Forum: Ruby on Rails Newbie and MySQL

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Dbbbf3f21855688362c92825117f5810?d=identicon&s=25 Bryce (Guest)
on 2006-02-08 18:39
Please forgive me if this has been answered in another post. I've looked
around but couldn't find a solution.

I bought the book "Agile Web Development with Rails" and think I'm going
to really like it. I went through the first chapter with no problems.
However, as I begin developing the database on page 57, I get a
consitent error:

Before updating scaffolding from new DB schema, try creating a table for
your model (Products)

I've changed all the parameters in the database.yml file 100 times
including the username, password, socket and taking the underscore out
of the databases it is connecting to.

My error logs read:

[4;36;1mProducts Columns (0.000000)^[[0m   ^[[0;1mMysql::Error: Lost
connection to MySQL server during query: SHOW FIELDS FROM products^[[0m

I tried to do: gem install mysql
but it eventually errored and failed.

I'm running a box with FC 4, Mysql 4.1 and Ruby 1.0
Any help would be greatly appreciated, I'm not even sure where to start.

Bryce
Cd73093d4e6631d38677aa455ca3a7a3?d=identicon&s=25 Bil Herron (Guest)
on 2006-02-08 23:04
(Received via mailing list)
I had this problem too. This worked for me, from the Rails Wiki.

The install process may be looking for mysql in the wrong place, so make
a symbolic link:

ln -s /usr/lib/mysql /usr/local/lib/mysql



http://wiki.rubyonrails.org/rails/pages/MySQL+Data...
Dbbbf3f21855688362c92825117f5810?d=identicon&s=25 Bryce (Guest)
on 2006-02-08 23:33
Bil Herron wrote:
> The install process may be looking for mysql in the wrong place, so make
> a symbolic link:
>
> ln -s /usr/lib/mysql /usr/local/lib/mysql

Thanks a ton Bil. This problem drove me nuts for a good day or so. What
finally worked was this:

 ln -s /usr/lib/mysql /usr/local/lib/mysql
gem mysql install

after that there were no errors. I really appreciate your help.
Bryce
42292bf8a0acbc98862d9306b501275d?d=identicon&s=25 Daniel Waite (rabbitcreative)
on 2006-02-08 23:56
(Received via mailing list)
This still doesn't work for me. I get the ...

*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of
necessary libraries and/or headers.  Check the mkmf.log file for more
details.  You may need configuration options.

So I run...

ruby extconf.rb --with-mysql-dir=/var/lib/mysql/

(With many other directories for the actual dir path.) But still no go.

What the hell? :)

- Rabbit

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