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copied!<p>OK, let's see if we can get your config straightened out.</p> <p>You're using RVM, and a current rev of Ruby, so gather even more info about your RVM environment. Type <code>rvm info</code> and add that output to your original question by editing it. That will tell us more about what RVM knows.</p> <p>Here's some questions:</p> <ol> <li>Did you previously have Leopard installed, with RVM, then switch to Snow Leopard? If so, your Ruby would be compiled for 32-bit, but any native drivers compiled since then would be 64-bit which can cause real weird behavior. Fixing that takes a couple commands and some recompiling but it isn't overly painful.</li> <li>Did you install Apple's XCode from the Snow Leopard DVD, or as a fresh install directly from <a href="http://developer.apple.com/xcode/" rel="nofollow noreferrer">Apple's XCode site</a>? The version of XCode on the Snow Leopard was buggy and shouldn't be used. You can download a free copy from Apple's site. It's a big download.</li> <li>Is your RVM current? Periodically run <code>rvm get update</code>. That might not help this particular problem, but it can fix some oddities. Use <code>rvm -v</code> to check the version. v1.5.2 is current as of today.</li> </ol> <p>Some of the info at <a href="https://stackoverflow.com/questions/3000819/sqlite3-ruby-cant-make-on-rvm-1-8-7/3009142#3009142">sqlite3-ruby can't make on rvm 1.8.7</a> might help.</p> <hr> <p>EDIT:</p> <p>A couple things stand out from your <code>rvm info</code>:</p> <ul> <li>Your version of Ruby 1.9.2 is p188. p180 is the current stable version if I remember right, at least it is according to what RVM knows: <code>rvm list known</code> shows its list. That might cause problems with drivers that haven't been tested together. You might want to consider installing the current "1.9.2". RVM has a nice <code>upgrade</code> command that will let you install and copy your gems between versions of Ruby, so try <code>rvm upgrade 1.9.2-p188 1.9.2-p180</code>, then try running your app and see if SQLite is still being uncooperative.</li> <li>Your version of Ruby 1.9.2-p188 is compiled as 32-bit. Your <code>rvm info</code> shows "<code>i386-apple-darwin10.0</code>" in several places. A 64-bit Ruby would show: "<code>x86_64-darwin10.6.0</code>". You can easily recompile a Ruby version by telling RVM to <code>uninstall</code> it, then <code>install</code> it again, i.e. <code>rvm uninstall 1.9.2p188 && rvm install 1.9.2p188</code> should do it. Then you'll need to rebuild your gems that have native drivers: <code>gem pristine --all</code> will rebuild all installed gems.</li> </ul>

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