Added better error message for "packets out of order" #1630 [courtenay]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@1774 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activerecord/CHANGELOG

@@ -1,5 +1,7 @@
 *SVN*
 
+* Added better error message for "packets out of order" #1630 [courtenay]
+
 * Fixed first run of "rake migrate" on PostgreSQL by not expecting a return value on the id #1640
 
 

activerecord/lib/active_record/connection_adapters/mysql_adapter.rb

@@ -129,6 +129,8 @@ module ActiveRecord
             @logger.info "Retrying invalid statement with reopened connection"
             log(sql, name) { @connection.query(sql) }
           end
+        elsif exception.message.split(":").first =~ /Packets out of order/
+          raise ActiveRecord::StatementInvalid, "'Packets out of order' error was received from the database. Please update your mysql bindings (gem update mysql) and read http://dev.mysql.com/doc/mysql/en/password-hashing.html for more information."
         else
           raise
         end