Problems with pg 0.13.0 gem

Johann Aman

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Feb 11, 2012, 8:09:00 AM2/11/12

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after updating pg gem to 0.13.0 got following error on production
server (rails 3.2.1 + unicorn): "Use of uninitialized PG::Connection.
(fatal)", here is some trace from unicorn_error.log:

/srv/site/shared/bundle/ruby/1.9/gems/activerecord-3.2.1/lib/
active_record/connection_adapters/postgresql_adapter.rb:355:in
`finish': Use of uninitialized PG::Connection. (fatal)
from /srv/site/shared/bundle/ruby/1.9/gems/activerecord-3.2.1/lib/
active_record/connection_adapters/postgresql_adapter.rb:355:in
`disconnect!'
from /srv/site/shared/config/unicorn.rb:26:in `block in reload'
from /srv/site/shared/bundle/ruby/1.9/gems/unicorn-4.2.0/lib/unicorn/
http_server.rb:482:in `call'
from /srv/site/shared/bundle/ruby/1.9/gems/unicorn-4.2.0/lib/unicorn/
http_server.rb:482:in `spawn_missing_workers'
from /srv/site/shared/bundle/ruby/1.9/gems/unicorn-4.2.0/lib/unicorn/
http_server.rb:137:in `start'
from /srv/site/shared/bundle/ruby/1.9/gems/unicorn-4.2.0/bin/
unicorn_rails:209:in `<top (required)>'
from /srv/site/shared/bundle/ruby/1.9/bin/unicorn_rails:19:in `load'
from /srv/site/shared/bundle/ruby/1.9/bin/unicorn_rails:19:in
`<main>'
/srv/site/shared/bundle/ruby/1.9/gems/activerecord-3.2.1/lib/
active_record/connection_adapters/postgresql_adapter.rb:355:in
`finish': Use of uninitialized PG::Connection. (fatal)
from /srv/site/shared/bundle/ruby/1.9/gems/activerecord-3.2.1/lib/
active_record/connection_adapters/postgresql_adapter.rb:355:in
`disconnect!'
from /srv/site/shared/bundle/ruby/1.9/gems/activerecord-3.2.1/lib/
active_record/connection_adapters/abstract/connection_pool.rb:134:in
`block (2 levels) in disconnect!'
from /srv/site/shared/bundle/ruby/1.9/gems/activerecord-3.2.1/lib/
active_record/connection_adapters/abstract/connection_pool.rb:132:in
`each'
from /srv/site/shared/bundle/ruby/1.9/gems/activerecord-3.2.1/lib/
active_record/connection_adapters/abstract/connection_pool.rb:132:in
`block in disconnect!'
from /usr/local/lib/ruby/1.9/monitor.rb:211:in `mon_synchronize'
from /srv/site/shared/bundle/ruby/1.9/gems/activerecord-3.2.1/lib/
active_record/connection_adapters/abstract/connection_pool.rb:130:in
`disconnect!'
from /srv/site/shared/bundle/ruby/1.9/gems/activerecord-3.2.1/lib/
active_record/connection_adapters/abstract/connection_pool.rb:394:in
`remove_connection'
from /srv/site/shared/bundle/ruby/1.9/gems/activerecord-3.2.1/lib/
active_record/connection_adapters/abstract/connection_specification.rb:
177:in `remove_connection'
from /srv/site/shared/bundle/ruby/1.9/gems/activerecord-3.2.1/lib/
active_record/connection_adapters/abstract/connection_specification.rb:
133:in `establish_connection'
from /srv/site/shared/config/unicorn.rb:39:in `block in reload'
from /srv/site/shared/bundle/ruby/1.9/gems/unicorn-4.2.0/lib/unicorn/
http_server.rb:563:in `call'
from /srv/site/shared/bundle/ruby/1.9/gems/unicorn-4.2.0/lib/unicorn/
http_server.rb:563:in `init_worker_process'
from /srv/site/shared/bundle/ruby/1.9/gems/unicorn-4.2.0/lib/unicorn/
http_server.rb:587:in `worker_loop'
from /srv/site/shared/bundle/ruby/1.9/gems/unicorn-4.2.0/lib/unicorn/
http_server.rb:487:in `spawn_missing_workers'
from /srv/site/shared/bundle/ruby/1.9/gems/unicorn-4.2.0/lib/unicorn/
http_server.rb:137:in `start'
from /srv/site/shared/bundle/ruby/1.9/gems/unicorn-4.2.0/bin/
unicorn_rails:209:in `<top (required)>'
from /srv/site/shared/bundle/ruby/1.9/bin/unicorn_rails:19:in `load'
from /srv/site/shared/bundle/ruby/1.9/bin/unicorn_rails:19:in
`<main>'

no code from pg gem present in the trace
had to rollback to pg 0.12.2

has anyone used 0.13.0 successfully?

kennyj

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Feb 11, 2012, 11:09:24 AM2/11/12

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Hi! Johann Aman

I can reproduce this issue.

Do you confirm the following commit ?
https://github.com/kennyj/rails/commit/b40b7f459e3ea66f824ac4791d8882775b4f6717

kennyj

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Feb 13, 2012, 8:58:10 AM2/13/12

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Dear, Johann Aman

pg gem 0.13.1 was released. And, the bahavior was changed.
You can use it !

Please see also https://github.com/rails/rails/pull/5002 .

On 2月12日, 午前1:09, kennyj <ken...@gmail.com> wrote:
> Hi! Johann Aman
>
> I can reproduce this issue.
>

> Do you confirm the following commit ?https://github.com/kennyj/rails/commit/b40b7f459e3ea66f824ac4791d8882...

Johann Aman

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Feb 14, 2012, 5:27:06 AM2/14/12

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thank you, kennyj, I already installed it:)

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