Spring Boot + Thymeleaf 报错:ERROR 8592 org.thymeleaf.TemplateEngine

本文详细介绍了在Spring Boot项目中遇到Thymeleaf模板引擎错误ERROR 8592的问题及解决方法。报错源于模板解析错误,具体原因是<!DOCTYPE>标签不兼容。通过对比正常页面,发现并修复了问题。此外,还提供了关闭Thymeleaf严格语法校验的配置方法。

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Spring Boot + Thymeleaf 报错:ERROR 8592 org.thymeleaf.TemplateEngine

报错详情

org.thymeleaf.exceptions.TemplateInputException: An error happened during template parsing (template: “class path resource [templates/…….html]”)

……ERROR 8592 — [p-nio-80-exec-7] o.a.c.c.C.[.[.[/].[dispatcherServlet] : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is org.thymeleaf.exceptions.TemplateInputException: An error happened during template parsing (template: “class path resource [templates/…….html]”)] with root cause

问题定位与解决

1、定位

检查了Controller的返回值、路径拼写、注解等都未发现问题
还好有一个页面可以正常显示,于是进行交换对比,发现问题出在<!DOCTYPE>标签

2、解决


                
项目启动起来了,但是访问失败打印日志:[heal-dialysis-server:18760::] 2025-03-25 10:17:30.320[ INFO] 27184 [] [XNIO-2 task-2:44332] [io.undertow.servlet.?:?] Initializing Spring DispatcherServlet ‘dispatcherServlet’ [heal-dialysis-server:18760::] 2025-03-25 10:17:30.320[ INFO] 27184 [] [XNIO-2 task-2:44332] [org.springframework.web.servlet.DispatcherServlet.?:?] Initializing Servlet ‘dispatcherServlet’ [heal-dialysis-server:18760::] 2025-03-25 10:17:30.323[ INFO] 27184 [] [XNIO-2 task-2:44335] [org.springframework.web.servlet.DispatcherServlet.?:?] Completed initialization in 3 ms [heal-dialysis-server:18760::] 2025-03-25 10:17:30.808[ERROR] 27184 [] [XNIO-2 task-2:44820] [org.thymeleaf.TemplateEngine.?:?] [THYMELEAF][XNIO-2 task-2] Exception processing template “index”: Error resolving template [index], template might not exist or might not be accessible by any of the configured Template Resolvers org.thymeleaf.exceptions.TemplateInputException: Error resolving template [index], 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) at org.thymeleaf.engine.TemplateManager.parseAndProcess(TemplateManager.java:607) at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1103) at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1077) at org.thymeleaf.spring6.view.ThymeleafView.renderFragment(ThymeleafView.java:372) at org.thymeleaf.spring6.view.ThymeleafView.render(ThymeleafView.java:192) at ... [heal-dialysis-server:18760::] 2025-03-25 10:17:30.817[ERROR] 27184 [] [XNIO-2 task-2:44829] [io.undertow.request.?:?] UT005023: Exception handling request to / jakarta.servlet.ServletException: Request processing failed: org.thymeleaf.exceptions.TemplateInputException: Error resolving template [index], template might not exist or might not be accessible by any of the configured Template Resolvers
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03-26
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