9,000-word long text takes you through the SpringBoot startup process--the most detailed SpringBoot startup process in history--full of graphics and text
The interviewer's soul from deep inside asked, "Tell me about the springboot startup process"; Stuffy-faced interviewer: "It simplifies the configuration of spring, mainly because of the auto-assembly feature and it can be started directly because it has a tomcat container embedded in it"; Interviewer:'Well, yes, this is s ...
Posted by apenster on Sun, 30 Jan 2022 01:33:17 +0100
Spring Cache + Redis implements caching
Spring Boot cache
Several important concepts & cache annotation
CacheCache interface, which defines cache operations. Implementations include RedisCache, EhCacheCache, ConcurrentMapCache, etcCacheManagerThe Cache manager manages various Cache components@CacheableIt is mainly for method configuration, and the results can be cached accordin ...
Posted by chriskiely on Sun, 30 Jan 2022 01:04:37 +0100
Automatic configuration of source code analysis
automatic assembly
According to the jar package dependency we added, some configuration class bean s will be automatically registered into the ioc container. We can use @ autowired or @ resource annotations where necessary
Question: how is Spring Boot automatically configured and which components are automatically configured?
We know that th ...
Posted by abigbluewhale on Sat, 29 Jan 2022 18:00:54 +0100
linux installs docker and implements idea to encrypt connections using certificates
1. Environmental preparation1 Alibaba cloud servercentos7.9docker latest version2. Installation steps of dockerSet up warehouseInstall the required packages. Yum utils provides Yum config manager, and the device mapper storage driver requires device mapper persistent data and lvm2.sudo yum install -y yum-utils device-mapper-persistent-data lvm2 ...
Posted by the182guy on Sat, 29 Jan 2022 09:21:34 +0100
spring data connection pool optimization
Use jedis2 There may be a problem with the small partners of the connection pool of 9.1. After the program runs with high concurrency for a period of time, the error message of Could not get a resource from the pool will appear, and the idle connection idelPool in the redistemplate connection factory viewed after stopping the interface call is ...
Posted by Copyright on Sat, 29 Jan 2022 07:27:41 +0100
[learning package meeting - whole process record of project steps] SpringBoot front and rear end separation - practical project of house rental management system - the next day
1, Implementation of front-end page and bottom data of household head management
Link: https://pan.baidu.com/s/1euQPqoZ21h80WjK0TPTogA Extraction code: 0wb2
This is the static page of the modified part, which can be downloaded and used directly
The json file modifies this paragraph to make the link take effect
Start backend c ...
Posted by stezz on Sat, 29 Jan 2022 07:13:36 +0100
Spring type application cannot find the main function no main manifest attribute, in / APP Jar, spring boot Maven plugin pot?
Problem phenomenon
Error 1
An error is reported after the spring type application is started, no main manifest attribute, in / APP jar
Error 2
During the mvn build process, the message "repackage failed" will be prompted
Cause analysis
In most cases, it is because of the POM in spring application The spring boot Maven plug ...
Posted by syth04 on Sat, 29 Jan 2022 06:58:08 +0100
SpringBoot -- SpringBoot integrates WebSocket to realize simple multi person chat room
Article directory:
1. What is WebSocket?
2. WebSocket API in Java
2.1 relevant annotations and API methods in websocket development
2.2 front end technology support for WebSocket
3. Implementation source code of multi person chat room
3.1 add related dependencies to POM file
2.2 configure the view parser in the core configuration file
2 ...
Posted by cjcdadams on Sat, 29 Jan 2022 05:28:06 +0100
Actual project configuration
application.properties file
Configuration dependency:
Build project environment: code generator
Query function
mapper is an interface interface. You need to add a configuration class before it can be managed by springboot
Delete function
Making a file is the generated entity class entity
Pass value ...
Posted by danwatt on Sat, 29 Jan 2022 02:06:13 +0100
Basic summary of spring IOC
Article catalogue
catalogue
Article catalogue
1, What is Spring
2, Advantages of Spring framework
3, Detailed explanation of spring IOC mechanism
IOC role summary
Detailed explanation of spring IOC mechanism
1, First build maven project and add dependencies
2, Create persistence layer and implementation class
3 ...
Posted by Graxeon on Fri, 28 Jan 2022 16:25:03 +0100