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arturaz/connection_pool.rb

Created April 22, 2012 17:50
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JRuby 1.6.7-HEAD ConcurrencyError in safe code
Raw
connection_pool.rb
# Check-in a database connection back into the pool, indicating that you
# no longer need this connection.
#
# +conn+: an AbstractAdapter object, which was obtained by earlier by
# calling +checkout+ on this pool.
def checkin(conn)
synchronize do
conn.run_callbacks :checkin do
conn.expire
@queue.signal
end
release conn
end
end
private
def release(conn)
thread_id = nil
if @reserved_connections[current_connection_id] == conn
thread_id = current_connection_id
else
thread_id = @reserved_connections.keys.find { |k| # Error in this line
@reserved_connections[k] == conn
}
end
@reserved_connections.delete thread_id if thread_id
end
Raw
error.log
Server has encountered an error!
[2012-04-22 20:44:50.981|worker-world_2|main|error] Threading::Worker crashed!
ConcurrencyError: Detected invalid hash contents due to unsynchronized modifications with concurrent users
java/lang/Thread.java:1567:in `getStackTrace'
org/jruby/runtime/backtrace/TraceType.java:59:in `getBacktraceData'
org/jruby/runtime/backtrace/TraceType.java:111:in `getBacktraceData'
org/jruby/runtime/backtrace/TraceType.java:25:in `getBacktrace'
org/jruby/RubyException.java:160:in `prepareBacktrace'
org/jruby/exceptions/RaiseException.java:205:in `preRaise'
org/jruby/exceptions/RaiseException.java:195:in `preRaise'
org/jruby/exceptions/RaiseException.java:112:in `<init>'
org/jruby/Ruby.java:3381:in `newRaiseException'
org/jruby/Ruby.java:3206:in `newConcurrencyError'
org/jruby/RubyHash.java:1913:in `concurrentModification'
org/jruby/RubyHash.java:1356:in `keys'
org/jruby/RubyHash$i$0$0$keys.gen:65535:in `call'
org/jruby/runtime/callsite/CachingCallSite.java:133:in `call'
/home/spacegame/nebula-server/20120422201639/vendor/bundle/jruby/1.9/gems/activerecord-3.2.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:294:in `release'
home$spacegame$nebula_minus_server$$20120422201639$vendor$bundle$jruby$$1_dot_9$gems$activerecord_minus_3_dot_2_dot_3$lib$active_record$connection_adapters$abstract$connection_pool$method__21$RUBY$release:65535:in `call'
home$spacegame$nebula_minus_server$$20120422201639$vendor$bundle$jruby$$1_dot_9$gems$activerecord_minus_3_dot_2_dot_3$lib$active_record$connection_adapters$abstract$connection_pool$method__21$RUBY$release:65535:in `call'
org/jruby/runtime/callsite/CachingCallSite.java:167:in `call'
/home/spacegame/nebula-server/20120422201639/vendor/bundle/jruby/1.9/gems/activerecord-3.2.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:282:in `checkin'
home$spacegame$nebula_minus_server$$20120422201639$vendor$bundle$jruby$$1_dot_9$gems$activerecord_minus_3_dot_2_dot_3$lib$active_record$connection_adapters$abstract$connection_pool$block_19$RUBY$checkin:65535:in `call'
org/jruby/runtime/CompiledBlock19.java:121:in `yieldSpecificInternal'
org/jruby/runtime/CompiledBlock19.java:96:in `yieldSpecific'
org/jruby/runtime/Block.java:99:in `yieldSpecific'
/usr/local/rvm/rubies/jruby-head-n16/lib/ruby/1.9/monitor.rb:201:in `__ensure__'
/usr/local/rvm/rubies/jruby-head-n16/lib/ruby/1.9/monitor.rb:200:in `mon_synchronize'
usr$local$rvm$rubies$jruby_minus_head_minus_n16$lib$ruby$$1_dot_9$monitor$method__14$RUBY$mon_synchronize:65535:in `call'
org/jruby/internal/runtime/methods/AliasMethod.java:81:in `call'
org/jruby/runtime/callsite/CachingCallSite.java:142:in `callBlock'
org/jruby/runtime/callsite/CachingCallSite.java:153:in `callIter'
/home/spacegame/nebula-server/20120422201639/vendor/bundle/jruby/1.9/gems/activerecord-3.2.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:276:in `checkin'
home$spacegame$nebula_minus_server$$20120422201639$vendor$bundle$jruby$$1_dot_9$gems$activerecord_minus_3_dot_2_dot_3$lib$active_record$connection_adapters$abstract$connection_pool$method__20$RUBY$checkin:65535:in `call'
home$spacegame$nebula_minus_server$$20120422201639$vendor$bundle$jruby$$1_dot_9$gems$activerecord_minus_3_dot_2_dot_3$lib$active_record$connection_adapters$abstract$connection_pool$method__20$RUBY$checkin:65535:in `call'
org/jruby/runtime/callsite/CachingCallSite.java:167:in `call'
/home/spacegame/nebula-server/20120422201639/vendor/bundle/jruby/1.9/gems/activerecord-3.2.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:110:in `release_connection'
home$spacegame$nebula_minus_server$$20120422201639$vendor$bundle$jruby$$1_dot_9$gems$activerecord_minus_3_dot_2_dot_3$lib$active_record$connection_adapters$abstract$connection_pool$method__7$RUBY$release_connection:65535:in `call'
org/jruby/internal/runtime/methods/DynamicMethod.java:211:in `call'
org/jruby/internal/runtime/methods/CompiledMethod.java:260:in `call'
org/jruby/runtime/callsite/CachingCallSite.java:167:in `call'
/home/spacegame/nebula-server/20120422201639/vendor/bundle/jruby/1.9/gems/activerecord-3.2.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:121:in `__ensure__'
home$spacegame$nebula_minus_server$$20120422201639$vendor$bundle$jruby$$1_dot_9$gems$activerecord_minus_3_dot_2_dot_3$lib$active_record$connection_adapters$abstract$connection_pool$method__8$RUBY$with_connection:65535:in `call'
org/jruby/internal/runtime/methods/AliasMethod.java:81:in `call'
org/jruby/runtime/callsite/CachingCallSite.java:142:in `callBlock'
org/jruby/runtime/callsite/CachingCallSite.java:153:in `callIter'
/home/spacegame/nebula-server/20120422201639/lib/server/monkey_squad.rb:42:in `with_connection'
home$spacegame$nebula_minus_server$$20120422201639$lib$server$monkey_squad$method__9$RUBY$with_connection:65535:in `call'
org/jruby/runtime/callsite/CachingCallSite.java:142:in `callBlock'
org/jruby/runtime/callsite/CachingCallSite.java:153:in `callIter'
/home/spacegame/nebula-server/20120422201639/lib/server/threading/director/task.rb:31:in `run'
home$spacegame$nebula_minus_server$$20120422201639$lib$server$threading$director$task$method__5$RUBY$run:65535:in `call'
home$spacegame$nebula_minus_server$$20120422201639$lib$server$threading$director$task$method__5$RUBY$run:65535:in `call'
org/jruby/runtime/callsite/CachingCallSite.java:167:in `call'
/home/spacegame/nebula-server/20120422201639/lib/server/threading/worker.rb:21:in `work'
home$spacegame$nebula_minus_server$$20120422201639$lib$server$threading$worker$block_1$RUBY$work:65535:in `call'
org/jruby/runtime/CompiledBlock19.java:121:in `yieldSpecificInternal'
org/jruby/runtime/CompiledBlock19.java:96:in `yieldSpecific'
org/jruby/runtime/Block.java:99:in `yieldSpecific'
/home/spacegame/nebula-server/20120422201639/lib/server/logging/logger.rb:57:in `block'
home$spacegame$nebula_minus_server$$20120422201639$lib$server$logging$logger$method__2$RUBY$block:65535:in `call'
org/jruby/internal/runtime/methods/DynamicMethod.java:219:in `call'
org/jruby/RubyClass.java:611:in `finvoke'
org/jruby/RubyBasicObject.java:1710:in `send19'
org/jruby/RubyKernel.java:2108:in `send19'
org/jruby/RubyKernel$s$send19.gen:65535:in `call'
org/jruby/runtime/callsite/CachingCallSite.java:244:in `callBlock'
org/jruby/runtime/callsite/CachingCallSite.java:250:in `call'
org/jruby/runtime/callsite/CachingCallSite.java:114:in `callVarargs'
/home/spacegame/nebula-server/20120422201639/lib/server/logging/thread_router.rb:7:in `method_missing'
home$spacegame$nebula_minus_server$$20120422201639$lib$server$logging$thread_router$method__1$RUBY$method_missing:65535:in `call'
org/jruby/javasupport/util/RuntimeHelpers.java:497:in `call'
org/jruby/internal/runtime/methods/DynamicMethod.java:219:in `call'
org/jruby/runtime/callsite/CachingCallSite.java:403:in `callMethodMissing'
org/jruby/runtime/callsite/CachingCallSite.java:339:in `cacheAndCall'
org/jruby/runtime/callsite/CachingCallSite.java:212:in `callBlock'
org/jruby/runtime/callsite/CachingCallSite.java:221:in `callIter'
/home/spacegame/nebula-server/20120422201639/lib/server/threading/worker.rb:20:in `work'
home$spacegame$nebula_minus_server$$20120422201639$lib$server$threading$worker$block_0$RUBY$work:65535:in `call'
org/jruby/runtime/CompiledBlock19.java:121:in `yieldSpecificInternal'
org/jruby/runtime/CompiledBlock19.java:96:in `yieldSpecific'
org/jruby/runtime/Block.java:99:in `yieldSpecific'
/home/spacegame/nebula-server/20120422201639/vendor/bundle/jruby/1.9/bundler/gems/celluloid-53b31cb209dd/lib/celluloid/actor.rb:122:in `__ensure__'
home$spacegame$nebula_minus_server$$20120422201639$vendor$bundle$jruby$$1_dot_9$bundler$gems$celluloid_minus_53b31cb209dd$lib$celluloid$actor$method__18$RUBY$exclusive:65535:in `call'
org/jruby/runtime/callsite/CachingCallSite.java:142:in `callBlock'
org/jruby/runtime/callsite/CachingCallSite.java:148:in `call'
/home/spacegame/nebula-server/20120422201639/vendor/bundle/jruby/1.9/bundler/gems/celluloid-53b31cb209dd/lib/celluloid.rb:270:in `exclusive'
home$spacegame$nebula_minus_server$$20120422201639$vendor$bundle$jruby$$1_dot_9$bundler$gems$celluloid_minus_53b31cb209dd$lib$celluloid$method__41$RUBY$exclusive:65535:in `call'
org/jruby/runtime/callsite/CachingCallSite.java:142:in `callBlock'
org/jruby/runtime/callsite/CachingCallSite.java:153:in `callIter'
/home/spacegame/nebula-server/20120422201639/lib/server/threading/worker.rb:19:in `work'
home$spacegame$nebula_minus_server$$20120422201639$lib$server$threading$worker$method__3$RUBY$work:65535:in `call'
org/jruby/RubyClass.java:592:in `finvoke'
org/jruby/RubyBasicObject.java:1704:in `send19'
org/jruby/RubyKernel.java:2104:in `send19'
org/jruby/RubyKernel$s$send19.gen:65535:in `call'
org/jruby/runtime/callsite/CachingCallSite.java:342:in `cacheAndCall'
org/jruby/runtime/callsite/CachingCallSite.java:212:in `callBlock'
org/jruby/runtime/callsite/CachingCallSite.java:216:in `call'
org/jruby/runtime/callsite/CachingCallSite.java:113:in `callVarargs'
/home/spacegame/nebula-server/20120422201639/vendor/bundle/jruby/1.9/bundler/gems/celluloid-53b31cb209dd/lib/celluloid/calls.rb:98:in `dispatch'
home$spacegame$nebula_minus_server$$20120422201639$vendor$bundle$jruby$$1_dot_9$bundler$gems$celluloid_minus_53b31cb209dd$lib$celluloid$calls$method__16$RUBY$dispatch:65535:in `call'
home$spacegame$nebula_minus_server$$20120422201639$vendor$bundle$jruby$$1_dot_9$bundler$gems$celluloid_minus_53b31cb209dd$lib$celluloid$calls$method__16$RUBY$dispatch:65535:in `call'
org/jruby/runtime/callsite/CachingCallSite.java:167:in `call'
/home/spacegame/nebula-server/20120422201639/vendor/bundle/jruby/1.9/bundler/gems/celluloid-53b31cb209dd/lib/celluloid/actor.rb:223:in `handle_message'
home$spacegame$nebula_minus_server$$20120422201639$vendor$bundle$jruby$$1_dot_9$bundler$gems$celluloid_minus_53b31cb209dd$lib$celluloid$actor$block_9$RUBY$handle_message:65535:in `call'
org/jruby/runtime/CompiledBlock19.java:121:in `yieldSpecificInternal'
org/jruby/runtime/CompiledBlock19.java:96:in `yieldSpecific'
org/jruby/runtime/Block.java:99:in `yieldSpecific'
/home/spacegame/nebula-server/20120422201639/vendor/bundle/jruby/1.9/bundler/gems/celluloid-53b31cb209dd/lib/celluloid/task.rb:45:in `initialize'
/home/spacegame/nebula-server/20120422201639/vendor/bundle/jruby/1.9/bundler/gems/celluloid-53b31cb209dd/lib/celluloid/task.rb:44:in `initialize'
home$spacegame$nebula_minus_server$$20120422201639$vendor$bundle$jruby$$1_dot_9$bundler$gems$celluloid_minus_53b31cb209dd$lib$celluloid$task$block_0$RUBY$initialize:65535:in `call'
org/jruby/runtime/CompiledBlock19.java:163:in `yield'
org/jruby/runtime/CompiledBlock19.java:149:in `yield'
org/jruby/runtime/Block.java:146:in `yieldArray'
org/jruby/ext/fiber/ThreadFiber.java:38:in `run'
java/util/concurrent/ThreadPoolExecutor.java:1110:in `runWorker'
java/util/concurrent/ThreadPoolExecutor.java:603:in `run'
java/lang/Thread.java:722:in `run'
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