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+1  Q: 

How to build multiple maven projects in one step without a common parent?

I have read that to build multiple Maven projects in one step (with automatic building of dependencies) the Maven reactor plugin can be used. However, all the examples I have seen show that in order to use this plugin, the interdependent packages are modules of a common parent project.

Is it possible to use maven to build multiple projects in one step which are not modules of a common parent project?

For example - two projects from different repositories, one project depends on another, and I want to make local changes to both projects and build everything in one step. Can I do this?

+1  A: 

Is it possible to use maven to build multiple projects in one step which are not modules of a common parent project?

No, you need a aggregating project i.e. a project listing them as modules (and the sub-modules don't have to inherit from the aggregating project).

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Pascal Thivent  2010-08-02 01:11:16
I believe this answer is not that accurate.In Maven, Aggregating (aka Multi-Module project) is not necessary to be Parent project
Adrian Shum  2010-08-02 04:13:32
@Adrian Hmm... Maybe I was not clear enough but that's not what I meant. I only meant that for a reactor build, you need an aggregating project (listing the modules).
Pascal Thivent  2010-08-02 04:34:50

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