deploying maven generated .jars

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hi,
my projects is being build via maven.
i got 2 projects with different groupId but same artifactId,
for example:
project A: groupId:com.project, artifactId:common
project B: groupId:com.legacy, artifactId:common

when i want to deploy to gsc i need to copy the two .jars but there's conflict, they both named common-1.0.jar.

is there a way to deploy it without rename the artifactId?
maybe folder hirarchy?

thanks in advance,
Avi.

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