NoClassDefFoundError: org/eclipse/aether/spi/connector/Transfer$State

[fabiomor]

Hi everybody, i'm trying to run jetty on my Mac El Capitan, but i'm stuck on this error.

I attach main and child poms

Main pom

http://pastebin.com/10jsWunK

Child pom

http://pastebin.com/ayGHAip2

http://pastebin.com/q6SG3y3j

And here is my mvn clean install output:

http://pastebin.com/KiiHVc3q

I've read some other solutions, like manually adding aether libraries to maven but didn't work out.
Thanks