Rails 3 Gemfile 包含 pg gem 导致服务器崩溃
我的应用程序将 https 发布到 PayPal。在 Gemfile 中指定 pg gem 的情况下，post 操作会导致 WEBBrick 崩溃。如果我从 Gemfile 中取出 pg gem，那么崩溃就不会发生，我的帖子也会正常。 （花了很长时间才弄清楚这就是导致它的原因，但它是 100% 可重复的。）
更有趣的是，如果我从 Gemfile 中取出 pg gem 但保留它的安装状态，一切都会正常。当我把它放回 Gemfile 时，崩溃再次发生。
那么有两个问题：a）有人见过这个吗？ b) Gemfile 正在做什么导致崩溃，即使 pg gem 的存在并不会导致崩溃？
执行该帖子的代码如下所示（直接来自 PayPal SDK）：
# def pay
path = "/nvp/"
data = "...."
server = "api-3t.sandbox.paypal.com"
port = 443
header = {"Content-Type" => "html/text"}
http = Net::HTTP.new(server, port)
http.use_ssl = true
http.verify_mode = OpenSSL::SSL::VERIFY_NONE
resp = http.post2(path, data, header)
@code = resp.code
end
这是崩溃发生时的输出：
-- Ruby level backtrace information ---------------------------------------- /Users/aehven/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/webrick/server.rb:183:in `block in start_thread' /Users/aehven/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/webrick/httpserver.rb:70:in `run' /Users/aehven/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/webrick/httpserver.rb:111:in `service' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/rack-1.2.1/lib/rack/handler/webrick.rb:52:in `service' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/rack-1.2.1/lib/rack/content_length.rb:13:in `call' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/railties-3.0.3/lib/rails/rack/log_tailer.rb:14:in `call' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/railties-3.0.3/lib/rails/application.rb:77:in `method_missing' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/railties-3.0.3/lib/rails/application.rb:168:in `call' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_dispatch/middleware/static.rb:30:in `call' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/rack-1.2.1/lib/rack/lock.rb:11:in `call' :10:in `synchronize' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/rack-1.2.1/lib/rack/lock.rb:11:in `block in call' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/activesupport-3.0.3/lib/active_support/cache/strategy/local_cache.rb:72:in `call' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/rack-1.2.1/lib/rack/runtime.rb:17:in `call' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/railties-3.0.3/lib/rails/rack/logger.rb:13:in `call' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_dispatch/middleware/show_exceptions.rb:46:in `call' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_dispatch/middleware/remote_ip.rb:48:in `call' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/rack-1.2.1/lib/rack/sendfile.rb:107:in `call' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_dispatch/middleware/callbacks.rb:44:in `call' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/activesupport-3.0.3/lib/active_support/callbacks.rb:415:in `_run_call_callbacks' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_dispatch/middleware/callbacks.rb:46:in `block in call' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/activerecord-3.0.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:353:in `call' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/activerecord-3.0.3/lib/active_record/query_cache.rb:31:in `call' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/activerecord-3.0.3/lib/active_record/query_cache.rb:12:in `cache' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/activerecord-3.0.3/lib/active_record/connection_adapters/abstract/query_cache.rb:28:in `cache' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/activerecord-3.0.3/lib/active_record/query_cache.rb:32:in `block in call' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_dispatch/middleware/cookies.rb:295:in `call' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_dispatch/middleware/session/abstract_store.rb:149:in `call' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_dispatch/middleware/flash.rb:182:in `call' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_dispatch/middleware/params_parser.rb:21:in `call' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/rack-1.2.1/lib/rack/methodoverride.rb:24:in `call' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_dispatch/middleware/head.rb:14:in `call' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_dispatch/middleware/best_standards_support.rb:17:in `call' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_dispatch/routing/route_set.rb:492:in `call' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/rack-mount-0.6.13/lib/rack/mount/route_set.rb:139:in `call' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/rack-mount-0.6.13/lib/rack/mount/code_generation.rb:92:in `recognize' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/rack-mount-0.6.13/lib/rack/mount/code_generation.rb:68:in `optimized_each' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/rack-mount-0.6.13/lib/rack/mount/code_generation.rb:93:in `block in recognize' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/rack-mount-0.6.13/lib/rack/mount/route_set.rb:148:in `block in call' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_dispatch/routing/route_set.rb:27:in `call' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_dispatch/routing/route_set.rb:62:in `dispatch' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_dispatch/routing/route_set.rb:62:in `call' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_controller/metal.rb:178:in `block in action' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_controller/metal/rack_delegation.rb:14:in `dispatch' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_controller/metal.rb:138:in `dispatch' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/abstract_controller/rendering.rb:40:in `process' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/abstract_controller/base.rb:120:in `process' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_controller/metal/rescue.rb:17:in `process_action' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_controller/metal/instrumentation.rb:29:in `process_action' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/activesupport-3.0.3/lib/active_support/notifications.rb:52:in `instrument' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/activesupport-3.0.3/lib/active_support/notifications/instrumenter.rb:21:in `instrument' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/activesupport-3.0.3/lib/active_support/notifications.rb:52:in `block in instrument' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_controller/metal/instrumentation.rb:30:in `block in process_action' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/abstract_controller/callbacks.rb:17:in `process_action' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/activesupport-3.0.3/lib/active_support/callbacks.rb:93:in `run_callbacks' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/activesupport-3.0.3/lib/active_support/callbacks.rb:409:in `_run_process_action_callbacks' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/activesupport-3.0.3/lib/active_support/callbacks.rb:435:in `_run__1503509404736522407__process_action__285881469255263509__callbacks' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/abstract_controller/callbacks.rb:18:in `block in process_action' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_controller/metal/rendering.rb:11:in `process_action' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/abstract_controller/base.rb:151:in `process_action' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_controller/metal/implicit_render.rb:4:in `send_action' /Users/aehven/Work/Projects/Pico-Tesla/Workspace/trunk/app/controllers/payments_controller.rb:54:in `do_DCC' /Users/aehven/Work/Projects/Pico-Tesla/Workspace/trunk/vendor/plugins/PayPalSDK/lib/caller.rb:70:in `call' /Users/aehven/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/net/http.rb:978:in `post' /Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/rest-client-1.6.1/lib/restclient/net_http_ext.rb:17:in `request' /Users/aehven/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/net/http.rb:1168:in `request' /Users/aehven/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/net/http.rb:626:in `start' /Users/aehven/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/net/http.rb:637:in `do_start' /Users/aehven/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/net/http.rb:678:in `connect' /Users/aehven/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/timeout.rb:87:in `timeout' /Users/aehven/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/timeout.rb:44:in `timeout' /Users/aehven/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/net/http.rb:678:in `block in connect' /Users/aehven/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/net/http.rb:678:in `connect' -
My application makes https posts to PayPal. With the pg gem specified in the Gemfile, the post operation causes WEBBrick to crash. If I take the pg gem out of the Gemfile, then the crash doesn't happen and my post goes OK. (It took forever to figure out that this is what was causing it, but it is repeatable 100%.)
Even more interesting, if I take the pg gem out of the Gemfile but leave it installed, everything works OK. The minute I put it back into the Gemfile, the crash happens again.
Two questioins, then: a) has anyone seen this? b) what is the Gemfile doing that causes the crash even though the mere presence of the pg gem doesn't cause it?
The code that does the post looks like this (right out of the PayPal SDK):
# def pay
path = "/nvp/"
data = "...."
server = "api-3t.sandbox.paypal.com"
port = 443
header = {"Content-Type" => "html/text"}
http = Net::HTTP.new(server, port)
http.use_ssl = true
http.verify_mode = OpenSSL::SSL::VERIFY_NONE
resp = http.post2(path, data, header)
@code = resp.code
end
Here is the output of the crash when it happens:
-- Ruby level backtrace information ----------------------------------------
/Users/aehven/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/webrick/server.rb:183:in `block in start_thread'
/Users/aehven/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/webrick/httpserver.rb:70:in `run'
/Users/aehven/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/webrick/httpserver.rb:111:in `service'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/rack-1.2.1/lib/rack/handler/webrick.rb:52:in `service'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/rack-1.2.1/lib/rack/content_length.rb:13:in `call'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/railties-3.0.3/lib/rails/rack/log_tailer.rb:14:in `call'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/railties-3.0.3/lib/rails/application.rb:77:in `method_missing'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/railties-3.0.3/lib/rails/application.rb:168:in `call'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_dispatch/middleware/static.rb:30:in `call'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/rack-1.2.1/lib/rack/lock.rb:11:in `call'
:10:in `synchronize'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/rack-1.2.1/lib/rack/lock.rb:11:in `block in call'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/activesupport-3.0.3/lib/active_support/cache/strategy/local_cache.rb:72:in `call'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/rack-1.2.1/lib/rack/runtime.rb:17:in `call'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/railties-3.0.3/lib/rails/rack/logger.rb:13:in `call'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_dispatch/middleware/show_exceptions.rb:46:in `call'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_dispatch/middleware/remote_ip.rb:48:in `call'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/rack-1.2.1/lib/rack/sendfile.rb:107:in `call'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_dispatch/middleware/callbacks.rb:44:in `call'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/activesupport-3.0.3/lib/active_support/callbacks.rb:415:in `_run_call_callbacks'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_dispatch/middleware/callbacks.rb:46:in `block in call'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/activerecord-3.0.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:353:in `call'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/activerecord-3.0.3/lib/active_record/query_cache.rb:31:in `call'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/activerecord-3.0.3/lib/active_record/query_cache.rb:12:in `cache'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/activerecord-3.0.3/lib/active_record/connection_adapters/abstract/query_cache.rb:28:in `cache'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/activerecord-3.0.3/lib/active_record/query_cache.rb:32:in `block in call'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_dispatch/middleware/cookies.rb:295:in `call'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_dispatch/middleware/session/abstract_store.rb:149:in `call'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_dispatch/middleware/flash.rb:182:in `call'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_dispatch/middleware/params_parser.rb:21:in `call'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/rack-1.2.1/lib/rack/methodoverride.rb:24:in `call'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_dispatch/middleware/head.rb:14:in `call'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_dispatch/middleware/best_standards_support.rb:17:in `call'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_dispatch/routing/route_set.rb:492:in `call'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/rack-mount-0.6.13/lib/rack/mount/route_set.rb:139:in `call'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/rack-mount-0.6.13/lib/rack/mount/code_generation.rb:92:in `recognize'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/rack-mount-0.6.13/lib/rack/mount/code_generation.rb:68:in `optimized_each'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/rack-mount-0.6.13/lib/rack/mount/code_generation.rb:93:in `block in recognize'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/rack-mount-0.6.13/lib/rack/mount/route_set.rb:148:in `block in call'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_dispatch/routing/route_set.rb:27:in `call'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_dispatch/routing/route_set.rb:62:in `dispatch'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_dispatch/routing/route_set.rb:62:in `call'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_controller/metal.rb:178:in `block in action'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_controller/metal/rack_delegation.rb:14:in `dispatch'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_controller/metal.rb:138:in `dispatch'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/abstract_controller/rendering.rb:40:in `process'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/abstract_controller/base.rb:120:in `process'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_controller/metal/rescue.rb:17:in `process_action'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_controller/metal/instrumentation.rb:29:in `process_action'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/activesupport-3.0.3/lib/active_support/notifications.rb:52:in `instrument'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/activesupport-3.0.3/lib/active_support/notifications/instrumenter.rb:21:in `instrument'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/activesupport-3.0.3/lib/active_support/notifications.rb:52:in `block in instrument'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_controller/metal/instrumentation.rb:30:in `block in process_action'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/abstract_controller/callbacks.rb:17:in `process_action'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/activesupport-3.0.3/lib/active_support/callbacks.rb:93:in `run_callbacks'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/activesupport-3.0.3/lib/active_support/callbacks.rb:409:in `_run_process_action_callbacks'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/activesupport-3.0.3/lib/active_support/callbacks.rb:435:in `_run__1503509404736522407__process_action__285881469255263509__callbacks'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/abstract_controller/callbacks.rb:18:in `block in process_action'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_controller/metal/rendering.rb:11:in `process_action'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/abstract_controller/base.rb:151:in `process_action'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/actionpack-3.0.3/lib/action_controller/metal/implicit_render.rb:4:in `send_action'
/Users/aehven/Work/Projects/Pico-Tesla/Workspace/trunk/app/controllers/payments_controller.rb:54:in `do_DCC'
/Users/aehven/Work/Projects/Pico-Tesla/Workspace/trunk/vendor/plugins/PayPalSDK/lib/caller.rb:70:in `call'
/Users/aehven/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/net/http.rb:978:in `post'
/Users/aehven/.rvm/gems/ruby-1.9.2-p180@littlenik/gems/rest-client-1.6.1/lib/restclient/net_http_ext.rb:17:in `request'
/Users/aehven/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/net/http.rb:1168:in `request'
/Users/aehven/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/net/http.rb:626:in `start'
/Users/aehven/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/net/http.rb:637:in `do_start'
/Users/aehven/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/net/http.rb:678:in `connect'
/Users/aehven/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/timeout.rb:87:in `timeout'
/Users/aehven/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/timeout.rb:44:in `timeout'
/Users/aehven/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/net/http.rb:678:in `block in connect'
/Users/aehven/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/net/http.rb:678:in `connect'
-
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几乎可以肯定，您的 PostgreSQL 客户端库 (libpq) 是针对与 Ruby 库的 OpenSSL 扩展不同的 OpenSSL 版本进行编译的。我认为从 gemfile 中删除“pg”有效的原因是让 Ruby 的 libssl 有机会首先加载。
要解决此问题，请针对相同版本的 OpenSSL 编译您正在使用的需要 SSL 的所有内容。
You almost certainly have your PostgreSQL client library (libpq) compiled against a different version of OpenSSL than your Ruby library's OpenSSL extension. I think the reason removing 'pg' from the gemfile works is that gives Ruby's libssl a chance to load first.
To fix this, compile everything you're using that requires SSL against the same version of OpenSSL.