Error with Rake

ruby-talk
1

I receive this error when running a rake command:

$ rake db:migrate
(in /Users/jeremy/rails/depot)
dyld: NSLinkModule() error
dyld: Library not loaded: /usr/local/mysql/lib/mysql/libmysqlclient.15.dylib
   Referenced from: /usr/local/lib/ruby/gems/1.8/gems/mysql-2.7/lib/mysql.bundle
   Reason: image not found
Trace/BPT trap

I'm working with the book "Agile Web Development with Rails" and even though it discusses many possible errors, none of them relate to this one. Also, my database.yml file seems to be correct so I don't think that's the problem.

2

Well I discovered the diagnoses but not the cure. My "libmysqlclient.
15.dylib" file is located in "/usr/local/mysql/lib" instead of "/usr/
local/mysql/lib/mysql". I opened up the "mysql.bundle" file in vi but
it was complete chaos. I could see where to make the change but it
didn't look safe to edit the file. What do I do?

···

On May 26, 2007, at 8:26 PM, Jeremy Heiler wrote:

I receive this error when running a rake command:

$ rake db:migrate
(in /Users/jeremy/rails/depot)
dyld: NSLinkModule() error
dyld: Library not loaded: /usr/local/mysql/lib/mysql/libmysqlclient.15.dylib
  Referenced from: /usr/local/lib/ruby/gems/1.8/gems/mysql-2.7/lib/mysql.bundle
  Reason: image not found
Trace/BPT trap

I'm working with the book "Agile Web Development with Rails" and even though it discusses many possible errors, none of them relate to this one. Also, my database.yml file seems to be correct so I don't think that's the problem.

3

Hi Jeremy (and all others experiencing the same problems),

I found the following solution to this problem:

Fire up the Terminal then type

cd /usr/local/mysql/lib
sudo mkdir mysql

Password: *************

cd mysql/
sudo ln -s ../libmysqlclient.15.0.0.dylib libmysqlclient.15.0.0.dylib
sudo ln -s ../libmysqlclient.15.0.0.dylib libmysqlclient.15.dylib
sudo ln -s ../libmysqlclient.15.0.0.dylib libmysqlclient.dylib

This will create some symbolic links from the expected location of these
files to the current location.

Inspired by
http://blog.calganx.net/2007/05/20/apache-2-php-5-und-mysql-5-fr-macos-x/

This seems to be related to a change in the directory structure of the
current mysql releases?! But I did not investigate any further.

greetings

    Sascha

···

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