Re: AW: POM inheritance...

Aleks:

On Tue, 2005-03-15 at 07:30, Vidakovic Aleksandar wrote:
> Mike,
> 
> as for my error: I fixed it... don't know how... probably a typo.

Ok

> 
> You are right with the location of the POM parent file; some jakarta projects (commons-xxx) use a 
> common project.xml which is ugly for building if you check out only one module. I was just 
> wondering if all the dependencies in the project.xml are necessary... I had the impression 
> that in some keel modules there are more dependencies than actually needed (didn't verify it!).

I believe that's true to some extent. We're still shuffling some
dependencies to try to make sure every module and every app have a
"minimal" set.

>  A common part for all projects is the "<build>" block... but this is maybe not enough for a common project.xml.

Actually, the build block is a bit different (or should be!) for app-*
projects, clnt-* and svc-* projects. Between those types it's pretty
much the same, but I don't think enough to warrant a common file.

> I'm sure that I didn't get entirely the idea behind "keel:maven"... 
> I understood that it modifies the dependencies in project.xml, but how does it know which dependencies I need?

It checks the POM for every dependency you list and checks for *its*
dependencies. E.g. if you include keel-common, and keel-common needs "a"
"b" and "c", then it will include "a", "b" and "c" for you. Basically
it's a transitive dependency-resolving tool, if that's the right term
:-)

So you only need to worry about the "top-level" depenencies - e.g. in
your project (not a service or app-* module), you might include
svc-persist-default, which has it's own list of dependencies - but you
only put in "svc-persist-default", then run keel:maven to take care of
the rest.

It also checks for version number conflicts and "flags" the dependency
with a conflict (with a <conflict> property).

Mike

> 
> Aleks
> 
> -----Ursprüngliche Nachricht-----
> Von: Michael Nash [mailto:[email protected]]
> Gesendet: Dienstag, 15. März 2005 12:57
> An: developers-6VIttnCrOeJXNEnpj1eHPNi2O/[email protected]
> Betreff: Re: [Keelgroup] POM inheritance...
> 
> 
> Aleks:
> 
> On Mon, 2005-03-14 at 17:43, Aleksandar Vidakovic wrote:
> > Salut all,
> > 
> > I was wondering why we don't use Maven's inheritance feature for POMs? I
> > know that I was asking this question some weeks ago and got an answer,
> > but don't find the message anymore... sorry for asking this twice ;-)
> 
> No problem - I suggested last time that there wasn't a good reason to do
> so - I don't (so far) see enough "overlap" in the POM files to make
> inheritance all that useful, and it does means that the "common" file
> must be in the right place or your build won't work. As it is now,
> projects can be anywhere on the filesystem.
> 
> Do you see a place where there's a lot of duplication in the POMS?
> 
> > 
> > And... I have some difficulties running "keel:maven". I get the
> > following error:
> > 
> >     [java] java.lang.NumberFormatException: multiple points
> >     [java]      at
> > sun.misc.FloatingDecimal.readJavaFormatString(FloatingDecimal.java:1084)
> >     [java]      at java.lang.Float.valueOf(Float.java:360)
> >     [java]      at java.lang.Float.<init>(Float.java:461)
> >     [java]      at
> > org.keel.tools.maven.KeelMavenTool.toNumber(KeelMavenTool.java:560)
> >     [java]      at
> > org.keel.tools.maven.KeelMavenTool.addIfNoConflict(KeelMavenTool.java:449)
> >     [java]      at
> > org.keel.tools.maven.KeelMavenTool.addDependencies(KeelMavenTool.java:405)
> >     [java]      at
> > org.keel.tools.maven.KeelMavenTool.run(KeelMavenTool.java:121)
> >     [java]      at
> > org.keel.tools.maven.KeelMavenTool.main(KeelMavenTool.java:88)
> > 
> > Thanks in advance...
> 
> Multiple points? Hmm - sounds like more than one decimal in something
> that's supposed to be a number. What project.xml are you running this
> on? Does it have an unusual version number in it perhaps?
> 
> Mike
> 
> > 
> > Aleks
> > 
> > http://keelframework.org/documentation.shtml
> > Keelgroup mailing list
> > [email protected]
> > http://lists.keelframework.com/listinfo.cgi/keelgroup-keelframework.com
> 
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