We started out with a "Yes".
As the number of modules grew to over 70 and the reasons for new
releases got more functionally oriented, we went to "No".
Philosophically, we looked at our use of Apache libraries (and other
third party libraries) and reasoned since we were very comfortable using
third party libraries with version numbers that were different than our
release, why should we be hung up on changing the version on something
that did not change.
We also moved to SOA as a major architectural foundation so changes to
the database and the API for the basic objects started to have less
impact on the presentation and business layer since the services
isolated the impact of low level changes to only those modules that need
to deal with the updated data elements.
We went high-tech to manage the versions.
A spreadsheet listing the modules down the rows and the version of the
module that is used in each of the releases in the column for each
release.;-)
We have a team planning session at the start of each release to identify
which modules will change.
The definite need to look at each module in this initial stage as a
team, also helps understand estimates and timelines a bit better.
We are mostly right at the start but sometimes we get a surprise during
development and have to update the spreadsheet.
Saves hours of useless work and sometimes makes debugging a bit easier
since you have a clearer idea about what module changed, when and why
just by looking at the spreadsheet.
Downside: A bit messy looking in deployment.
We use Subversion and Eclipse STS so branching and tagging is available.
Ron
On 24/05/2012 8:39 AM, DK wrote:
Hi,
New to Maven and have a couple of questions around versioning.
Should all projects within a multi-module project have the same version?
Should all projects related to each other keep the same version number?
Any best practices on changing version numbers?
Thanks
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