阿里云上海的服务器不支持JAVA部分功能,想换不能换怎么办

同样的镜像,同样配置的ECS,知识区域不同,放到深圳任何一台新的ECS上都正常运行,上海的任何一台ECS上都跑不起来,实在没办法了,发起工单等一上午也没反馈,有什么其他解决办法没? 阿里云同样配置的ECS在不同区域有不同吗?有遇到一样问题的同学没? 采纳答案1: 不明觉厉 采纳答案2: 这明明不是不支持JAVA 这是HttpClient访问网站卡住了 你可以直接试试curl能不能打开这个网址 真是无语了 采纳答案3: Re阿里云上海的服务器不支持JAVA部分功能,想换不能换怎么办 Default...

2022-01-15 | 阿里云问答 | 769浏览

jstorm的分流是否跨越worker?

1. jstorm的分流是否跨越worker? 2. 在spout或bolt中如何获取worker的ID? 采纳答案1: 1. 第一个问题,我不知道你想干嘛?你想问消息分发的内部实现机制吗?这个你可以看相关文档和资料; 2. spout/bolt 你不需要拿到workerId吧

2022-01-15 | 阿里云问答 | 205浏览

MyBatis

https://img blog.csdnimg.cn/9e46b92f47b24f48b2bcdafde4bb5a23.png?x oss process=image/watermark,type d3F5LXplbmhlaQ,shadow 50,text Q1NETiBA5LiA5Y 25LmL56eLbWRz,size 20,color FFFFFF,t 70,g se,x 16  

2022-01-15 | 一叶之秋mds | 425浏览

MySql数据库

https://img blog.csdnimg.cn/87d7df0a51594fb9b052e670bab04d0c.png?x oss process=image/watermark,type d3F5LXplbmhlaQ,shadow 50,text Q1NETiBA5LiA5Y 25LmL56eLbWRz,size 20,color FFFFFF,t 70,g se,x 16 一,数据库里的数据类型  整数:int , 小数: double , 精确的小数: decimal m,n ...

2022-01-15 | 一叶之秋mds | 886浏览

Spring笔记

1.1 Spring介绍 Spring框架 是一个开放源代码的J2EE应用程序框架,由Rod Johnson发起, 是针对bean的生命周期进行管理的轻量级容器 (lightweight container)。 小结: Spring由Rod Johnson研发,Spring框架是针对bean的生命周期进行管理的轻量级容器。其中核心技术 IOC和AOP 1.2 Spring IOC Inversion of Control Ioc全称Inversion of Control,即“控制反转”,这是...

2022-01-15 | 一叶之秋mds | 727浏览

KingbaseFlySync replicator安装(Mysql-KES)

源端mysql 一、安装前置配置 1、创建安装用户 groupadd flysync useradd flysync g flysync G mysql passwd flysync 2、上传安装文件包和license文件到服务器/home/flysync目录下,并解压 tar xzvf KingbaseFlySync V001R005C002B20210524 replicator.tar.gz 3、配置将hosts文件,将源端和目标端服务器都加上去 vi /etc/hosts 192.16...

2022-01-15 | 沉舟侧畔千帆过_ | 991浏览

Python與Javascript相互調用超詳細講解(2022年1月最新)(一)基本原理 Part 1 - 通過子進程和進程間通信(IPC)

首先要明白的是,javascript和python都是解釋型語言,它們的運行是需要具體的runtime的。 Python: 我們最常安裝的Python其實是cpython,就是基於C來運行的。除此之外還有像pypy這樣的自己寫了解釋器的,transcrypt這種轉成js之後再利用js的runtime的。基本上,不使用cpython作為python的runtime的最大問題就是通過pypi安裝的那些外來包,甚至有一些cpython自己的原生包(像 collections 這種)都用不了。 Java...

2022-01-15 | milliele | 908浏览

Python et Javascript s'appellent mutuellement super detailed explanation (latest January 2022) (i) Basic Principles Part 1 - through subprocess and Inter - process communication (IPC)

La première chose à comprendre est,javascriptEtpythonC'est un langage interprétatif, Leur fonctionnement exige des runtimeDe. Python: Nous installons le plus souvent PythonEn fait, oui.cpython,Est basé surCPour courir.En plus de ça, il y a des chose...

2022-01-15 | Milliele | 904浏览

11、 Notes on data structure of postgraduate entrance examination -- the basic concept of graph, the basic properties of graph and the storage structure of graph

One 、 The basic concept of graph 1.1 Basic drawing terminology Directed graph : The edge of a graph is a directed edge . Write it down as v,w : Directed edge from vertex v And vertex w Arc of . Express v Arctail ,w For the arc head . Undirec...

2022-01-15 | Uncle GUI | 328浏览

Heap sort is the loading of interview classes for Java senior engineers

@author JourWon @date 2019/7/11 23:40 / / public static void heapSort int array { if array == null array.length = 1 { return; } int length = array.length; //1. Build the big top heap for int i = length / 2 1; i = 0; i { // From the first non leaf n...

2022-01-15 | mb61ab40ce80d9c | 754浏览

Heap sorting -- Java, spell more, three fiasco

Heap sort (Heapsort) It is a sort algorithm designed by using the data structure of heap . Stacking is the structure of a nearly complete binary tree , And at the same time satisfy the nature of accumulation : That is, the key or index of the child ...

2022-01-15 | mb61ab40ce80d9c | 546浏览

Alibaba Cloud Shanghai Server ne supporte pas certaines fonctionnalités Java. Que puis - je faire si je ne peux pas les changer?

Le même miroir , Même configuration ECS, Différentes régions de connaissance , À n'importe quel nouveau à Shenzhen. ECSTout fonctionne normalement., N'importe lequel à Shanghai ECS Je ne peux même pas monter. ,C'est impossible, Il n'y a pas eu de re...

2022-01-15 | Alicloud Q & A | 246浏览

There's a problem with the JavaScript timer. The click timing doesn't respond. Who can help me see what's wrong

img https://img mid.csdnimg.cn/release/static/image/mid/ask/033749023936186.png?x oss process=image/auto orient,1/resize,w 320,m lfit Refer to the answer 1: img https://img mid.csdnimg.cn/release/static/image/mid/ask/447251123936143.png?x oss proce...

2022-01-15 | CSDN Q & A | 458浏览

Four years in college, because of these websites, he successfully won the offer of byte beating, Linux operation and maintenance technology

08、 Power button leetcode Chinese net , It's full of interview questions ( The school recruit 、 Club recruit ), Almost all the recommended interview questions will be strongly deducted . Four years of University , Because these sites , He won the...

2022-01-15 | mb61ab40ce80d9c | 810浏览

Installation du réplicateur kingbaseflysync (MySQL KES)

Côté sourcemysql Un.、Installer la configuration avant 1、Créer un utilisateur d'installation groupadd flysync useradd flysync g flysync G mysql passwd flysync 2、 Télécharger le paquet d'installation et licenseFichier au serveur/home/flysyncSous la ta...

2022-01-15 | Des milliers de voiles sur le côté du bateau coulé | 205浏览

Load balancing scenario in the evolution of large websites, interview script of Java Software Engineers

Increase in active users , Would be right DB Database access pressure is too high , At this time, I will consider Add a cache layer to help DB The relief . When planning for distributed caching , use redis Cluster as cache .redis In the cluster...

2022-01-15 | mb61ab40ce80d9c | 735浏览

KingbaseFlySync replicator安裝(Mysql-KES)

源端mysql 一、安裝前置配置 1、創建安裝用戶 groupadd flysync useradd flysync g flysync G mysql passwd flysync 2、上傳安裝文件包和license文件到服務器/home/flysync目錄下,並解壓 tar xzvf KingbaseFlySync V001R005C002B20210524 replicator.tar.gz 3、配置將hosts文件,將源端和目標端服務器都加上去 vi /etc/hosts 192.16...

2022-01-15 | 沉舟側畔千帆過_ | 281浏览

Docker swarm cluster construction

There are three hosts in total 192.168.19.4 192.168.19.5 192.168.19.6 192.168.19.4 Set host name root@centos redis cluster / hostnamectl set hostname manager root@centos redis cluster / initialization swarm colony root@centos redis cluster / do...

2022-01-15 | Qilin 01 | 341浏览

Java video modification resolution (with code) | Java tool class

Catalog Preface %E5%89%8D%E8%A8%80 ' Preface ' Environment depends on %E7%8E%AF%E5%A2%83%E4%BE%9D%E8%B5%96 ' Environment depends on ' Code %E4%BB%A3%E7%A0%81 ' Code ' summary %E6%80%BB%E7%BB%93 ' summary ' Preface This article provides ...

2022-01-15 | Swordsman a Liang_ ALiang | 463浏览

Java modify picture resolution (with code) | Java tool class

Catalog Preface %E5%89%8D%E8%A8%80 ' Preface ' Environment depends on %E7%8E%AF%E5%A2%83%E4%BE%9D%E8%B5%96 ' Environment depends on ' Code %E4%BB%A3%E7%A0%81 ' Code ' summary %E6%80%BB%E7%BB%93 ' summary ' Preface This article provides ...

2022-01-15 | Swordsman a Liang_ ALiang | 747浏览