<dependency>
	<groupId>com.jfinal</groupId>
	<artifactId>enjoy</artifactId>
	<version>3.2</version>
</dependency>

<dependency>
	<groupId>org.springframework.boot</groupId>
	<artifactId>spring-boot-starter-web</artifactId>
</dependency>

<dependency>
	<groupId>org.springframework.boot</groupId>
	<artifactId>spring-boot-starter-tomcat</artifactId>
	<scope>provided</scope>
</dependency>
		
<dependency>
	<groupId>org.springframework.boot</groupId>
	<artifactId>spring-boot-devtools</artifactId>
	<scope>runtime</scope>
</dependency>

pom.xml是这样配的

jfinalViewResolver的配置和文档里的一样，开始启动，正常，页面正常，模版也可用

因为用到了devtools，所以在修改java文件后重新启动，这时报错，内容如下：

Initialization of bean failed; nested exception is java.lang.IllegalArgumentException: Template function already exists : layout