added connection fix initializer, helps long running resque workers not fail

This commit is contained in:
jcredding 2012-06-11 15:06:17 -05:00
parent b5fdacd153
commit 294dfe15ca

View file

@ -1,11 +1,26 @@
# from http://gist.github.com/238999
#
# If your workers are inactive for a long period of time, they'll lose
# their MySQL connection.
#
# This hack ensures we re-connect whenever a connection is
# lost. Because, really. why not?
#
# Stick this in RAILS_ROOT/config/initializers/connection_fix.rb (or somewhere similar)
#
# From:
# http://coderrr.wordpress.com/2009/01/08/activerecord-threading-issues-and-resolutions/
if defined?(ActiveRecord::ConnectionAdapters::Mysql2Adapter)
module ActiveRecord::ConnectionAdapters
class Mysql2Adapter
alias_method :execute_without_retry, :execute
def execute(*args)
execute_without_retry(*args)
rescue Mysql2::Error => e
rescue ActiveRecord::StatementInvalid => e
if e.message =~ /server has gone away/i
warn "Server timed out, retrying"
reconnect!
@ -15,5 +30,7 @@ if defined?(ActiveRecord::ConnectionAdapters::Mysql2Adapter)
end
end
end
end
end