This jar don't exist in any remote repositories but you want to use it in your project right ?
You can use local jar in dependency but it's not a best practice since that you have to create a remote repository for this jar. If you still want to do it :
I don't understand your problem, if you create a maven goal "deploy" that copy in your tomcat instance you can just modify the same goal to also copy in your other instance.
Where have you create the deploy goal in the maven.xml ?