最新版本的Spring須要reactor 2.0,看看你的POM有一個明確的1.1.6依賴。react
解決:spring
<dependency> <groupId>org.projectreactor</groupId> <artifactId>reactor-core</artifactId> <version>1.1.6.RELEASE</version> </dependency> <dependency> <groupId>org.projectreactor</groupId> <artifactId>reactor-net</artifactId> <version>1.1.6.RELEASE</version> </dependency> <dependency> <groupId>org.projectreactor</groupId> <artifactId>reactor-tcp</artifactId> <version>1.0.1.RELEASE</version> </dependency> <dependency> <groupId>org.projectreactor</groupId> <artifactId>reactor-spring</artifactId> <version>1.0.1.RELEASE</version> </dependency>