Posted by Balaji D Loganathan on September 8th, 2010

If you are facing the below error while installing Rails3 on Windows or Linux

C:\Users\username>gem install rails --pre
Successfully installed rails-3.0.0.rc2
1 gem installed
Installing ri documentation for rails-3.0.0.rc2...
File not found: lib

then simply create the “lib” directory at \lib\ruby\gems\1.8\gems\rails-3.0.0.rc2\ folder.
Thats it. It should work. Thanks to Stefan

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2 Responses to “Ruby(RoR) Tip7: Installing Rails3 : File not found: lib”

  1. jens says:
    June 17, 2011 at 5:49 AM

    Dude,

    Thanks..Works like a champ…

  2. Jovid says:
    December 29, 2011 at 2:43 AM

    I tried creating the “lib” folder, but every time I try running the rails install it overrides the folder and deletes the newly created “lib” folder. Any suggestions?

    RThanks!
    Jovid

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