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MySQL server has gone away fix
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# 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/ | |
#Prevents Rails from loading multiple times. I could use a global variable too, but still... | |
if !$LOADED_FEATURES.include?(__FILE__) | |
if ActiveRecord::ConnectionAdapters.const_defined?(:MysqlAdapter) | |
module ActiveRecord::ConnectionAdapters | |
class MysqlAdapter | |
alias_method :execute_without_retry, :execute | |
def execute(*args) | |
execute_without_retry(*args) | |
rescue ActiveRecord::StatementInvalid => e | |
if e.message =~ /server has gone away/i | |
warn "Server timed out, retrying" | |
reconnect! | |
retry | |
else | |
raise e | |
end | |
end | |
end | |
end | |
elsif ActiveRecord::ConnectionAdapters.const_defined?(:Mysql2Adapter) | |
module ActiveRecord::ConnectionAdapters | |
class Mysql2Adapter | |
alias_method :execute_without_retry, :execute | |
def execute(*args) | |
execute_without_retry(*args) | |
rescue ActiveRecord::StatementInvalid => e | |
if e.message =~ /server has gone away/i | |
warn "Server timed out, retrying" | |
reconnect! | |
retry | |
else | |
raise e | |
end | |
end | |
end | |
end | |
end | |
end | |
#Prevents Rails from loading multiple times. I could use a global variable too, but still... | |
$LOADED_FEATURES << __FILE__ |
you probably mean "if not"
if ! $LOADED_FEATURES.include? __FILE__
Thanks a lot for this fix!
However
Line 13 should be
if !$LOADED_FEATURES.include?(__FILE__)
Already corrected. Thanks :)
I was actually talking about the missing ? question mark on include?
Ok, thanks again :) Corrected
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Thank you for the fixes!