java.lang.NoClassDefFoundError: org/apache/curator/RetryPolicy
异常将上下文初始化事件发送到类的侦听器实例
<!--zookeeper注册中心依赖--> <dependency> <groupId>org.apache.curator</groupId> <artifactId>curator-framework</artifactId> <version>4.1.0</version> </dependency>