[configuration] Surprising large dependency graph

[Boris Unckel <bo...@gmx.net>]

Hello,

I just wanted to have a look at the structure and the design of commons 
configuration. Most time I just
use eclipse, create a new project and download head from svn.

This time it was hard:
13 dependent libraries to get src and tests compile clean. I know I just 
could use maven (currently just
maven 2 is installed) to solve this dependencies.

Is there anywhere a documentation (a picture) which compile time 
dependencies are necessary for
commons projects? Is there any software architect who controls the 
dependencies to avoid circular dependencies,
just allow a tree of dependencies and avoid a net of dependencies?

Regards
Boris


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Re: [configuration] Surprising large dependency graph

[Oliver Heger <ol...@oliver-heger.de>]

Boris Unckel wrote:
> Hello,
> 
> I just wanted to have a look at the structure and the design of commons 
> configuration. Most time I just
> use eclipse, create a new project and download head from svn.
> 
> This time it was hard:
> 13 dependent libraries to get src and tests compile clean. I know I just 
> could use maven (currently just
> maven 2 is installed) to solve this dependencies.
> 
> Is there anywhere a documentation (a picture) which compile time 
> dependencies are necessary for
> commons projects? Is there any software architect who controls the 
> dependencies to avoid circular dependencies,
> just allow a tree of dependencies and avoid a net of dependencies?
> 
> Regards
> Boris
> 
Yes, Configuration needs a bunch of dependencies. Interestingly most of 
them are needed for testing, e.g. mock objects, JNDI, hsqldb. Some of 
the dependencies like xerces or xalan are only needed for JDK 1.3. On 
our dependencies page [1] we list, which runtime dependencies are need 
for which specific feature.

I am not aware of any supervising instance, which has an eye on the 
dependencies of commons components. On general@ there is currently a 
thread about this topic however.

Oliver

[1] http://jakarta.apache.org/commons/configuration/dependencies.html

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