Issue #5659 has been reported by Vinicius Gati. ---------------------------------------- Bug #5659: bug releasing a gem created with rails 3.1 http://redmine.ruby-lang.org/issues/5659 Author: Vinicius Gati Status: Open Priority: Normal Assignee: Category: Target version: ruby -v: 1.9.3-head I made a rails engine using rails 3.1 the steps i follow was : i created the engine with rails new plugin test_rb_bug then i updated the gemspec then i created a git repo and pushed: https://github.com/viniciusgati/test_rb_bug after that i do a rake release and got the error: https://gist.github.com/1383444 obs: this gist contains the machos crash report to the gist is the error for the first gem when i found the error. and i reproduced the same now with a fresh engine... system: MacOS lion rails: 3.1.3 ruby: 1.9.3-head rvm: 1.8.6 rubygems 1.8.10 -- http://redmine.ruby-lang.org