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Transitive dependency means that if A depends on B and B depends on C, then A depends on both B and C. Sometimes, transitivity brings a very serious problem when different versions of the same artifacts are included by different dependencies. It may cause version mismatch issues in runtime.
Run "mvn -X" command.
With eclipse, you should try to edit the pom. There's a special tab named "Dependencies". From there, you should see your parent dependencies + you could consider choosing what version of dependency you want to keep.
On the CLI, use mvn dependency:tree
(Here are some additional Usage notes)
When running dependency:tree on multi-module maven project, use mvn compile dependency:tree instead1.
Otherwise, the POM Editor in M2Eclipse (Maven integration for Eclipse) is very good, and it includes a hierarchical dependency view.
1If you don't compile, you might get error Failed to execute goal on project baseproject: Could not resolve dependencies for project com.company:childproject:jar:1.0.0: Could not find artifact. This might happen because dependency:tree command doesn't build projects and doesn't resolve dependencies, and your projects are not installed in maven repository.
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