http://blog.wolfman.com/articles/2006/6/3/metaweblog-api-in-typo-fails-on-some-posts A programmers Blog about Ruby, Rails and a few other issue en-us 40 <p>I was using a ruby script to post my blogs from the command line, and it used the xmlrpc/client which would occasionally fail with this error...</p> <pre><code>/usr/local/lib/ruby/1.8/xmlrpc/client.rb:546:in `do_rpc': HTTP-Error: 500 Internal Server Error (RuntimeError) from /usr/local/lib/ruby/1.8/xmlrpc/client.rb:420:in `call2' from /usr/local/lib/ruby/1.8/xmlrpc/client.rb:410:in `call' from send2blog.rb:103 </code></pre> <p>This was annoying, so I did some sleuthing and it turns out there were various apparently unrelated bugs posted about this in the typo trac, and in rails. I noticed it seemed to be fixed in Rails edge so I found the patch and applied it locally to my typo's version of rails, and now I can post all my blogs from the command line again.</p> <p>The problem was with posts containing <code>&amp;&amp;</code> or <code>&lt;&lt;</code> etc which seeing as I was posting a lot of ruby code most of my blogs had.</p> <ul> <li>The relevant <a href="http://technorati.com/tag/typo" rel="tag">Typo</a> ticket is <a href="http://www.typosphere.org/trac/ticket/538">#538</a></li> <li>The relevant rails ticket is <a href="http://dev.rubyonrails.org/ticket/4955">#4955</a></li> </ul> <p>The fix is a one line addition to vendor/rails/actionpack/lib/action_controller/cgi_ext/cgi_methods.rb on line 48 the patch is...</p> <pre><code>Index: actionpack/lib/action_controller/cgi_ext/cgi_methods.rb =================================================================== --- actionpack/lib/action_controller/cgi_ext/cgi_methods.rb (revision 4324) +++ actionpack/lib/action_controller/cgi_ext/cgi_methods.rb (working copy) @@ -45,6 +45,7 @@ parsed_params = {} for key, value in params + next if key.nil? value = [value] if key =~ /.*[]$/ unless key.include?('[') # much faster to test for the most common case first (GET) </code></pre> <p>This seems to work for rails versions >= 1.0, although it is already patched in edge rails.</p> Jim Morris Sat, 03 Jun 2006 23:32:02 -0700 http://blog.wolfman.com/articles/2006/6/3/metaweblog-api-in-typo-fails-on-some-posts urn:uuid:40802b201ac322b4167e3c9fc7259b6a Update, even with the latest typo edge, rails still needs to be patched, but it seems they are not on edge rails either. Tue, 12 Sep 2006 23:21:29 -0700 http://blog.wolfman.com/posts/5#comment-25 urn:uuid:fd71aa74-6a4f-4560-9244-9f29e3897c60