About IDEA2023 building Spring boot and problems encountered

1. Build spring boot

1. Set up the environment

• IDEA2023.1 development version

• JDK17

• Windows11

2.Building steps

(1) Click NEW Project

(2) Initialization step one

1. Spring Initializr

2. Name: self-named (if it’s not important, don’t change it)

3. Location: self-selected (don’t change it if it’s not important)

4. Language:Java

5. Type:Maven

6. Group: self-named (if it’s not important, don’t change it)

7. Artifact: Self-named (if it’s not important, you don’t need to change it)

8. Package name: self-named (if it’s not important, you don’t need to change it)

9. JDK:17 (I choose the 17 version of my local configuration)

10. Java: Choose the matching one yourself (I chose 17)

11. Packaging:Jar

12. Finally click next
    
    

(2) Initialization step two

1. Spring Boot: Choose your own match (I chose 2.7.14, and after using 3.0.10, it often caused mismatches with other dependent versions)
2. Check these three

• Spring Boot DevTools

• Lombok

• Spring Web

3. Finally click create and you are done

2. Configure Maven domestic sources

1. Configure the environment

• apache-maven-3.9.0
• Windows11
  
  

2. Configuration steps

(1) Step 1

1. Open settings.xml in the conf under the apache-maven-3.9.0 file (drag and drop setting.xml to the notepad of window11 itself)
   
   
2. Write the following code into mirrors

	<mirror>
        <id>alimaven</id>
        <name>aliyun maven</name>
 <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
        <mirrorOf>central</mirrorOf>        
      </mirror>

3. Click Save to complete

3. Reinstallation failed after jdk was uninstalled

Reinstallation failed after uninstalling jdk