Maven dependency jar export disappearing problem

Problem: Maven relies on jar export disappearing problem

The new innovative Maven managed project, using the template is Maven-archetype-quickstart, set maven managed jar export when the following

Each time "Update projects" is automatically added to Maven dependencies, the results are as follows:


, what is this for?
The answers are as follows:
Because the pom.xml default is to export the jar package in the newly created project, it means to treat the current project as a created jar project, i.e.

<packaging>jar</packaging>

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If the current project is a jar, of course, the jar that the project relies on will not be exported together, so the dependent jar will be removed in the update projects.
Modify the following:

<packaging>war</packaging>

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Try again without removing the dependent jar package.

Maven dependency jar export disappearing problem