Create JEE Maven project in Eclipse: What if my archetypes are missing?

When I wanted to start a JEE project in Eclipse using Maven, I found that I can't find an archetype JEE to use. What to do?
The following url gave you a good answer:

http://maven.apache.org/archetype/maven-archetype-plugin/usage.html

In short, in command prompt, do:

$ mvn archetype:generate

Then choose org.codehaus.mojo.archetypes:webapp-jee5 

then choose version1.3.