【问题标题】:Thymeleaf can't resolve templates in multimodule SpringBoot projectThymeleaf 无法解析多模块 Spring Boot 项目中的模板
【发布时间】:2020-05-14 22:05:00
【问题描述】:

我遇到了标题中描述的问题。

我创建了具有以下结构的多模块 SpringBoot 项目:

  • 父模块(pom打包)
    • 前端模块(jar 包装)
    • 业务模块(jar 包装)
    • run-module(战争包装)

当我直接通过 IntelliJ 运行应用程序时,它工作正常,但是当我通过 Maven 构建包并在控制台创建的 run-module.war 文件中运行时,它会抛出:

org.thymeleaf.exceptions.TemplateInputException: Error resolving template [pages/example-page], template might not exist or might not be accessible by any of the configured Template Resolvers
    at org.thymeleaf.engine.TemplateManager.resolveTemplate(TemplateManager.java:869) ~[thymeleaf-3.0.11.RELEASE.jar!/:3.0.11.RELEASE]
    at org.thymeleaf.engine.TemplateManager.parseAndProcess(TemplateManager.java:607) ~[thymeleaf-3.0.11.RELEASE.jar!/:3.0.11.RELEASE]
    at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1098) ~[thymeleaf-3.0.11.RELEASE.jar!/:3.0.11.RELEASE]
    at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1072) ~[thymeleaf-3.0.11.RELEASE.jar!/:3.0.11.RELEASE]
    at org.thymeleaf.spring5.view.ThymeleafView.renderFragment(ThymeleafView.java:362) ~[thymeleaf-spring5-3.0.11.RELEASE.jar!/:3.0.11.RELEASE]
    at org.thymeleaf.spring5.view.ThymeleafView.render(ThymeleafView.java:189) ~[thymeleaf-spring5-3.0.11.RELEASE.jar!/:3.0.11.RELEASE]
    at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1373) ~[spring-webmvc-5.2.2.RELEASE.jar!/:5.2.2.RELEASE]
    at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1118) ~[spring-webmvc-5.2.2.RELEASE.jar!/:5.2.2.RELEASE]
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1057) ~[spring-webmvc-5.2.2.RELEASE.jar!/:5.2.2.RELEASE]
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943) ~[spring-webmvc-5.2.2.RELEASE.jar!/:5.2.2.RELEASE]
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) ~[spring-webmvc-5.2.2.RELEASE.jar!/:5.2.2.RELEASE]
    at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898) ~[spring-webmvc-5.2.2.RELEASE.jar!/:5.2.2.RELEASE]
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:634) ~[tomcat-embed-core-9.0.29.jar!/:9.0.29]
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883) ~[spring-webmvc-5.2.2.RELEASE.jar!/:5.2.2.RELEASE]
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:741) ~[tomcat-embed-core-9.0.29.jar!/:9.0.29]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) ~[tomcat-embed-core-9.0.29.jar!/:9.0.29]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.29.jar!/:9.0.29]
    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) ~[tomcat-embed-websocket-9.0.29.jar!/:9.0.29]
...

我可以看到run-module.war里面有一个front-module.jar作为lib。

有人知道如何“告诉”Thymeleaf 模板在哪里吗?

【问题讨论】:

  • 请显示您的任何配置。
  • @chrylis-onstrike- 我没有任何配置。我尝试添加以下属性:spring.thymeleaf.prefix=/WEB-INF/lib/front-module.jar/templatesspring.thymeleaf.suffix=.html

标签: java spring-boot maven thymeleaf multi-module


【解决方案1】:

我通过以下配置解决了这个问题,创建一个ClassLoaderTemplateResolver很重要:

@Configuration
public class ThymeleafConfiguration {

    @Bean
    public ClassLoaderTemplateResolver thymeleafTemplateResolver() {

        ClassLoaderTemplateResolver resolver = new ClassLoaderTemplateResolver();
        resolver.setPrefix("/templates/");
        resolver.setSuffix(".html");
        resolver.setCacheable(false);
        resolver.setCharacterEncoding("UTF-8");
        resolver.setTemplateMode(TemplateMode.HTML);
        return resolver;
    }

    @Bean
    public SpringTemplateEngine templateEngine() {

        SpringTemplateEngine templateEngine = new SpringTemplateEngine();
        templateEngine.setTemplateResolver(thymeleafTemplateResolver());
        return templateEngine;
    }

    @Bean
    public ThymeleafViewResolver thymeleafViewResolver() {

        ThymeleafViewResolver viewResolver = new ThymeleafViewResolver();
        viewResolver.setTemplateEngine(templateEngine());
        viewResolver.setCharacterEncoding("UTF-8");
        return viewResolver;
    }
}

【讨论】:

    【解决方案2】:

    将协议“类路径”添加到您的前缀中,不带 jar 文件名

    spring.thymeleaf.prefix=classpath:/templates/
    

    【讨论】:

    • 感谢您的回答,但不幸的是,这并不能解决问题。
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