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Posted to dev@deltacloud.apache.org by "Shveta Sachdeva (JIRA)" <ji...@apache.org> on 2011/07/27 10:58:10 UTC

[jira] [Commented] (DTACLOUD-47) Request limit exceeded." response from ec2, get tracebacks in deltacloud log

    [ https://issues.apache.org/jira/browse/DTACLOUD-47?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13071605#comment-13071605 ] 

Shveta Sachdeva commented on DTACLOUD-47:
-----------------------------------------

 IDeltacloud::ExceptionHandler::ProviderError - InstanceLimitExceeded: 20 instance(s) are already running.
REQUEST=ec2.us-east-1.amazonaws.com:443/?AWSAccessKeyId=AKIAI2KPFDYVZKSRTJMQ&Action=RunInstances&AddressingType=public&ImageId=ami-d58147bc&InstanceType=c1.xlarge&KeyName=ssachdev%40redhat.com_Ec2_east_1311747031_key_70091981895960&MaxCount=1&MinCount=1&Placement.AvailabilityZone=us-east-1a&SignatureMethod=HmacSHA256&SignatureVersion=2&Timestamp=2011-07-27T08%3A54%3A33.000Z&Version=2010-08-31&Signature=lf16hE28aWGQk3iX%2F6RsjvQeHlIg8mTVxrve2epNbpI%3D 
REQUEST ID=cf9b9e48-80b3-472b-8670-bafbba59cee7 :
 /usr/lib/ruby/gems/1.8/gems/aws-2.5.5/lib/ses/../awsbase/awsbase.rb:572:in `request_info_impl'
 /usr/lib/ruby/gems/1.8/gems/aws-2.5.5/lib/ec2/ec2.rb:177:in `request_info'
 /usr/lib/ruby/gems/1.8/gems/aws-2.5.5/lib/ec2/ec2.rb:577:in `launch_instances'
 ././lib/deltacloud/drivers/ec2/ec2_driver.rb:204:in `create_instance'
 ././lib/deltacloud/base_driver/exceptions.rb:111:in `call'
 ././lib/deltacloud/base_driver/exceptions.rb:111:in `safely'
 ././lib/deltacloud/drivers/ec2/ec2_driver.rb:203:in `create_instance'
 ././server.rb:397
 ././lib/sinatra/rabbit.rb:113:in `instance_eval'
 ././lib/sinatra/rabbit.rb:113:in `POST /api/instances'
 /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:863:in `call'
 /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:863:in `route'
 /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:521:in `instance_eval'
 /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:521:in `route_eval'
 /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:500:in `route!'
 /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:497:in `catch'
 /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:497:in `route!'
 /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:476:in `each'
 /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:476:in `route!'
 /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:601:in `dispatch!'
 /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:411:in `call!'
 /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:566:in `instance_eval'
 /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:566:in `invoke'
 /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:566:in `catch'
 /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:566:in `invoke'
 /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:411:in `call!'
 /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:399:in `call'
 ././lib/sinatra/rack_driver_select.rb:45:in `call'
 ././lib/sinatra/rack_matrix_params.rb:85:in `call'
 ././lib/sinatra/rack_runtime.rb:36:in `call'
 ././lib/sinatra/rack_etag.rb:42:in `call'
 /usr/lib/ruby/gems/1.8/gems/rack-accept-0.4.3/lib/rack/accept/context.rb:22:in `call'
 /usr/lib/ruby/gems/1.8/gems/rack-1.1.0/lib/rack/methodoverride.rb:24:in `call'
 /usr/lib/ruby/gems/1.8/gems/rack-1.1.0/lib/rack/commonlogger.rb:18:in `call'
 /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:979:in `call'
 /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:1005:in `synchronize'
 /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:979:in `call'
 /usr/lib/ruby/gems/1.8/gems/thin-1.2.5/lib/thin/connection.rb:76:in `pre_process'
 /usr/lib/ruby/gems/1.8/gems/thin-1.2.5/lib/thin/connection.rb:74:in `catch'
 /usr/lib/ruby/gems/1.8/gems/thin-1.2.5/lib/thin/connection.rb:74:in `pre_process'
 /usr/lib/ruby/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:1060:in `call'
 /usr/lib/ruby/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:1060:in `spawn_threadpool'
 /usr/lib/ruby/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:1057:in `initialize'
 /usr/lib/ruby/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:1057:in `new'
 /usr/lib/ruby/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:1057:in `spawn_threadpool'
 /usr/lib/ruby/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:1049:in `defer'
 /usr/lib/ruby/gems/1.8/gems/thin-1.2.5/lib/thin/connection.rb:54:in `process'
 /usr/lib/ruby/gems/1.8/gems/thin-1.2.5/lib/thin/connection.rb:42:in `receive_data'
 /usr/lib/ruby/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in `run_machine'
 /usr/lib/ruby/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in `run'
 /usr/lib/ruby/gems/1.8/gems/thin-1.2.5/lib/thin/backends/base.rb:57:in `start'
 /usr/lib/ruby/gems/1.8/gems/thin-1.2.5/lib/thin/server.rb:156:in `start'
 /usr/lib/ruby/gems/1.8/gems/thin-1.2.5/lib/thin/controllers/controller.rb:80:in `start'
 /usr/lib/ruby/gems/1.8/gems/thin-1.2.5/lib/thin/runner.rb:177:in `send'
 /usr/lib/ruby/gems/1.8/gems/thin-1.2.5/lib/thin/runner.rb:177:in `run_command'
 /usr/lib/ruby/gems/1.8/gems/thin-1.2.5/lib/thin/runner.rb:143:in `run!'
 /usr/share/deltacloud-core/bin/deltacloudd:126
 /usr/bin/deltacloudd:5:in `load'
 /usr/bin/deltacloudd:5
NFO -- : Launching instance of image ami-d58147bc for AKIAI2KPFDYVZKSRTJMQ, key: ssachdev@redhat.com_Ec2_east_1311747031_key_70091981895960, groups: 
W, [2011-07-27T14:24:34.254207 #28723]  WARN -- : ##### Aws::Ec2 returned an error: 400 Bad Request
<?xml version="1.0" encoding="UTF-8"?>
<Response><Errors><Error><Code>InstanceLimitExceeded</Code><Message>20 instance(s) are already running.</Message></Error></Errors><RequestID>cf9b9e48-80b3-472b-8670-bafbba59cee7</RequestID></Response> #####
W, [2011-07-27T14:24:34.254287 #28723]  WARN -- : ##### Aws::Ec2 request: ec2.us-east-1.amazonaws.com:443/?AWSAccessKeyId=AKIAI2KPFDYVZKSRTJMQ&Action=RunInstances&AddressingType=public&ImageId=ami-d58147bc&InstanceType=c1.xlarge&KeyName=ssachdev%40redhat.com_Ec2_east_1311747031_key_70091981895960&MaxCount=1&MinCount=1&Placement.AvailabilityZone=us-east-1a&SignatureMethod=HmacSHA256&SignatureVersion=2&Timestamp=2011-07-27T08%3A54%3A33.000Z&Version=2010-08-31&Signature=lf16hE28aWGQk3iX%2F6RsjvQeHlIg8mTVxrve2epNbpI%3D ####
!! Unexpected error while processing request: undefined method `details' for #<Deltacloud::ExceptionHandler::ProviderError:0x7f983849dc48>
undefined method `details' for #<Deltacloud::ExceptionHandler::ProviderError:0x7f983849dc48>
	././views/errors/502.xml.haml:7:in `__tilt_70145880646160'
	././views/errors/502.xml.haml:-6:in `instance_eval'
	././views/errors/502.xml.haml:-6:in `__tilt_70145880646160'
	/usr/lib/ruby/gems/1.8/gems/tilt-1.3.2/lib/tilt/template.rb:140:in `call'
	/usr/lib/ruby/gems/1.8/gems/tilt-1.3.2/lib/tilt/template.rb:140:in `cached_evaluate'
	/usr/lib/ruby/gems/1.8/gems/tilt-1.3.2/lib/tilt/template.rb:127:in `evaluate'
	/usr/lib/ruby/gems/1.8/gems/tilt-1.3.2/lib/tilt/haml.rb:24:in `evaluate'
	/usr/lib/ruby/gems/1.8/gems/tilt-1.3.2/lib/tilt/template.rb:76:in `render'
	/usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:343:in `render_without_format'
	././lib/sinatra/respond_to.rb:129:in `render'
	/usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:311:in `haml'
	././lib/deltacloud/helpers/application_helper.rb:112:in `report_error'
	././lib/sinatra/respond_to.rb:242:in `call'
	././lib/sinatra/respond_to.rb:242:in `respond_to'
	././lib/deltacloud/helpers/application_helper.rb:111:in `report_error'
	././server.rb:61
	/usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:641:in `instance_eval'
	/usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:641:in `error_block!'
	/usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:636:in `each'
	/usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:636:in `error_block!'
	/usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:630:in `handle_exception!'
	/usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:605:in `dispatch!'
	/usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:411:in `call!'
	/usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:566:in `instance_eval'
	/usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:566:in `invoke'
	/usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:566:in `catch'
	/usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:566:in `invoke'
	/usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:411:in `call!'
	/usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:399:in `call'
	././lib/sinatra/rack_driver_select.rb:45:in `call'
	././lib/sinatra/rack_matrix_params.rb:85:in `call'
	././lib/sinatra/rack_runtime.rb:36:in `call'
	././lib/sinatra/rack_etag.rb:42:in `call'
	/usr/lib/ruby/gems/1.8/gems/rack-accept-0.4.3/lib/rack/accept/context.rb:22:in `call'
	/usr/lib/ruby/gems/1.8/gems/rack-1.1.0/lib/rack/methodoverride.rb:24:in `call'
	/usr/lib/ruby/gems/1.8/gems/rack-1.1.0/lib/rack/commonlogger.rb:18:in `call'
	/usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:979:in `call'
	/usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:1005:in `synchronize'
	/usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:979:in `call'
	/usr/lib/ruby/gems/1.8/gems/thin-1.2.5/lib/thin/connection.rb:76:in `pre_process'
	/usr/lib/ruby/gem127.0.0.1 - - [27/Jul/2011 14:24:34] "GET /api HTTP/1.1" 200 1439 0.2516
127.0.0.1 - - [27/Jul/2011 14:24:34] "GET /api/instances HTTP/1.1" 200 28789 1.4101
127.0.0.1 - - [27/Jul/2011 14:24:35] "GET /api/instances HTTP/1.1" 200 28789 1.6196
127.0.0.1 - - [27/Jul/2011 14:24:35] "GET /api HTTP/1.1" 200 1439 0.0565
127.0.0.1 - - [27/Jul/2011 14:24:36] "GET /api/instances HTTP/1.1" 200 28789 1.9271
127.0.0.1 - - [27/Jul/2011 14:24:36] "GET /api HTTP/1.1" 200 1439 0.1816
127.0.0.1 - - [27/Jul/2011 14:24:36] "GET /api HTTP/1.1" 200 1439 0.1850
127.0.0.1 - - [27/Jul/2011 14:24:38] "GET /api/instances HTTP/1.1" 200 28789 2.1307
127.0.0.1 - - [27/Jul/2011 14:24:39] "GET /api/instances HTTP/1.1" 200 28789 3.9238
127.0.0.1 - - [27/Jul/2011 14:24:40] "GET /api/instances HTTP/1.1" 200 28789 3.6063
127.0.0.1 - - [27/Jul/2011 14:24:40] "GET /api HTTP/1.1" 200 1439 0.0291
127.0.0.1 - - [27/Jul/2011 14:24:41] "GET /api HTTP/1.1" 200 1439 0.0219
127.0.0.1 - - [27/Jul/2011 14:24:42] "GET /api/instances HTTP/1.1" 200 28789 1.7214
127.0.0.1 - - [27/Jul/2011 14:24:43] "GET /api/instances HTTP/1.1" 200 28789 3.4474
127.0.0.1 - - [27/Jul/2011 14:24:43] "GET /api HTTP/1.1" 200 1439 0.0270
127.0.0.1 - - [27/Jul/2011 14:24:43] "GET /api HTTP/1.1" 200 1439 0.0285
127.0.0.1 - - [27/Jul/2011 14:24:45] "GET /api HTTP/1.1" 200 1439 0.0520
127.0.0.1 - - [27/Jul/2011 14:24:45] "GET /api HTTP/1.1" 200 1439 0.0553
127.0.0.1 - - [27/Jul/2011 14:24:45] "GET /api/instances HTTP/1.1" 200 28789 1.6354
127.0.0.1 - - [27/Jul/2011 14:24:45] "GET /api/instances HTTP/1.1" 200 28789 1.7878
127.0.0.1 - - [27/Jul/2011 14:24:47] "GET /api/instances HTTP/1.1" 200 28789 2.1723
127.0.0.1 - - [27/Jul/2011 14:24:47] "GET /api/instances HTTP/1.1" 200 28789 2.7255
127.0.0.1 - - [27/Jul/2011 14:24:49] "GET /api HTTP/1.1" 200 1439 0.0450
127.0.0.1 - - [27/Jul/2011 14:24:49] "GET /api HTTP/1.1" 200 1439 0.0380
127.0.0.1 - - [27/Jul/2011 14:24:50] "GET /api/instances HTTP/1.1" 200 28789 1.5791
127.0.0.1 - - [27/Jul/2011 14:24:51] "GET /api/instances HTTP/1.1" 200 28789 1.8838



> Request limit exceeded." response from ec2, get tracebacks in deltacloud log
> ----------------------------------------------------------------------------
>
>                 Key: DTACLOUD-47
>                 URL: https://issues.apache.org/jira/browse/DTACLOUD-47
>             Project: DeltaCloud
>          Issue Type: Bug
>          Components: Client (Ruby)
>         Environment: ec2 + aeolus
>            Reporter: wes hayutin
>            Assignee: David Lutterkort
>
> Under heavy use, starting 15-20 instances serially its possible to get a response back from ec2 that the "request limit has been reached". Once a load is created, and ec2 can not handle more requests I see a lot of tracebacks in the ec2 log.
> 127.0.0.1 - - [31/May/2011 20:54:32] "GET /api/instances HTTP/1.1" 500 5628 9.4191
> 127.0.0.1 - - [31/May/2011 20:54:32] "GET /api/instances HTTP/1.1" 200 52194 9.8775
> Deltacloud::BackendError - RequestLimitExceeded: Request limit exceeded.
> REQUEST=ec2.us-east-1.amazonaws.com:443/?AWSAccessKeyId=AKIAJ557V2EQ&Action=DeleteTags&ResourceId.1=i-fba01795&SignatureMethod=HmacSHA256&SignatureVersion=2&Tag.1.Key=name&Timestamp=2011-06-01T00%3A54%3A32.000Z&Version=2010-08-31&Signature=ZLFgXz2V9aIIyuV9FTHApP4vNnfo8NxFaf6OEhSCJss%3D 
> REQUEST ID=55502bf8-4814-41a6-933b-fb02b6a21e20 :
>  ././lib/deltacloud/base_driver/base_driver.rb:247:in `safely'
>  ././lib/deltacloud/base_driver/base_driver.rb:245:in `each'
>  ././lib/deltacloud/base_driver/base_driver.rb:245:in `safely'
>  ././lib/deltacloud/drivers/ec2/ec2_driver.rb:174:in `instances'
>  ././lib/deltacloud/helpers/application_helper.rb:80:in `send'
>  ././lib/deltacloud/helpers/application_helper.rb:80:in `filter_all'
>  /usr/lib/ruby/1.8/benchmark.rb:293:in `measure'
>  ././lib/deltacloud/helpers/application_helper.rb:79:in `filter_all'
>  ././server.rb:383
>  ././lib/sinatra/rabbit.rb:104:in `instance_eval'
>  ././lib/sinatra/rabbit.rb:104:in `GET /api/instances'
>  /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:863:in `call'
>  /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:863:in `route'
>  /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:521:in `instance_eval'
>  /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:521:in `route_eval'
>  /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:500:in `route!'
>  /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:497:in `catch'
>  /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:497:in `route!'
>  /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:476:in `each'
>  /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:476:in `route!'
>  /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:601:in `dispatch!'
>  /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:411:in `call!'
>  /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:566:in `instance_eval'
>  /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:566:in `invoke'
>  /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:566:in `catch'
>  /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:566:in `invoke'
>  /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:411:in `call!'
>  /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:399:in `call'
>  ././lib/sinatra/rack_driver_select.rb:45:in `call'
>  ././lib/sinatra/rack_matrix_params.rb:80:in `call'
>  ././lib/sinatra/rack_runtime.rb:36:in `call'
>  ././lib/sinatra/rack_etag.rb:42:in `call'
>  /usr/lib/ruby/gems/1.8/gems/rack-accept-0.4.3/lib/rack/accept/context.rb:22:in `call'
>  /usr/lib/ruby/gems/1.8/gems/rack-1.1.0/lib/rack/methodoverride.rb:24:in `call'
>  /usr/lib/ruby/gems/1.8/gems/rack-1.1.0/lib/rack/commonlogger.rb:18:in `call'
>  /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:979:in `call'
>  /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:1005:in `synchronize'
>  /usr/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:979:in `call'
>  /usr/lib/ruby/gems/1.8/gems/thin-1.2.5/lib/thin/stats.rb:24:in `call'
>  /usr/lib/ruby/gems/1.8/gems/thin-1.2.5/lib/thin/stats.rb:33:in `log'
>  /usr/lib/ruby/gems/1.8/gems/thin-1.2.5/lib/thin/stats.rb:24:in `call'
>  /usr/lib/ruby/gems/1.8/gems/thin-1.2.5/lib/thin/connection.rb:76:in `pre_process'
>  /usr/lib/ruby/gems/1.8/gems/thin-1.2.5/lib/thin/connection.rb:74:in `catch'
>  /usr/lib/ruby/gems/1.8/gems/thin-1.2.5/lib/thin/connection.rb:74:in `pre_process'
>  /usr/lib/ruby/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:1060:in `call'
>  /usr/lib/ruby/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:1060:in `spawn_threadpool'
>  /usr/lib/ruby/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:1057:in `initialize'
>  /usr/lib/ruby/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:1057:in `new'
>  /usr/lib/ruby/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:1057:in `spawn_threadpool'
>  /usr/lib/ruby/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:1049:in `defer'
>  /usr/lib/ruby/gems/1.8/gems/thin-1.2.5/lib/thin/connection.rb:54:in `process'
>  /usr/lib/ruby/gems/1.8/gems/thin-1.2.5/lib/thin/connection.rb:42:in `receive_data'
>  /usr/lib/ruby/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in `run_machine'
>  /usr/lib/ruby/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in `run'
>  /usr/lib/ruby/gems/1.8/gems/thin-1.2.5/lib/thin/backends/base.rb:57:in `start'
>  /usr/lib/ruby/gems/1.8/gems/thin-1.2.5/lib/thin/server.rb:156:in `start'
>  /usr/lib/ruby/gems/1.8/gems/thin-1.2.5/lib/thin/controllers/controller.rb:80:in `start'
>  /usr/lib/ruby/gems/1.8/gems/thin-1.2.5/lib/thin/runner.rb:177:in `send'
>  /usr/lib/ruby/gems/1.8/gems/thin-1.2.5/lib/thin/runner.rb:177:in `run_command'
>  /usr/lib/ruby/gems/1.8/gems/thin-1.2.5/lib/thin/runner.rb:143:in `run!'
>  /usr/share/deltacloud-core/bin/deltacloudd:124
>  /usr/bin/deltacloudd:5:in `load'
>  /usr/bin/deltacloudd:5
> 127.0.0.1 - - [31/May/2011 20:54:32] "GET /api/instances HTTP/1.1" 500 5628 9.4123
> 127.0.0.1 - - [31/May/2011 20:54:33] "GET /api/instances HTTP/1.1" 200 52194 9.9548
> Deltacloud::BackendError - RequestLimitExceeded: Request limit exceeded.

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