On Wed, Jun 1, 2011 at 4:55 PM, Manuele Dones <[email protected]>wrote:

> Here again... the same problem ;-)
>
> I've done a project some weeks ago, using rails 3.0.7
>
> Today i've updated the gems by "gem update", and it installed new versions
> of some gems like "arel", "rack", "rake".
>
> Then I removed the old versions of the gem by "gem cleanup" and it deleted
> all the previous versions of them.
>
> My application didn't start, because some (version of) gems were missing.
>
> After running the command "build install" it installed the previous version
> of all the gems used by my application so now i've again 2 versions of arel,
> 2 versions or rack, rake etc etc.
>
> Is there a way to "update" my project to the newest versions of the gems? I
> mean, now my project seems to required an older versions of some gem, so is
> there a way to update it? I think this is important otherwise it's useless
> to update the gems if the proejcts still need and use the older versions..
>
> Is it clear? Thanks guys, see you.
>

Try bundle update.

http://jsbin.com/ihiqe4

B.




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