Hi,
Is there anyway to control or influence the reactor build order?
If the parent-as-dependent feature is intentional (and not a bug) then
perhaps the <parent> element could have an attribute or child element
that allowed you to specify whether you wished the parent to be built
first or last.
Of course, I am just thinking out loud because the work-around you
mentioned is not intuitive and more than a little messy. Certainly it
seemed that way when I explained it to others here.
Thanks for all your help Tim, I really could not see what I was doing
wrong and I now understand how to read Maven (logging output) a little
better. I am just hoping that the reactor build order is a bug and if
not then perhaps it can be influenced.
Cheers,
Evan.
Tim Kettler wrote:
Hi,
just did a quick test. The difference is, that wih the parent element
present, the build order of the projects change:
Without Parent:
[INFO] Scanning for projects...
[INFO] Reactor build order:
[INFO] Unnamed - my-test-group:suba:jar:1.0-SNAPSHOT
[INFO] Unnamed - my-test-group:subb:jar:1.0-SNAPSHOT
[INFO] Unnamed - my-test-group:parent:pom:1.0-SNAPSHOT
With Parent:
[INFO] Scanning for projects...
[INFO] Reactor build order:
[INFO] Unnamed - my-test-group:parent:pom:1.0-SNAPSHOT
[INFO] Unnamed - my-test-group:suba:jar:1.0-SNAPSHOT
[INFO] Unnamed - my-test-group:subb:jar:1.0-SNAPSHOT
It seems, the <parent/> relationship is handled like a dependency
between the projects and thus the parent is build before the childs.
I have no time now, but I will ask on the dev-list later today why
exactly it is handled this way.
For the time being, the proper way of handling this situation would be
to create a parent pom separate from the top-level pom. The childs
inherit from the parent and the assembly is build in the top-level pom:
.
|-- pom.xml <---- Top-Level building assembly
|-- src
| `-- main
| `-- assembly
| `-- developer-assembly.xml
|-- parent
| `-- pom.xml <---- Child inherit from this
|-- suba
| |-- pom.xml
| `-- src
| `-- main
| `-- java
| `-- TestClass.java
`-- subb
|-- pom.xml
`-- src
`-- main
`-- java
`-- TestClass.java
-Tim
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