我已经尝试过这里推荐的方法:Passenger: internal server error , 但在 config.ru 中没有发现对 STDOUT 的引用
我在 ruby-2.0.0-p247 和乘客 (4.0.17)
尝试加载页面后的控制台输出:
[ 2013-09-16 14:34:07.3648 4197/b72beb40 Pool2/Spawner.h:738 ]: [App 4435 stdout] Connecting to database specified by database.yml [ 2013-09-16 14:35:37.4570 4197/b72beb40 Pool2/Implementation.cpp:849 ]: Could not spawn process for group /media/sf_John/product#default: An error occurred while starting up the preloader: it did not write a startup response in time. in 'void Passenger::ApplicationPool2::SmartSpawner::throwPreloaderSpawnException(const std::string&, Passenger::SpawnException::ErrorKind, boost::shared_ptr&, const boost::shared_ptr&)' (SmartSpawner.h:150) in 'std::string Passenger::ApplicationPool2::SmartSpawner::negotiatePreloaderStartup(Passenger::ApplicationPool2::SmartSpawner::StartupDetails&)' (SmartSpawner.h:558) in 'void Passenger::ApplicationPool2::SmartSpawner::startPreloader()' (SmartSpawner.h:206) in 'virtual Passenger::ApplicationPool2::ProcessPtr Passenger::ApplicationPool2::SmartSpawner::spawn(const Passenger::ApplicationPool2::Options&)' (SmartSpawner.h:744) in 'void Passenger::ApplicationPool2::Group::spawnThreadRealMain(const Passenger::ApplicationPool2::SpawnerPtr&, const Passenger::ApplicationPool2::Options&, unsigned int)' (Implementation.cpp:782)
[ 2013-09-16 14:35:37.4578 4197/b60fdb40 agents/HelperAgent/RequestHandler.h:1952 ]: [Client 20] Cannot checkout session. An error occurred while starting up the preloader: it did not write a startup response in time.
gem 列表:
actionmailer (3.2.14, 3.2.13)
actionpack (3.2.14, 3.2.13)
active_hash (1.0.1, 0.9.14)
activemodel (3.2.14, 3.2.13)
activerecord (3.2.14, 3.2.13)
activeresource (3.2.14, 3.2.13)
activesupport (3.2.14, 3.2.13)
acts_as_paranoid (0.4.2)
addressable (2.3.5, 2.3.4)
american_date (1.1.0)
arbre (1.0.1)
arel (3.0.2)
attr_required (0.0.5)
bcrypt-ruby (3.1.2, 3.1.1, 3.0.1)
better_errors (0.9.0)
binding_of_caller (0.7.2)
bourbon (3.1.8)
builder (3.0.4)
bundler (1.3.5)
bundler-unload (1.0.1)
cancan (1.6.10)
capybara (2.1.0)
childprocess (0.3.9)
chronic (0.10.0, 0.9.1)
chunky_png (1.2.8)
cliver (0.2.1)
coderay (1.0.9)
coffee-rails (3.2.2)
coffee-rails-source-maps (1.3.6, 1.3.5)
coffee-script (2.2.0)
coffee-script-source (1.6.3, 1.6.2)
compass (0.12.2)
compass-rails (1.0.3)
crack (0.4.1, 0.4.0)
daemon_controller (1.1.4)
daemons (1.1.9)
dalli (2.6.4)
database_cleaner (1.1.1, 0.9.1)
debug_inspector (0.0.2)
devise (3.0.3, 3.0.2, 3.0.1, 2.2.4)
devise_oauth2_providable (1.1.2)
diff-lcs (1.2.4)
dotenv (0.8.0)
dragonfly (0.9.15)
draper (1.2.1)
erubis (2.7.0)
ethon (0.6.1, 0.6.0, 0.5.12)
eventmachine (1.0.3)
excon (0.25.3, 0.23.0)
execjs (2.0.1, 1.4.0)
factory_girl (4.2.0)
factory_girl_rails (4.2.1)
faraday (0.8.8)
faraday_middleware (0.9.0)
fastercsv (1.5.5)
ffaker (1.18.0, 1.16.1)
ffi (1.9.0)
fog (1.15.0, 1.14.0, 1.12.1)
foreman (0.63.0)
formatador (0.2.4)
formtastic (2.2.1)
forward (0.3.2)
fssm (0.2.10)
fuubar (1.2.1, 1.1.1)
gherkin (2.12.1, 2.12.0)
guard (1.8.2, 1.8.1)
guard-rspec (3.0.2)
guard-spork (1.5.1, 1.5.0)
haml (4.0.3)
haml-rails (0.4)
has_scope (0.6.0.rc, 0.5.1)
highline (1.6.19)
hike (1.2.3)
httpclient (2.3.4.1, 2.3.3)
i18n (0.6.5, 0.6.4, 0.6.1)
inherited_resources (1.4.1, 1.4.0)
journey (1.0.4)
jquery-rails (2.3.0)
jquery-ui-rails (4.0.4, 4.0.3)
json (1.7.7)
jwt (0.1.8)
kaminari (0.14.1)
kgio (2.8.0)
kramdown (1.1.0, 1.0.2)
launchy (2.3.0)
listen (1.3.0, 1.2.2)
lumberjack (1.0.4)
mail (2.5.4)
mail_view (1.0.3)
meta_search (1.1.3)
method_source (0.8.2, 0.8.1)
mime-types (1.24, 1.23)
mini_magick (3.6.0)
mini_portile (0.5.1)
mock_redis (0.9.0, 0.8.2, 0.7.0)
modernizr-rails (2.6.2.3)
modular-scale (1.0.6)
mono_logger (1.1.0)
multi_json (1.7.9, 1.7.8, 1.7.7)
multipart-post (1.2.0)
mysql2 (0.3.13, 0.3.11)
net-scp (1.1.2, 1.1.1)
net-ssh (2.6.8, 2.6.7)
newrelic_rpm (3.6.6.147, 3.6.3.111)
nokogiri (1.6.0, 1.5.10)
oily_png (1.1.0)
orm_adapter (0.4.0)
paper_trail (2.7.2)
passenger (4.0.17)
polyamorous (0.5.0)
polyglot (0.3.3)
pry (0.9.12.2)
quiet_assets (1.0.2)
rack (1.5.2, 1.4.5)
rack-cache (1.2)
rack-oauth2 (0.11.0)
rack-protection (1.5.0)
rack-ssl (1.3.3)
rack-test (0.6.2)
rails (3.2.14, 3.2.13)
railties (3.2.14, 3.2.13)
raindrops (0.11.0)
rake (10.1.0)
rb-fsevent (0.9.3)
rb-inotify (0.9.1, 0.9.0)
rb-kqueue (0.2.0)
rdoc (3.12.2)
redcarpet (3.0.0, 2.3.0)
redis (3.0.4)
redis-namespace (1.3.1, 1.3.0)
request_store (1.0.5)
responders (1.0.0.rc, 0.9.3)
resque (1.24.1)
resque_mailer (2.2.4)
rspec (2.14.1)
rspec-core (2.14.5, 2.14.4, 2.14.3)
rspec-expectations (2.14.2, 2.14.0)
rspec-instafail (0.2.4)
rspec-mocks (2.14.3, 2.14.2, 2.14.1)
rspec-rails (2.14.0)
ruby-hmac (0.4.0)
ruby-progressbar (1.2.0, 1.1.1)
rubygems-bundler (1.2.2)
rvm (1.11.3.8)
safe_yaml (0.9.5, 0.9.4, 0.9.3)
sass (3.2.10, 3.2.9)
sass-rails (3.2.6)
sassy-math (1.5)
shoulda-matchers (2.3.0, 2.2.0)
simple_form (2.1.0)
simplecov (0.7.1)
simplecov-html (0.7.1)
sinatra (1.4.3)
slop (3.4.6, 3.4.5)
spork-rails (3.2.1)
sprockets (2.2.2)
stamp (0.5.0)
state_machine (1.2.0)
subexec (0.2.3)
thin (1.5.1)
thor (0.18.1)
tilt (1.4.1)
travis-artifacts (0.1.0)
treetop (1.4.15, 1.4.14)
turnip (1.1.0)
twilio-ruby (3.10.1, 3.9.0)
typhoeus (0.6.5, 0.6.4, 0.6.3)
tzinfo (0.3.37)
uglifier (2.2.0, 2.1.2, 2.1.1)
unicorn (4.6.3, 4.6.2)
valid_attribute (1.3.1)
vcr (2.5.0)
vegas (0.1.11)
verbs (2.1.3)
warden (1.2.3, 1.2.1)
webmock (1.11.0)
websocket-driver (0.2.3, 0.2.1)
whenever (0.8.4, 0.8.2)
xpath (2.0.0)
最佳答案
对我来说，它有效
cd <usr name>
rails new myapp
sudo bundle install
mkdir /home/<user name>/myapp
chmod 701 /home/myapp
chmod -R 705 /home/<user name>/myapp
chgrp -R www-data /home/<user_name>/myapp
chown -R <user_name> /home/<user_name>
关于ruby-on-rails - 乘客:启动预加载器时出错，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/18835207/