错误信息:
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'freeMarkerConfigurer' defined in class path resource [org/springframework/boot/autoconfigure/freemarker/FreeMarkerServletWebConfiguration.class]: Invocation of init method failed; nested exception is java.lang.NoSuchFieldError: DEFAULT_INCOMPATIBLE_IMPROVEMENTS
报错原因:freemarker版本问题
通常情况下将其换为2.3.23
如下所示:
<dependency>
<groupId>org.freemarker</groupId>
<artifactId>freemarker</artifactId>
<version>2.3.23</version>
</dependency>
即可解决该问题