I have two Java projects managed with different dependency/delivery tools and want to know the differences of the required dependencies.

I am using Linux (CentOS) in a VM but a Windows solution can be acceptable.

The first project which is the original is based on Ant scripting and the dependencies are hardcoded somewhere there, all the needed libraries in a lib folder, and then a build.properties have a mapping alias=name-version.jar

The second project is a maven project based on the first one but we added and updated some dependencies.

My goal is to find a tool (if it exists) to make a report thats say something similar to this:

Project 2 - new dependencies:

  • Joda Time version 2.1
  • Google GSON version 3.2
  • Apache CXF 2.5
  • DWR version 3.2-beta

Project 2 - updated dependencies:

  • Apache commons lang from 1.2 to 1.6
  • Apache Commons IO from 2.1 to 2.4
  • slf4j From 2.4 to 2.6

Project 2 - removed dependencies

  • Log4j version 1.2
  • Castor version 2.1

Note: the version are not reflecting the reality, it is just to show an example.


Since nobody has recommended such a tool (in 3 months), I'm going to suggest an alternative approach using existing tools.

Step 1: extract the dependencies.

  • for the Any project, either ls the lib directory, or write a simple script to extract the list from the build.properties file.

  • for the Maven project, you can extract the list from the output of mvn dependency:list. (See this blog posting for an example.)

Step 2: sort the lists

Step 3: use the diff command to see the differences.

| improve this answer | |
  • Let me add this package: tattletale.jboss.org -- it will look into every jar in your lib directory for detailed information. – Bob Dalgleish Aug 17 '14 at 11:54
  • Thanks, finally it was the 'manual' solution I applied. Thanks also to Linux bash utils which are quite more useful than the ones under Windows. (Sed and Awk are so powerful) – рüффп Nov 27 '15 at 23:22

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