Re: Only one POM with dependencyManagement for entire company

2014-11-19 Thread tibor17
Hi Anders, thx for your hint.
Just only a remark that i am not using jBoss poms because i am trying to be
independent in java code.
Instead i am using javax:javaee-api:7.0 which works very well + other
artifacts with scope: provided.



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Re: Only one POM with dependencyManagement for entire company

2014-11-18 Thread Paul Benedict
My strategy is for the corporate POM to contain the fundamental settings
like locking down maven plugins and any global legal stuff. Then each
department should come up with their own POM under that, then the same for
each project.


Cheers,
Paul

On Tue, Nov 18, 2014 at 12:26 PM, tibor17 tibo...@lycos.com wrote:

 Hi All,

 I would like to get your help. I am still trying to explain that very large
 commercial company (don't mean ASF) should not have one hotspot POM with
 only one dependencyManagement (DM). One DM is too weak rule, i would say.

 My arguments are that one DM section will not fit to the needs of 4
 departments having many applications in each and much more Maven modules in
 each app. They want to override a dependency versions in each leaf in
 dependency section. I am calling this strategy an evil because it would
 stick to the dependencies forever and it would be very hard to change
 dependencies in all applications at once.

 Would you mind to explain the strategies for creating a successful
 corporative hierarchy of POMs?

 My proposal was to build a dependency tree between departments, which is
 very easy. Currently there are only two levels in the hierarchy. So I did
 this way and created BOM files with dependencyMgmt for internal and
 external
 artifacts in each level. Those artifacts are not duplicated in the first
 and
 second level.
 Is it good or wrong?



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Re: Only one POM with dependencyManagement for entire company

2014-11-18 Thread tibor17
Thx Paull
This I am basically trying to explain them as well. They are newbies and the
funny thing is that they are ignoring us. My proposal was to serve a contact
of Maven PMC experts so that they would pay for new environment, build
process, POM structures, and CI systems setup but again with no interest. :(



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Re: Only one POM with dependencyManagement for entire company

2014-11-18 Thread Anders Hammar
 This I am basically trying to explain them as well. They are newbies and
 the
 funny thing is that they are ignoring us. My proposal was to serve a
 contact
 of Maven PMC experts so that they would pay for new environment, build
 process, POM structures, and CI systems setup but again with no interest.
 :(


Well, reality will hit them sooner or later. Unfortunately, they will by
then have created several anti-patterns which will take time to undo.

To add to Paul's statement, I never add depMgmt to any kind of parent POM
but pure project/product parent POM. BOMs are the way to go IMHO, as they
will give the flexibility to change without having to release a new parent
POM as well as allowing different projects to use different platforms (or
whatever the BOM handle). JBoss EAP even provides their own BOMs which you
could use as-is. For several customers using other (not-so-Maven-friendly)
app servers I've created similar BOMs.

/Anders




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Re: Only one POM with dependencyManagement for entire company

2014-11-18 Thread Paul Benedict
After I wrote my response, I realized that I neglected the whole dependency
management aspect. +1 with Anders. I am with him. There is no need to lock
down dependencies in any corporate/division POM. Those are product concerns
which are appropriate to use dependency management. Oh and I use BOMs too
:-)


Cheers,
Paul

On Tue, Nov 18, 2014 at 1:04 PM, Anders Hammar and...@hammar.net wrote:

  This I am basically trying to explain them as well. They are newbies and
  the
  funny thing is that they are ignoring us. My proposal was to serve a
  contact
  of Maven PMC experts so that they would pay for new environment, build
  process, POM structures, and CI systems setup but again with no interest.
  :(
 

 Well, reality will hit them sooner or later. Unfortunately, they will by
 then have created several anti-patterns which will take time to undo.

 To add to Paul's statement, I never add depMgmt to any kind of parent POM
 but pure project/product parent POM. BOMs are the way to go IMHO, as they
 will give the flexibility to change without having to release a new parent
 POM as well as allowing different projects to use different platforms (or
 whatever the BOM handle). JBoss EAP even provides their own BOMs which you
 could use as-is. For several customers using other (not-so-Maven-friendly)
 app servers I've created similar BOMs.

 /Anders

 
 
 
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