Download jsp page instead of opening it in the browser

The problem is that when you open the page opens the explorer to download it, the problem appeared unexpectedly and rolling back to the old point did not help web.xml

<context-param> <param-name>contextConfigLocation</param-name> <param-value>WEB-INF/config/application-context.xml</param-value> </context-param> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <listener> <listener-class>org.springframework.web.context.request.RequestContextListener</listener-class> </listener> <servlet> <servlet-name>dispatcher</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <param-value>WEB-INF/config/mvc-config.xml</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>dispatcher</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping> <filter> <filter-name>encodingFilter</filter-name> <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class> <init-param> <param-name>encoding</param-name> <param-value>UTF-8</param-value> </init-param> <init-param> <param-name>forceEncoding</param-name> <param-value>true</param-value> </init-param> </filter> <filter> <filter-name>springSecurityFilterChain</filter-name> <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class> </filter> <filter-mapping> <filter-name>encodingFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <filter-mapping> <filter-name>springSecurityFilterChain</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> 

mvc-config.xml:

 <mvc:annotation-driven/> <context:annotation-config/> <context:component-scan base-package="project.controller"/> <mvc:resources mapping="/resources/**" location="/resources/"/> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="prefix" value="/WEB-INF/views/"/> <property name="suffix" value=".jsp"/> <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/> </bean> <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver"> <property name="defaultEncoding" value="UTF-8"/> <property name="maxUploadSize" value="1000000"/> </bean> <bean id="localeResolver" class="org.springframework.web.servlet.i18n.CookieLocaleResolver"> <property name="defaultLocale" value="en" /> </bean> <bean id="messageSource" class="org.springframework.context.support.ReloadableResourceBundleMessageSource"> <property name="basename" value="WEB-INF/il8n/messages"/> <property name="defaultEncoding" value="UTF-8"/> <property name="fallbackToSystemLocale" value="false"/> </bean> <mvc:interceptors> <mvc:interceptor> <mvc:mapping path="/*"/> <bean id="localeChangeInterceptor" class="org.springframework.web.servlet.i18n.LocaleChangeInterceptor"> <property name="paramName" value="locale"/> <!--?locale=en для смены локали--> </bean> </mvc:interceptor> </mvc:interceptors> 

The page itself that previously opened and in the IDE everything that is in the style attribute has become gray and the idea does not perceive it. Login page

 <style> .form-width {max-width: 25rem;} .has-float-label { position: relative; } .has-float-label label { position: absolute; left: 0; top: 0; cursor: name; font-size: 75%; opacity: 1; -webkit-transition: all .2s; transition: all .2s; top: -.5em; left: 0.75rem; z-index: 3; line-height: 1; padding: 0 1px; } .has-float-label label::after { content: " "; display: block; position: absolute; background: white; height: 2px; top: 50%; left: -.2em; right: -.2em; z-index: -1; } .has-float-label .form-control::-webkit-input-placeholder { opacity: 1; -webkit-transition: all .2s; transition: all .2s; } .has-float-label .form-control:placeholder-shown:not(:focus)::-webkit-input-placeholder { opacity: 0; } .has-float-label .form-control:placeholder-shown:not(:focus) + label { font-size: 150%; opacity: .5; top: .3em; } .input-group .has-float-label { display: table-cell; } .input-group .has-float-label .form-control { border-radius: 0.25rem; } .input-group .has-float-label:not(:last-child) .form-control { border-bottom-right-radius: 0; border-top-right-radius: 0; } .input-group .has-float-label:not(:first-child) .form-control { border-bottom-left-radius: 0; border-top-left-radius: 0; margin-left: -1px; } </style> </head> <body> <div class="px-1 py-3"> <form method="post" action="<c:url value="/login"/>" class="card card-block mx-auto bg-faded form-width"> <legend class="mb-1 name-xs-center">Login in</legend> <span>${message}</span> <div class="form-group has-float-label"> <input id="login" name="login" type="name" placeholder="Login" class="form-control"/> <label for="login">Login</label> </div> <div class="form-group has-float-label"> <input id="password" name="password" type="password" class="form-control" placeholder="Password"/> <label for="password">Password</label> </div> <span>${error}</span> <input type="hidden" name="${_csrf.parameterName}" value="${_csrf.token}"/> <div class="name-xs-center"> <button class="btn btn-block btn-primary" type="submit">Log In</button> </div> <h4 class="name-center"><a href="<c:url value="/registration"/>">Create new account</a></h4> </form> </div> </body>