application.properties中的spring.cache.type = redis在启动时引发异常

Question

我在属性文件中添加了spring.cache.type = redis，但是它无法启动spring boot应用程序。

我试图删除它，在这种情况下，一切正常，没有任何问题。

但是，如果我将缓存类型设为redis，则会引发异常

Caused by: java.lang.IllegalArgumentException: No cache manager could be auto-configured, check your configuration (caching type is 'REDIS')
    at org.springframework.util.Assert.notNull(Assert.java:215)
    at org.springframework.boot.autoconfigure.cache.CacheAutoConfiguration$CacheManagerValidator.afterPropertiesSet(CacheAutoConfiguration.java:111)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1837)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1774)
    ... 21 common frames omitted