WARNING!!! possible confusing dependencies found:
[com.datomic/datomic-free "0.9.4384"] -> [com.amazonaws/aws-java-sdk "1.6.6"] -> [commons-codec "1.3"]
 overrides
[ring/ring-jetty-adapter "1.1.1"] -> [ring/ring-core "1.1.1"] -> [commons-codec "1.6"]
 and
[ring/ring-devel "1.2.1"] -> [ring/ring-core "1.2.1"] -> [ring/ring-codec "1.0.0"] -> [commons-codec "1.6"]
 and
[ring/ring-jetty-adapter "1.1.1"] -> [ring/ring-servlet "1.1.1"] -> [ring/ring-core "1.1.1"] -> [commons-codec "1.6"]
 and
[compojure "1.1.6"] -> [ring/ring-core "1.2.1"] -> [ring/ring-codec "1.0.0"] -> [commons-codec "1.6"]

Aborting due to version ranges.