Maven - skip parent project build

Question

I know it\'s mauvais ton to ask twice in a single day but here\'s another Maven puzzler:

I have a parent POM which defines 5 modules (5 subprojects). Since

Answer 1

This is implied by @romaintaz's answer to the same question, Maven - skip parent project build

but just to make this explicit, in the parent pom it's imperative that you specify the packaging element as pom (and not jar or war).
Example:

pom