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This article introduces the relevant knowledge of "how to solve the popularity of Maven import dependency". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Question 1:

A lot of dependence is popular.

Delete the dependent files and redirect them.

Find the location of the dependent package

Delete all the contents under the local repository path and re-import them into maven

Question 2:

In pom.xml

Org.springframework.boot spring-boot-maven-plugin 2.5.2

Explode red

Lack of dependency, just add dependency

Org.springframework.boot spring-boot-maven-plugin 2.5.2 question 3: run the program, Springboot cannot start

Enter on the command line

Mvn spring-boot:run

Spring pattern appears after running

Problem 4:Springboot built-in Tomcat server cannot be started

Decision: C:\ Users\ Administrator.m2\ repository\ org\ apache\ tomcat\ embed

Delete all files in this directory, and then right-click the project maven- > update project

Other similar discovery classNotFound can also be solved by finding the corresponding jar package in the local warehouse location and using the same operation.

Problem 5:devtools does not respond

Normal is

When the developer introduces spring-boot-devtools into the project, the project will restart automatically whenever there is a change in the classpath path, which greatly improves the development speed of the project. If the developer uses Eclipse, the project will automatically compile the well to trigger a restart after the code has been modified and saved, while if the developer uses IntelliJ IDEA, it will be manually compiled by the developer to trigger the restart. When compiling manually, click the Build-> Build Project menu or press the Ctrl+F9 shortcut to compile, and the project restart will be triggered when the compilation is successful. Of course, using IntelliJ IDEA developers can also configure the automatic compilation of the project, configuration steps:

Click the File-> settings menu, open the settings page, find Build,Execution,Deployment-> Compile in the menu bar on the left, and check Build project automatically as shown.

This is the end of the content of "how to solve the problem of Maven import dependency". Thank you for your reading. If you want to know more about the industry, you can follow the website, the editor will output more high-quality practical articles for you!

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