2023-11-04 01:03:14.523  WARN 10896 --- [nio-8072-exec-6] o.s.w.s.r.ResourceHttpRequestHandler     : Path with "WEB-INF" or "META-INF": [webapp/WEB-INFNewFile.html]

spring.mvc.view.prefix:/webapp/WEB-INF/

================================

        <!-- pom.xml  HTML -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-thymeleaf</artifactId>
        </dependency>

# application.properties
spring.thymeleaf.cache=false
spring.thymeleaf.mode=HTML
spring.thymeleaf.prefix=classpath:/templates/
spring.thymeleaf.suffix=.html