When building UPS from soruces with mvn install, it randomly fails on bower installation.

This is show stopper since having ups which is buildable only randomly is not acceptable. This issue was firstly occured in Jenkins CI build, from linked issues, it is known to behave the same way at Travis and Karel Piwko has encountered the same issue on his localhost.

Exceprt from build process related to this issue:

https://gist.github.com/smiklosovic/c991b74ea0756a14ef7a

Related issues with the same error + discussion:

https://github.com/bower/bower/issues/1019
https://github.com/bower/bower/issues/933