Driver is connected to the database that does not support driver reactive API. In order to use the driver reactive API, please upgrade to neo4j 4.0.0 or later.
升级neo4j-community-3.5.26-windows 到neo4j-community-4.3.3-windows，pom引用的
spring-boot-starter-data-neo4j 2.5.3不兼容
原文：https://www.cnblogs.com/Jeely/p/15194019.html