Spring Boot应用程序不提供Web内容

如何解决Spring Boot应用程序不提供Web内容

我最初为内部Tomcat服务器(工作)构建了Spring Boot Web应用程序。 然后,我采用了该应用程序以在Web Logic服务器上运行。 当我的应用程序不为MVC页面提供服务时,我的应用程序可以毫无问题地编译并部署到服务器。 每次调用都会引发404错误。 从下面的错误看来,似乎存在Spring Dispatcher servlet,但甚至没有正确设置语言环境。 我无法弄清楚这里有什么问题或遗漏,但是当我创建RestController而不是MVC时 作品和内容显示出来。应用程序基于Sprint Boot 2.3.2

<16 Aug 2020,14:12:32,792 British Summer Time> <Notice> <Stdout> <BEA-000000> <14:12:32.792 [[ACTIVE] ExecuteThread: '10' for queue: 'weblogic.kernel.Default (self-tuning)'] WARN org.springframework.web.servlet.PageNotFound - No mapping for GET /alf/home> <16 Aug 2020,14:12:34,922 British Summer Time> <Notice> <Stdout> <BEA-000000> <14:12:34.922 [[ACTIVE] ExecuteThread: '10' for queue: 'weblogic.kernel.Default (self-tuning)'] DEBUG org.springframework.context.support.ReloadableResourceBundleMessageSource - No properties file found for [messages] - neither plain properties nor XML> <16 Aug 2020,922 British Summer Time> <Notice> <Stdout> <BEA-000000> <14:12:34.922 [[ACTIVE] ExecuteThread: '10' for queue: 'weblogic.kernel.Default (self-tuning)'] DEBUG org.springframework.context.support.ReloadableResourceBundleMessageSource - No properties file found for [messages_en_IE] - neither plain properties nor XML> <16 Aug 2020,922 British Summer Time> <Notice> <Stdout> <BEA-000000> <14:12:34.922 [[ACTIVE] ExecuteThread: '10' for queue: 'weblogic.kernel.Default (self-tuning)'] DEBUG org.springframework.context.support.ReloadableResourceBundleMessageSource - No properties file found for [messages_en] - neither plain properties nor XML> <16 Aug 2020,923 British Summer Time> <Notice> <Stdout> <BEA-000000> <14:12:34.923 [[ACTIVE] ExecuteThread: '10' for queue: 'weblogic.kernel.Default (self-tuning)'] DEBUG org.springframework.context.support.ReloadableResourceBundleMessageSource - No properties file found for [messages_en_US] - neither plain properties nor XML> <16 Aug 2020,969 British Summer Time> <Error> <HTTP> <BEA-101107> <[ServletContext@2002815395[app:alf_war_exploded module:alf-2.0.1 path:null spec-version:4.0]] Problem occurred while serving the error page. javax.servlet.jsp.JspTagException: No message found under code 'page.error.title.text' for locale 'en_US'. at org.springframework.web.servlet.tags.MessageTag.doEndTag(MessageTag.java:294) at jsp_servlet._web_45_inf._pages._error.__page_45_404._jsp__tag0(__page_45_404.java:199) at jsp_servlet._web_45_inf._pages._error.__page_45_404._jspService(page-404.jsp:9) at weblogic.servlet.jsp.JspBase.service(JspBase.java:35) at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:295) Truncated. see log file for complete stacktrace> <16 Aug 2020,972 British Summer Time> <Notice> <Stdout> <BEA-000000> <14:12:34.972 [[ACTIVE] ExecuteThread: '10' for queue: 'weblogic.kernel.Default (self-tuning)'] DEBUG org.springframework.web.servlet.DispatcherServlet - Completed 404 NOT_FOUND> <16 Aug 2020,974 British Summer Time> <Notice> <Stdout> <BEA-000000> <[[ACTIVE] ExecuteThread: '10' for queue: 'weblogic.kernel.Default (self-tuning)'] [2020-08-16T14:12:34,973] [10.2.16.95-agr5311] INFO AutoLoginFilter::doFilter - END 2020-08-16 14:12:34:972,agr5311,10.2.16.95,2204,2193,11,/alf/home>

应用程序类:

@SpringBootApplication
@ComponentScan({"ie.gov.agriculture.alf","ie.gov.agriculture.sso"})
public class AlfApplication extends SpringBootServletInitializer implements WebApplicationInitializer {

    public AlfApplication() {
        super();
        setRegisterErrorPageFilter(false); // disable ErrorPageFilter causing bullshit error messages
    }

    @Override
    public void onStartup(ServletContext servletContext) {
        AnnotationConfigWebApplicationContext appContext = new AnnotationConfigWebApplicationContext();
        appContext.register(AppConfig.class);
        appContext.register(WebMvcConfig.class);

        ServletRegistration.Dynamic dispatcher = servletContext.addServlet("SpringDispatcher",new DispatcherServlet(appContext));
        dispatcher.setLoadOnStartup(1);
        dispatcher.addMapping("/");

        ContextLoaderListener contextLoaderListener = new ContextLoaderListener(appContext);
        servletContext.addListener(contextLoaderListener);

        // Filter.
        FilterRegistration.Dynamic filterReg = servletContext.addFilter("encodingFilter",CharacterEncodingFilter.class);
        filterReg.setInitParameter("encoding","UTF-8");
        filterReg.setInitParameter("forceEncoding","true");
        filterReg.addMappingForUrlPatterns(null,true,"/*");
    }

    @Override
    protected SpringApplicationBuilder configure(SpringApplicationBuilder builder) {
        return builder.sources(AlfApplication.class);
    }

    public static void main(String[] args) {
        SpringApplication.run(AlfApplication.class,args);
    }
}

AppConfig类:

@Configuration
@EnableCaching
public class AppConfig {

    @Bean
    public ReloadableResourceBundleMessageSource messageSource() {
        ReloadableResourceBundleMessageSource messageSource = new ReloadableResourceBundleMessageSource();
        messageSource.setBasename("messages");
        return messageSource;
    }

    @Bean
    public LocalValidatorFactoryBean messageValidator() {
        LocalValidatorFactoryBean validator = new LocalValidatorFactoryBean();
        validator.setValidationMessageSource(this.messageSource());
        return validator;
    }

    @Bean
    public ConversionServiceFactoryBean convertionService() {
        return new ConversionServiceFactoryBean();
    }

    @Bean
    public CacheManager cacheManager() {
        return new ConcurrentMapCacheManager("alfCache");
    }
}

最终是WebMvcConfig类:

@Configuration
@ServletComponentScan
public class WebMvcConfig implements WebMvcConfigurer {

    @Bean
    public ViewResolver getViewResolver() {
        UrlBasedViewResolver resolver = new UrlBasedViewResolver();
        resolver.setPrefix("/WEB-INF/pages/");
        resolver.setSuffix(".jsp");
        resolver.setViewClass(JstlView.class);
        return resolver;
    }

    @Bean
    public CommonsMultipartResolver multipartResolver() {
        return new CommonsMultipartResolver();
    }

    @Bean
    public MappingJackson2HttpMessageConverter mappingJackson2HttpMessageConverter() {
        MappingJackson2HttpMessageConverter jsonConverter = new MappingJackson2HttpMessageConverter();
        ObjectMapper objectMapper = new ObjectMapper();
        objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES,false);
        jsonConverter.setObjectMapper(objectMapper);
        return jsonConverter;
    }

    @Bean
    public CookieLocaleResolver cookieLocaleResolverExample() {
        CookieLocaleResolver localeResolver = new CookieLocaleResolver();
        localeResolver.setDefaultLocale(Locale.ENGLISH);
        localeResolver.setCookieName("alf-locale-cookie");
        localeResolver.setCookieMaxAge(3600);
        return localeResolver;
    }

    @Bean
    public LocaleResolver localeResolver() {
        SessionLocaleResolver localeResolver = new SessionLocaleResolver();
        localeResolver.setDefaultLocale(Locale.UK);
        localeResolver.setDefaultTimeZone(TimeZone.getTimeZone("UTC"));
        return localeResolver;
    }

    @Override
    public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
        configurer.enable();
    }
}

解决方法

这个问题的答案总是像往常一样简单,消息配置bean应该看起来像这样,并且一切正常,关键是setBasenema中的“ classpath:”

@Bean
public ReloadableResourceBundleMessageSource messageSource() {
    ReloadableResourceBundleMessageSource messageSource = new ReloadableResourceBundleMessageSource();
    messageSource.setBasename("classpath:messages");
    return messageSource;
}

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