No, an amicable divorce is not an oxymoron only a difficulty. Give How to Have an Amicable Divorce a read.
Though your life together has ended, your ex will still affect your future. Consider sitting down to talk to your ex about what each of you wants from the future. Ask yourselves some of the following questions. Do you want to be friends? Is it okay if you each stay in contact with the other person’s family? How will visitation work if you have kids? How will you handle new relationships and telling the other person? If you discuss hard issues before they happen, you can pave the way for an amicable divorce.