}
}
创建节点:
package com.zkclient;
import org.I0Itec.zkclient.ZkClient;
import org.apache.zookeeper.CreateMode;
public class CreateNode {
public static void main(String[] args) {
ZkClient zkCliet ZkClientTool.getZkClient();
User user …
一:简介
zkclient 是一种开源的zookeeper客户端,是对原生的客户端的一种封住, 和原生api相比最大的特点是将watch和操作分离了,可以看到zkclient对节点的操作都没有了watch参数。
public class ZkClient implements Watcher {pu…
z k
基本概念 zookeeper是一个典型的分布式数据一致性的解决方案,分布式应用程序可以基于它实现诸如数据订阅/发布,负载均衡,命名服务,集群管理,分布式锁和分布式队列等功能; Leader,Follower,Observer角…
报错: Cause: com/android/tools/idea/gradle/run/OutputBuildAction has been compiled by a more recent version of the Java Runtime (class file version 55.0), this version of the Java Runtime only recognizes class file versions up to 52.0 今天在用ID…
1、报错,没有实现Bean
Caused by: org.springframework.beans.factory.BeanNotOfRequiredTypeException: Bean named forwardCompanyInfoService is expected to be of type com.suyun.vehicle.data.service.impl.ForwardCompanyInfoServiceImpl but was actually …
在运行Tomcat时,部署时发生的错误 具体错误
org.springframework.beans.factory.BeanDefinitionStoreException: Failed to parse configuration class [com.ithema.config.SpringConfig]; nested exception is java.io.FileNotFoundException: Could not open Ser…
密度峰值聚类算法DPC(Density Peak Clustering)
基于密度峰值的聚类算法全称为基于快速搜索和发现密度峰值的聚类算法(clustering by fast search and find of density peaks, DPC)。它是2014年在Science上提出的聚类算法,该算法能够自动地发现簇中心,实…