The specific issue here is moving from Objects.toStringHelper to MoreObjects.toStringHelper. The latter class only exists in guava 18, so any release based on master will fail on class not found in many environments. While Objects.toStringHelper is deprecated, it isn't scheduled for removal until June 2016.
In the mean time, we have better solutions to address something as trivial as toString without breaking compatibility for all. For example, generating them (idea or auto-value), using Objects.toStringHelper for a longer period of time, or hell.. removing toString! All of those options are better for compatibility than forcing the latest version of guava on all users. --- Reply to this email directly or view it on GitHub: https://github.com/jclouds/jclouds-labs/pull/97#issuecomment-60277942
