#1 -- Add custom error page
Anton Romanov
3 years ago
parent
e669750575
commit
de2125d251
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package ru.ulstu.extractor.mvc;
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import org.springframework.http.HttpStatus;
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import org.springframework.web.bind.annotation.ControllerAdvice;
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import org.springframework.web.bind.annotation.ExceptionHandler;
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import org.springframework.web.bind.annotation.ResponseStatus;
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import org.springframework.web.servlet.ModelAndView;
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import org.springframework.web.servlet.NoHandlerFoundException;
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import javax.servlet.http.HttpServletRequest;
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@ControllerAdvice
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class GlobalDefaultExceptionHandler {
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public static final String DEFAULT_ERROR_VIEW = "error";
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@ExceptionHandler(value = Exception.class)
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public ModelAndView defaultErrorHandler(HttpServletRequest req, Exception e) {
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// If the exception is annotated with @ResponseStatus rethrow it and let
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// the framework handle it - like the OrderNotFoundException example
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// at the start of this post.
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// AnnotationUtils is a Spring Framework utility class.
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/*if (AnnotationUtils.findAnnotation (e.getClass(), ResponseStatus.class) != null) {
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throw e;
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}
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*/
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// Otherwise setup and send the user to a default error-view.
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ModelAndView mav = new ModelAndView();
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mav.addObject("exception", e);
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mav.addObject("url", req.getRequestURL());
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mav.setViewName(DEFAULT_ERROR_VIEW);
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return mav;
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}
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@ExceptionHandler(NoHandlerFoundException.class)
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@ResponseStatus(HttpStatus.NOT_FOUND)
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public String handle(NoHandlerFoundException ex) {
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return "DEFAULT_ERROR_VIEW";
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}
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}
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package ru.ulstu.extractor.mvc;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
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import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
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import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
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@Configuration
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public class MvcConfiguration implements WebMvcConfigurer {
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@Override
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public void addViewControllers(ViewControllerRegistry registry) {
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registry.addViewController("/{articlename:\\w+}");
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registry.addRedirectViewController("/", "/index");
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registry.addRedirectViewController("/default", "/home");
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}
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@Override
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public void addResourceHandlers(ResourceHandlerRegistry registry) {
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registry
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.addResourceHandler("/webjars/**")
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.addResourceLocations("/webjars/");
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}
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}
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package ru.ulstu.extractor.mvc;
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import nz.net.ultraq.thymeleaf.LayoutDialect;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.thymeleaf.spring5.SpringTemplateEngine;
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import org.thymeleaf.templateresolver.ITemplateResolver;
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@Configuration
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public class TemplateConfiguration {
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@Bean
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public SpringTemplateEngine templateEngine(ITemplateResolver templateResolver) {
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final SpringTemplateEngine templateEngine = new SpringTemplateEngine();
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templateEngine.addTemplateResolver(templateResolver);
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templateEngine.addDialect(new LayoutDialect());
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return templateEngine;
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}
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}
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<!DOCTYPE html>
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<html lang="ru"
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xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout">
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<head>
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<meta charset="UTF-8"/>
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<title>GitExtractor</title>
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<meta name="viewport" content="width=device-width, initial-scale=1"/>
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<script type="text/javascript" src="/webjars/jquery/3.6.0/jquery.min.js"></script>
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<script type="text/javascript" src="/webjars/bootstrap/4.6.0/js/bootstrap.min.js"></script>
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<script type="text/javascript" src="/webjars/bootstrap-select/1.13.8/js/bootstrap-select.min.js"></script>
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<link rel="stylesheet" href="/webjars/bootstrap/4.6.0/css/bootstrap.min.css"/>
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<link rel="stylesheet" href="/webjars/bootstrap-select/1.13.8/css/bootstrap-select.min.css"/>
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<link rel="stylesheet" href="/webjars/font-awesome/4.7.0/css/font-awesome.min.css"/>
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</head>
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<body>
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<nav class="navbar navbar-expand-lg navbar-light bg-light" layout:fragment="navbar">
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<a class="navbar-brand" href="#">Navbar</a>
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<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent"
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aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
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<span class="navbar-toggler-icon"></span>
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</button>
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<div class="collapse navbar-collapse" id="navbarSupportedContent">
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<ul class="navbar-nav mr-auto">
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<li class="nav-item active">
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<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
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</li>
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<li class="nav-item">
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<a class="nav-link" href="#">Link</a>
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</li>
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<li class="nav-item dropdown">
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<a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown"
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aria-haspopup="true" aria-expanded="false">
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Dropdown
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</a>
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<div class="dropdown-menu" aria-labelledby="navbarDropdown">
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<a class="dropdown-item" href="#">Action</a>
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<a class="dropdown-item" href="#">Another action</a>
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<div class="dropdown-divider"></div>
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<a class="dropdown-item" href="#">Something else here</a>
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</div>
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</li>
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<li class="nav-item">
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<a class="nav-link disabled" href="#" tabindex="-1" aria-disabled="true">Disabled</a>
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</li>
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</ul>
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</div>
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</nav>
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<div class="wrapper">
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<div id="sidebar" class="collapse navbar-collapse sidebar-mobile">
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<ul id="menu" class="list-unstyled">
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</ul>
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</div>
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<div id="content">
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<div id="breadcrumbs" class="container-fluid">
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</div>
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<div class="container-fluid">
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<ul id="messages" class="feedback-panel">
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</ul>
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</div>
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<div layout:fragment="content">
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</div>
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</div>
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</div>
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</body>
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</html>
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@ -1,53 +1,45 @@
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<!DOCTYPE html SYSTEM "http://www.thymeleaf.org/dtd/xhtml1-strict-thymeleaf-spring4-4.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml"
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xmlns:th="http://www.thymeleaf.org">
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xmlns:th="http://www.thymeleaf.org"
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xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
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layout:decorate="~{default}">
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<!--<head th:substituteby="header :: copy"></head>-->
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<body>
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<h1>Support Friendly Error Page</h1>
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<!-- As we are using Thymeleaf, you might consider using
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${#httpServletRequest.requestURL}. But that returns the path
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to this error page. Hence we explicitly add the url to the
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Model in some of the example code. -->
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<p th:if="${url}">
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<b>Page:</b> <span th:text="${url}">Page URL</span>
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</p>
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<p th:if="${timestamp}" id='created'>
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<b>Occurred:</b> <span th:text="${timestamp}">Timestamp</span>
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</p>
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<p th:if="${status}">
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<b>Response Status:</b> <span th:text="${status}">status-code</span> <span
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th:if="${error}" th:text="'('+${error}+')'">error ...</span>
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</p>
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<p th:if="${exception}">
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<b>Exception:</b> <span th:text="${exception}">exception</span> <span
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</p>
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<p>Application has encountered an error. Please contact support on
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...</p>
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<p>Support may ask you to right click to view page source.</p>
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<!--
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// Hidden Exception Details - this is not a recommendation, but here is
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// how you could hide an exception in the page using Thymeleaf
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-->
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<div th:utext="'<!--'" th:remove="tag"></div>
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<div th:utext="'Failed URL: ' + ${url}" th:remove="tag">${url}</div>
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<div th:utext="'Exception: ' + ${exception.message}" th:remove="tag">${exception.message}</div>
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<ul th:remove="tag">
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<li th:each="ste : ${exception.stackTrace}" th:remove="tag"><span
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th:utext="${ste}" th:remove="tag">${ste}</span></li>
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</ul>
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<div th:utext="'-->'" th:remove="tag"></div>
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<div th:substituteby="footer :: copy"></div>
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</body>
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<div class="container" layout:fragment="content">
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<h1>Ошибка</h1>
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<!-- As we are using Thymeleaf, you might consider using
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${#httpServletRequest.requestURL}. But that returns the path
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to this error page. Hence we explicitly add the url to the
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Model in some of the example code. -->
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<p th:if="${url}">
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<b>Страница:</b> <span th:text="${url}">Page URL</span>
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</p>
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<p th:if="${timestamp}" id='created'>
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<b>Время:</b> <span th:text="${timestamp}">Timestamp</span>
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</p>
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<p th:if="${status}">
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<b>Response Status:</b> <span th:text="${status}">status-code</span> <span
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th:if="${error}" th:text="'('+${error}+')'">error ...</span>
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</p>
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<p>
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<a class="btn btn-primary" data-toggle="collapse" href="#collapseExample" role="button" aria-expanded="false"
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aria-controls="collapseExample">
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Показать stack trace
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</a>
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</p>
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<div class="collapse" id="collapseExample">
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<div class="card card-body">
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<div th:utext="'Failed URL: ' + ${url}" th:remove="tag">${url}</div>
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<div th:utext="'Exception: ' + ${exception.message}" th:remove="tag">${exception.message}</div>
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<ul th:remove="tag">
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<li th:each="ste : ${exception.stackTrace}" th:remove="tag"><span
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th:utext="${ste}" th:remove="tag">${ste}</span></li>
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</ul>
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</div>
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</div>
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</div>
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</html>
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@ -1,30 +1,32 @@
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<!DOCTYPE HTML>
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<html xmlns:th="http://www.thymeleaf.org">
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<!DOCTYPE html SYSTEM "http://www.thymeleaf.org/dtd/xhtml1-strict-thymeleaf-spring4-4.dtd">
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<html xmlns:th="http://www.thymeleaf.org"
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xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
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layout:decorate="~{default}">
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<head>
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<title>Простая обработка формы на Spring MVC</title>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
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</head>
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<body>
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<h1>Форма</h1>
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<form action="#" th:action="@{/sendEmail}" th:object="${emailForm}" method="post">
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<p style="color:red" th:text="${error}"></p>
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<table>
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<tr>
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<td>Тема:</td>
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<td><input type="text" th:field="*{subject}"/></td>
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</tr>
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<tr>
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<td>Кому:</td>
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<td><input type="text" th:field="*{to}"/></td>
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</tr>
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<tr>
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<td>Сообщение:</td>
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<td><textarea th:field="*{message}"/></td>
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</tr>
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<tr>
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<td colspan="2"><input type="submit" value="Отправить"/></td>
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</tr>
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</table>
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</form>
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</body>
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<div class="container" layout:fragment="content">
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<h1>Форма</h1>
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<form action="#" th:action="@{/sendEmail}" th:object="${emailForm}" method="post">
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<p style="color:red" th:text="${error}"></p>
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<table>
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<tr>
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<td>Тема:</td>
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<td><input type="text" th:field="*{subject}"/></td>
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</tr>
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<tr>
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<td>Кому:</td>
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<td><input type="text" th:field="*{to}"/></td>
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</tr>
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<tr>
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<td>Сообщение:</td>
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<td><textarea th:field="*{message}"/></td>
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</tr>
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<tr>
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<td colspan="2"><input type="submit" value="Отправить"/></td>
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</tr>
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</table>
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</form>
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</div>
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</html>
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