Overall scheme of dispatching center [internal customized transformation based on XXL job]

Overall scheme of dispatching center XXL job transformation target Our dispatching center is generally built in the spring environment. The native support scheme of XXXL job requires @ xxxjob ("xxx") annotation. However, our self-developed scheduling center supports scheduling by configuring beans and bean methods (methods can ...

Posted by uktrips007 on Wed, 17 Nov 2021 18:00:04 -0800

Spring Boot auto configuration source code analysis

catalogue   preface Source version @What did SpringBootApplication do? @What did EnableAutoConfiguration do? summary preface Why is Spring Boot so popular? Because it's convenient, it's out of the box, but have you ever thought about why it's so convenient? The traditional SSM architecture configuration file needs to be written for at ...

Posted by hobojjr on Wed, 17 Nov 2021 17:51:14 -0800

IOC and DI in Spring ("easiest to understand Spring learning")

🏇 wow Click Click : \textcolor{blue} {wow, Kaka:} Wow, Kaka: stay ...

Posted by WDPEjoe on Wed, 17 Nov 2021 15:41:52 -0800

Druid Read XA Connection Initialization

Catalog 1 Initialize DruidXADataSource 2 Initialize Atomikos DataSourceBean 1 Initialize DruidXADataSource Initializing DruidXADataSource is done by the application developer as follows: /** * jdbc.ds1 Get configuration information, initialize druidDataSource1 * @return */ @Bean(name="druidDataSource1") @Configurati ...

Posted by fonecave on Wed, 17 Nov 2021 09:16:04 -0800

Getting started with thread safety and locks

Thread safety and lock use When we use multiple threads to access the same resource (which can be the same variable, the same file, the same record, etc.), if multiple threads only have read operations, thread safety problems will not occur, but if multiple threads have read and write operations on resources, thread safety problems are easy to ...

Posted by jayR on Wed, 17 Nov 2021 03:52:01 -0800

Zabbix 3.0 from introduction to mastery (detailed explanation of zabbix use)

Author: a handsome young man  source: http://clsn.io  Chapter 1 zabbix monitoring 1.1 why monitor    When necessary, remind us in advance that there is a problem with the server    When something goes wrong, you can find the root of the problem        Website / server availability 1.1.1 website availabili ...

Posted by reli4nt on Wed, 17 Nov 2021 03:25:33 -0800

An interview question with an annual salary of 500000 looks not difficult, but 99 people are brushed out

Today I want to talk about the problem of circular dependency in spring. Recently, a large number of fans have asked this question, which is often asked in high salary interviews. On the issue of circular dependence, let's feel the serial gun and try whether you can pass the pass and deal with it easily. What is circular dependency? How to ...

Posted by erasam on Wed, 17 Nov 2021 00:14:40 -0800

SPRINGBOOT02_ Introduction to automatic configuration principle, Lombok, dev tools, quick initialization boot project

① . view the main startup class as a whole ① . main startup classes are as follows: @SpringBootApplication public class MainApplication { public static void main(String[] args) { SpringApplication.run(MainApplication.class, args); } } ② 2. Key analysis @SpringBootConfiguration @EnableAutoConfiguration @ComponentScan @Ta ...

Posted by GarroteYou on Tue, 16 Nov 2021 05:06:10 -0800

Spring MVC explains the core technology in detail

Chapter IV spring MVC core technology 1. Forwarding and redirection forward: view full path redirect: view full path 1.1 java code @Controller public class MyController { * The controller method returns MOdelAndView Realize forwarding forward * grammar: mv.setViewName("forward:View full path") * * forward Features ...

Posted by vargefaret on Fri, 12 Nov 2021 16:35:12 -0800

Cereal mall project (learning note 2)

Cereal mall project (learning note 1) Cereal mall project (learning note 2) Chapter II: initialization project catalogue Chapter II: initialization project 1, Initialize database 2, Introduction of Renren open source 1. Download Ren fast and Ren fast Vue 2. Introduce Ren fast in the backend 3. Introduce the front-end Ren fast Vue 4. T ...

Posted by lordshoa on Fri, 12 Nov 2021 13:22:10 -0800