Prematurely closed connection

Paul Carey paul.p.carey at gmail.com
Thu May 13 13:10:10 EDT 2010


Hi

I've come across a puzzling issue. The code segment below works as
expected, but if I replace :error => true with :error =>
invite.errors, nginx serves a 502 as per the log below. invite.errors
is normal hash.

I'm using a bundled merb 1.1 with Unicorn 0.99. Unicorn is a system
gem. I'm running nginx 0.7.65. I've only experienced this issue with
nginx / unicorn.
I'd be grateful for any thoughts or pointers.

Many thanks
Paul

== controller action, serving json
if invite.save
  display :ok => true
else
  Merb.logger.info "invite.errors #{invite.errors}"
  display :error => true
end

== nginx.log
2010/05/13 16:34:03 [error] 11448#0: *226 upstream prematurely closed
connection while reading response header from upstream, client:
78.147.1.152, server: _, request: "PUT
/invites/726a50c3400d2fa16c7ec9e29512ac2cb69b52c8 HTTP/1.1", upstream:
"http://unix:/var/apps/sd/tmp/unicorn.sock:/invites/726a50c3400d2fa16c7ec9e29512ac2cb69b52c8",
host: "ec2-174-129-71-76.compute-1.amazonaws.com", referrer:
"http://ec2-174-129-71-76.compute-1.amazonaws.com/events/djk5qipe87bas51z0qrgeukrr"

== unicorn.stderr.log
I, [2010-05-13T16:34:03.869423 #15332]  INFO -- : reaped
#<Process::Status: pid 15398 SIGSEGV (signal 11)> worker=15I,
[2010-05-13T16:34:03.890454 #15429]  INFO -- : worker=15 spawned
pid=15429
I, [2010-05-13T16:34:03.890669 #15429]  INFO -- : worker=15 readyI,
[2010-05-13T16:34:55.650233 #15332]  INFO -- : reloading
config_file=config/unicorn.rb
I, [2010-05-13T16:34:58.583076 #15332]  INFO -- : Refreshing Gem list


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