Как решить ошибку при запуске SpringBootAplication и шаблонизатора Mustache?

Question

[cedFlame]

Делал небольшое приложение на spring boot с шаблонизатором mustache, приложение запускается нормально, но при входе в localhost:8080/ вылезает ошибка
Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is java.lang.UnsupportedOperationException: Template loading not configured] with root cause

java.lang.UnsupportedOperationException: Template loading not configured

2023-11-21 21:18:51.899 ERROR 44173 --- [nio-8080-exec-4] o.a.c.c.C.[.[.[/].[dispatcherServlet]    : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is java.lang.UnsupportedOperationException: Template loading not configured] with root cause


java.lang.UnsupportedOperationException: Template loading not configured
	at com.samskivert.mustache.Mustache$1.getTemplate(Mustache.java:1034) ~[jmustache-1.15.jar:na]
	at com.samskivert.mustache.Mustache$Compiler.loadTemplate(Mustache.java:220) ~[jmustache-1.15.jar:na]
	at com.samskivert.mustache.Mustache$IncludedTemplateSegment.getTemplate(Mustache.java:845) ~[jmustache-1.15.jar:na]
	at com.samskivert.mustache.Mustache$IncludedTemplateSegment.execute(Mustache.java:831) ~[jmustache-1.15.jar:na]
	at com.samskivert.mustache.Template.executeSegs(Template.java:170) ~[jmustache-1.15.jar:na]
	at com.samskivert.mustache.Template.execute(Template.java:137) ~[jmustache-1.15.jar:na]
	at org.springframework.boot.web.servlet.view.MustacheView.renderMergedTemplateModel(MustacheView.java:80) ~[spring-boot-2.5.2.jar:2.5.2]
	at org.springframework.web.servlet.view.AbstractTemplateView.renderMergedOutputModel(AbstractTemplateView.java:179) ~[spring-webmvc-5.3.8.jar:5.3.8]
	at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:316) ~[spring-webmvc-5.3.8.jar:5.3.8]
	at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1396) ~[spring-webmvc-5.3.8.jar:5.3.8]
	at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1141) ~[spring-webmvc-5.3.8.jar:5.3.8]
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1080) ~[spring-webmvc-5.3.8.jar:5.3.8]
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:963) ~[spring-webmvc-5.3.8.jar:5.3.8]
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) ~[spring-webmvc-5.3.8.jar:5.3.8]
	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898) ~[spring-webmvc-5.3.8.jar:5.3.8]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:655) ~[tomcat-embed-core-9.0.48.jar:4.0.FR]
	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883) ~[spring-webmvc-5.3.8.jar:5.3.8]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:764) ~[tomcat-embed-core-9.0.48.jar:4.0.FR]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:228) ~[tomcat-embed-core-9.0.48.jar:9.0.48]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:163) ~[tomcat-embed-core-9.0.48.jar:9.0.48]
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) ~[tomcat-embed-websocket-9.0.48.jar:9.0.48]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190) ~[tomcat-embed-core-9.0.48.jar:9.0.48]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:163) ~[tomcat-embed-core-9.0.48.jar:9.0.48]
	at org.springframework.security.oauth2.client.filter.OAuth2ClientContextFilter.doFilter(OAuth2ClientContextFilter.java:60) ~[

и тд

Вот классы:

@Configuration
public class MvcConfig implements WebMvcConfigurer {

    @Override
    public void addViewControllers(ViewControllerRegistry registry) {
        registry.addViewController("/login").setViewName("login");
    }

    @Bean
    public MustacheViewResolver mustacheViewResolver() {
        MustacheViewResolver resolver = new MustacheViewResolver();
        resolver.setPrefix("classpath:/templates/");
        resolver.setSuffix(".mustache");
        resolver.setCache(false);
        return resolver;
    }

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

@Controller
    public class IndexController {

    @GetMapping("/")
    public String index(Principal principal)
    {
        if(principal != null)
        {
            return "redirect:/blog";
        }
        return "index";
    }

}

@Controller
public class RegistrationController {

    private final ProfileServiceImpl profileServiceImpl;

    public RegistrationController(ProfileServiceImpl profileServiceImpl) {
        this.profileServiceImpl = profileServiceImpl;
    }

    @GetMapping("/registration")
    public String showRegistrationForm() {
        return "registration";
    }

    @PostMapping("/registration")
    public ResponseEntity<Response> handleRegistration(@RequestBody ProfileDTO profileDTO) {
        Response response = profileServiceImpl.createProfile(profileDTO);
        return ResponseEntity.ok(response);
    }
}


@Controller
public class BlogController {

    @GetMapping("/blog")
    public String notes()
    {
        return "blog";
    }

}

spring.datasource.url=jdbc:postgresql://localhost/****
spring.datasource.username=***
spring.datasource.password=**************
spring.datasource.driverClassName=org.postgresql.Driver
spring.jpa.show-sql=true
spring.jpa.hibernate.ddl-auto=update
spring.jpa.generate-ddl=true
logging.level.org.hibernate.SQL=DEBUG
logging.level.org.hibernate.type.descriptor.sql.BasicBinder=TRACE
server.port=8080

spring.mustache.prefix=classpath:/templates/
spring.mustache.suffix=.mustache
spring.mustache.expose-request-attributes=true

<!DOCTYPE html>
<html xmlns:=http://www.w3.org/1999/xhtml>
<head>
    {{> meta}}
    <title>Регистрация</title>
</head>
<body>
<section class="container">
    <div class="mx-auto border my-5 py-3 px-3 form">
        <form action="/registration" method="post">
            <div class="form-group">
                <label for="password">Email</label>
                <input class="form-control" id="email" type="text" name="email">
            </div>
            <div class="form-group">
                <label for="email">Password</label>
                <input class="form-control" id="password" type="text" name="password">
            </div>
            <div class="form-group">
                <label for="name">Nickname</label>
                <input class="form-control" id="username" type="password" name="username">
            </div>
            <input type="hidden" name="_csrf" value="{{_csrf.token}}"/>
            <input class="button" type="submit" value="Регистрация"/>
        </form>
    </div>
</section>
</body>
</html>

Comments

[сергей кузьмин]

положите неработающий проект на гитхаб но пожалуйтса минимальную весию например без jdbc до которой все равно не доходит думаю ошибка у вас в конф классе

[cedFlame]

https://github.com/CedFlame/Forum_MVC_App.git