How to handle major framework/dependency upgrades?

Posted by APSampson on Stack Overflow See other posts from Stack Overflow or by APSampson
Published on 2010-03-09T00:58:05Z Indexed on 2010/03/09 1:06 UTC
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Filed under:

java

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dependency-management

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upgrade

Looking for some best practices on handling a major dependency upgrades within a project, assuming the use of a dependency management tool(e.g., Maven 2).

Specifically, I'm interested in:

How get an inherited application up-to-date(e.g., Spring 1.2.x to 2.5.x)
What practices can be put into place to after such an overhaul to keep applications somewhat up-to-date

Your own experiences or any articles/papers you've come across/found to be useful are welcome.

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