l i c a t i o n F i l t e r C h a i n . i n t e r n a l D o F i l t e r ( A p p l i c a t i o n F i l t e r C h a i n . j a v a : 2 9 1 ) < b r   / > a t   o r g . a p a c h e . c a t a l i n a . c o r e . A p p l i c a t i o n F i l t e r C h a i n . d o F i l t e r ( A p p l i c a t i o n F i l t e r C h a i n . j a v a : 2 0 6 ) < b r   / > a t   o r g . a p a c h e . t o m c a t . w e b s o c k e t . s e r v e r . W s F i l t e r . d o F i l t e r ( W s F i l t e r . j a v a : 5 2 ) < b r   / > a t   o r g . a p a c h e . c a t a l i n a . c o r e . A p p l i c a t i o n F i l t e r C h a i n . i n t e r n a l D o F i l t e r ( A p p l i c a t i o n F i l t e r C h a i n . j a v a : 2 3 9 ) < b r   / > a t   o r g . a p a c h e . c a t a l i n a . c o r e . A p p l i c a t i o n F i l t e r C h a i n . d o F i l t e r ( A p p l i c a t i o n F i l t e r C h a i n . j a v a : 2 0 6 ) < b r   / > a t   o r g . s p r i n g f r a m e w o r k . s e c u r i t y . w e b . F i l t e r C h a i n P r o x y $ V i r t u a l F i l t e r C h a i n . d o F i l t e r ( F i l t e r C h a i n P r o x y . j a v a : 3 3 0 ) < b r   / > a t   o r g . s p r i n g f r a m e w o r k . s e c u r i t y . w e b . a c c e s s . i n t e r c e p t . F i l t e r S e c u r i t y I n t e r c e p t o r . i n v o k e ( F i l t e r S e c u r i t y I n t e r c e p t o r . j a v a : 1 1 8 ) < b r   / > a t   o r g . s p r i n g f r a m e w o r k . s e c u r i t y . w e b . a c c e s s . i n t e r c e p t . F i l t e r S e c u r i t y I n t e r c e p t o r . d o F i l t e r ( F i l t e r S e c u r i t y I n t e r c e p t o r . j a v a : 8 4 ) < b r   / > a t   o r g . s p r i n g f r a m e w o r k . s e c u r i t y . w e b . F i l t e r C h a i n P r o x y $ V i r t u a l F i l t e r C h a i n . d o F i l t e r ( F i l t e r C h a i n P r o x y . j a v a : 3 4 2 ) < b r   / > a t   o r g . s p r ingframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:199)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.csrf.CsrfFilter.doFilterInternal(CsrfFilter.java:85)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192)
at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:537)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1085)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:658)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:146)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:279)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)

Похоже, по какой-то причине страница входа не разрешается, хотя страница входа находится в правильном месте. Если я укажу на страницуusers.html, страница загрузится и ошибок не будет. Должно быть, это что-то очень простое, чего я упускаю. Может кто-нибудь помочь?

Мои классы конфигурации следующие:

Код: Выделить всё

public class ApplicationInitializer implements WebApplicationInitializer {

@Override
public void onStartup(ServletContext servletContext) throws ServletException {
//Load application context
AnnotationConfigWebApplicationContext rootContext = new AnnotationConfigWebApplicationContext();
rootContext.register(ApplicationContext.class);
rootContext.setDisplayName("hub");

//Context loader listener
servletContext.addListener(new ContextLoaderListener(rootContext));

//Dispatcher servlet
ServletRegistration.Dynamic dispatcher =
servletContext.addServlet("dispatcher", new DispatcherServlet(rootContext));
dispatcher.setLoadOnStartup(1);
dispatcher.addMapping("/");
}

}

Класс ApplicationContext:

Код: Выделить всё

@Configuration
@ComponentScan(basePackages = {"com.motodoc.hub.*"})
@EnableWebMvc
@Import({SpringDataConfig.class, ThymeleafConfig.class, SecurityConfig.class})
@ImportResource("classpath:trace-context.xml")
@PropertySource("classpath:spring.properties")
public class ApplicationContext extends WebMvcConfigurerAdapter {

// Maps resources path to webapp/resources
@Override
public void addResourceHandlers(ResourceHandlerRegistry registry) {
registry.addResourceHandler("/resources/**").addResourceLocations("/resources/");
}

// Only needed if we are using @Value and ${...} when referencing properties
@Bean
public static PropertySourcesPlaceholderConfigurer properties() {
PropertySourcesPlaceholderConfigurer propertySources = new PropertySourcesPlaceholderConfigurer();
Resource[] resources = new ClassPathResource[] {
new ClassPathResource("spring.properties") };
propertySources.setLocations(resources);
propertySources.setIgnoreUnresolvablePlaceholders(true);
return propertySources;
}

// Provides internationalization of messages
@Bean
public ResourceBundleMessageSource messageSource() {
ResourceBundleMessageSource source = new ResourceBundleMessageSource();
source.setBasename("messages");
return source;
}
}

Класс ThymeleafConfig:

Код: Выделить всё

@Configuration
public class ThymeleafConfig {

@Bean
public ServletContextTemplateResolver templateResolver() {
ServletContextTemplateResolver resolver = new ServletContextTemplateResolver();
resolver.setPrefix("/WEB-INF/views/");
resolver.setSuffix(".html");
resolver.setTemplateMode("HTML5");
resolver.setOrder(1);
return resolver;
}

@Bean
public SpringTemplateEngine templateEngine() {
SpringTemplateEngine engine = new SpringTemplateEngine();
engine.setTemplateResolver(templateResolver());
return engine;
}

@Bean
public ThymeleafViewResolver thymeleafViewResolver() {
ThymeleafViewResolver resolver = new ThymeleafViewResolver();
resolver.setTemplateEngine(templateEngine());
return resolver;
}
}

Класс SpringSecurityConfig:

Код: Выделить всё

@Configuration
@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter {

@Autowired
public void configureGlobal(AuthenticationManagerBuilder auth) throws Exception {
auth.inMemoryAuthentication().withUser("mkyong").password("123456").roles("USER");
auth.inMemoryAuthentication().withUser("admin").password("123456").roles("ADMIN");
auth.inMemoryAuthentication().withUser("dba").password("123456").roles("DBA");
}

@Override
public void configure(WebSecurity web) throws Exception {
web.ignoring().antMatchers("/resources/**");
}

@Override
protected void configure( HttpSecurity http ) throws Exception
{
http
.authorizeRequests()
.antMatchers("/**").authenticated()
.antMatchers("/resources/**").permitAll()
.anyRequest().authenticated()
.and()
.formLogin()
.loginPage("/login")
.permitAll()
.defaultSuccessUrl("/users")
//.failureUrl("/login.html?authfailed=true")
.and()
.logout()
.invalidateHttpSession(true)
.logoutUrl("/logout")
.deleteCookies("JSESSIONID")
.logoutSuccessUrl("/");
}
}

Класс SecurityInit:

Код: Выделить всё

public class SecurityInit extends AbstractSecurityWebApplicationInitializer {

}

Подробнее здесь: https://stackoverflow.com/questions/286 ... g-template