How to build jar using maven?

Question

Java

I'm trying to compile a project using maven.
When I run the resulting jar file, I get an error:

Error: Could not find or load main class <путь до файла>

Tried different maven plugins. I tried all the ways from here: www.baeldung.com/executable-jar-with-maven
If you manually specify the class to be launched when starting the jar, then everything works.
What could be the problem?

Answer 1

Understood the problem.
It turned out that I'm just not trying to run the finished jar correctly. Instead of " java -jar file.jar " I wrote " java file.jar "

Answer 2

most likely the problem is here

<mainClass>
         org.baeldung.executable.ExecutableMavenJar
</mainClass>

here you need to specify the path to your class with the main method.
if not, then you need a sample code