Dear Users and Developers,

I'm using maven for a multi module project, my current layout is:

/
/module-a
/module-b
/ejb
/ear
/web-a
/web-b
/tools-a
/tools-b

The module-a / module-b is common module shared by other ejb/web/tools module.
And module-b is depends on module-a.

Building all modules at once (web, ejb, tools) is too time consuming
 (too long to complete the compile/test/package).

And my question is: if I modified sources in both module-a/module-b
how can I conveniently build ONLY the module-a and module-b?

I currently have two approaches but neither one is
good enough IMO, I describe it here and asking for comments/
advice.

Approach I:
As module-b depends on module-a, I can do this:
  (cd module-a && mvn install)
  (cd module-b && mvn compile)
If I don't install module-a, module-b will not build (the dependency).

This approach is not really good, as it involves so much command to
issue, also, the dependency management in Maven is completely
not used.

Approach II:
My another solution is using a tricks with profile. I declare the
the parent pom with en empty modules list:
<modules>
</modules>

If profile X is activated, module-a /module-b is added in the modules
list. With this particular profile, maven will only build module-a
and module-b.

I have come-up with this approach for a long time, however,
I need to define quite a lots of profile for various combination
of module set. As a result, I think this approach is
rather hackish...


After all, what maven promotes is better and consistent build management,
so I wonder if there is some better alternatives for this situation?

Sorry for this long mail, it is just hard to express my problem.

Thanks in advance!!


Zarick Lau

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