In the morning, i was writing a automation sql script for QA. And after move the source file from mac mini to my machine. It met such warning as i tried to run the file.

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Invalid gemspec in [/Users/twer/.rvm/gems/ree-1.8.7-2011.03@development/specifications/childprocess-0.2.1.gemspec]: invalid date format in specification: "2011-08-11 00:00:00.000000000Z"

It’s ok because it’s just warning. But i am just a little bit agnoied by the message. So i decided to kill this warning message. After search in google, i found the answer.

And the steps should be:

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/Users/twer/.rvm/gems/ree-1.8.7-2011.03@develoment/specifications/childprocess-0.2.1.gemspec

• Find the spec that is causing the problem, search it in vi with string “2011” and i found that line.
• Change s.date = %q{2011-08-11 00:00:00.000000000Z} to s.date = %q{2011-08-11}

Cool, done, no more bothering information.