Tenho uma aplicação que esta rodando com ruby 1.9.2 e rails 3.2.1, vira e mexe esta saindo do ar, vendo o arquivo de log ele apresenta o seguinte erro:
[ 2017-04-04 14:35:47.9253 15451/7f71197fb700 age/Cor/Con/InternalUtils.cpp:105 ]: [Client 23-133] Sending 502 response: application did not send a complete response
App 16062 stderr: [ 2017-04-04 14:35:47.9252 16085/0x000000042f6148(Worker 1) utils.rb:87 ]: *** Exception RuntimeError in Passenger RequestHandler's client socket (can't modify string; temporarily locked) (process 16085, thread 0x000000042f6148(Worker 1)):
App 16062 stderr: from /usr/local/rvm/gems/ruby-1.9.2-p330@decapametal/gems/passenger-5.0.26/src/ruby_supportlib/phusion_passenger/utils/unseekable_socket.rb:189:in `read'
App 16062 stderr: from /usr/local/rvm/gems/ruby-1.9.2-p330@decapametal/gems/passenger-5.0.26/src/ruby_supportlib/phusion_passenger/utils/unseekable_socket.rb:189:in `read'
App 16062 stderr: from /usr/local/rvm/gems/ruby-1.9.2-p330@decapametal/gems/passenger-5.0.26/src/ruby_supportlib/phusion_passenger/message_channel.rb:178:in `read_scalar'
App 16062 stderr: from /usr/local/rvm/gems/ruby-1.9.2-p330@decapametal/gems/passenger-5.0.26/src/ruby_supportlib/phusion_passenger/request_handler/thread_handler.rb:220:in `parse_session_request'
App 16062 stderr: from /usr/local/rvm/gems/ruby-1.9.2-p330@decapametal/gems/passenger-5.0.26/src/ruby_supportlib/phusion_passenger/request_handler/thread_handler.rb:146:in `accept_and_process_next_request'
App 16062 stderr: from /usr/local/rvm/gems/ruby-1.9.2-p330@decapametal/gems/passenger-5.0.26/src/ruby_supportlib/phusion_passenger/request_handler/thread_handler.rb:113:in `main_loop'
App 16062 stderr: from /usr/local/rvm/gems/ruby-1.9.2-p330@decapametal/gems/passenger-5.0.26/src/ruby_supportlib/phusion_passenger/request_handler.rb:416:in `block (3 levels) in start_threads'
App 16062 stderr: from /usr/local/rvm/gems/ruby-1.9.2-p330@decapametal/gems/passenger-5.0.26/src/ruby_supportlib/phusion_passenger/utils.rb:113:in `block in create_thread_and_abort_on_exception'
Desde já obrigado pela ajuda.