Description of problem:


Version-Release number of selected component (if applicable):
5.6.0.10

How reproducible:
100%

Steps to Reproduce:
1.Provision a VM
2.When the Provisioning is in process delete the request
3.

Actual results:
Request gets deleted successfuly but Error:[undefined method `base_class' for NilClass:Class] in thrown in  evm.log

Expected results:


Additional info:
evm.log
e
[----] I, [2016-06-14T02:26:49.365264 #4408:bd6c94]  INFO -- : Querying Openstack Ceilometer for events newer than ...
[----] I, [2016-06-14T02:26:49.713158 #9172:a6f98c]  INFO -- : MIQ(MiqGenericWorker::Runner#get_message_via_drb) Message id: [83754], MiqWorker id: [236], Zone: [default], Role: [automate], Server: [], Ident: [generic], Target id: [], Instance id: [], Task id: [miq_provision_4], Command: [MiqAeEngine.deliver], Timeout: [3600], Priority: [100], State: [dequeue], Deliver On: [2016-06-14 06:26:45 UTC], Data: [], Args: [{:object_type=>"ManageIQ::Providers::Redhat::InfraManager::Provision", :object_id=>4, :attrs=>{"request"=>"vm_provision"}, :instance_name=>"AUTOMATION", :user_id=>1, :miq_group_id=>2, :tenant_id=>1, :state=>"CheckProvisioned", :ae_fsm_started=>nil, :ae_state_started=>"2016-06-14 06:24:36 UTC", :ae_state_retries=>2, :ae_state_previous=>"---\n\"/ManageIQ/Infrastructure/VM/Provisioning/StateMachines/VMProvision_vm/template\":\n  ae_state: CheckProvisioned\n  ae_state_retries: 2\n  ae_state_started: 2016-06-14 06:24:36 UTC\n"}], Dequeued in: [132.021254869] seconds
[----] I, [2016-06-14T02:26:49.713348 #9172:a6f98c]  INFO -- : Q-task_id([miq_provision_4]) MIQ(MiqQueue#deliver) Message id: [83754], Delivering...
[----] I, [2016-06-14T02:26:49.715055 #9172:a6f98c]  INFO -- : Q-task_id([miq_provision_4]) MIQ(MiqAeEngine.deliver) Delivering {"request"=>"vm_provision"} for object [ManageIQ::Providers::Redhat::InfraManager::Provision.4] with state [CheckProvisioned] to Automate
[----] E, [2016-06-14T02:26:49.716313 #9172:a6f98c] ERROR -- : Q-task_id([miq_provision_4]) MIQ(MiqQueue#deliver) Message id: [83754], Error: [undefined method `base_class' for NilClass:Class]
[----] E, [2016-06-14T02:26:49.716594 #9172:a6f98c] ERROR -- : Q-task_id([miq_provision_4]) [NoMethodError]: undefined method `base_class' for NilClass:Class  Method:[rescue in deliver]
[----] E, [2016-06-14T02:26:49.716750 #9172:a6f98c] ERROR -- : Q-task_id([miq_provision_4]) /var/www/miq/vmdb/lib/miq_automation_engine/engine/miq_ae_engine.rb:195:in `create_automation_attribute_class_name'
/var/www/miq/vmdb/lib/miq_automation_engine/engine/miq_ae_engine.rb:213:in `create_automation_attribute_key'
/var/www/miq/vmdb/lib/miq_automation_engine/engine/miq_ae_engine.rb:98:in `deliver'
/var/www/miq/vmdb/app/models/miq_queue.rb:345:in `block in deliver'
/opt/rh/rh-ruby22/root/usr/share/ruby/timeout.rb:89:in `block in timeout'
/opt/rh/rh-ruby22/root/usr/share/ruby/timeout.rb:34:in `block in catch'
/opt/rh/rh-ruby22/root/usr/share/ruby/timeout.rb:34:in `catch'
/opt/rh/rh-ruby22/root/usr/share/ruby/timeout.rb:34:in `catch'
/opt/rh/rh-ruby22/root/usr/share/ruby/timeout.rb:104:in `timeout'
/var/www/miq/vmdb/app/models/miq_queue.rb:341:in `deliver'
/var/www/miq/vmdb/app/models/miq_queue_worker_base/runner.rb:106:in `deliver_queue_message'
/var/www/miq/vmdb/app/models/miq_queue_worker_base/runner.rb:134:in `deliver_message'
/var/www/miq/vmdb/app/models/miq_queue_worker_base/runner.rb:152:in `block in do_work'
/var/www/miq/vmdb/app/models/miq_queue_worker_base/runner.rb:146:in `loop'
/var/www/miq/vmdb/app/models/miq_queue_worker_base/runner.rb:146:in `do_work'
/var/www/miq/vmdb/app/models/miq_worker/runner.rb:334:in `block in do_work_loop'
/var/www/miq/vmdb/app/models/miq_worker/runner.rb:331:in `loop'
/var/www/miq/vmdb/app/models/miq_worker/runner.rb:331:in `do_work_loop'
/var/www/miq/vmdb/app/models/miq_worker/runner.rb:153:in `run'
/var/www/miq/vmdb/app/models/miq_worker/runner.rb:128:in `start'
/var/www/miq/vmdb/app/models/miq_worker/runner.rb:21:in `start_worker'
/var/www/miq/vmdb/app/models/miq_worker.rb:346:in `block in start'
/opt/rh/cfme-gemset/gems/nakayoshi_fork-0.0.3/lib/nakayoshi_fork.rb:24:in `fork'
/opt/rh/cfme-gemset/gems/nakayoshi_fork-0.0.3/lib/nakayoshi_fork.rb:24:in `fork'
/var/www/miq/vmdb/app/models/miq_worker.rb:344:in `start'
/var/www/miq/vmdb/app/models/miq_worker.rb:274:in `start_worker'
/var/www/miq/vmdb/app/models/miq_worker.rb:154:in `block in sync_workers'
/var/www/miq/vmdb/app/models/miq_worker.rb:154:in `times'
/var/www/miq/vmdb/app/models/miq_worker.rb:154:in `sync_workers'
/var/www/miq/vmdb/app/models/miq_server/worker_management/monitor.rb:52:in `block in sync_workers'
/var/www/miq/vmdb/app/models/miq_server/worker_management/monitor.rb:50:in `each'
/var/www/miq/vmdb/app/models/miq_server/worker_management/monitor.rb:50:in `sync_workers'
/var/www/miq/vmdb/app/models/miq_server/worker_management/monitor.rb:22:in `monitor_workers'
/var/www/miq/vmdb/app/models/miq_server.rb:362:in `block in monitor'
/var/www/miq/vmdb/gems/pending/util/extensions/miq-benchmark.rb:11:in `realtime_store'
/var/www/miq/vmdb/gems/pending/util/extensions/miq-benchmark.rb:30:in `realtime_block'
/var/www/miq/vmdb/app/models/miq_server.rb:362:in `monitor'
/var/www/miq/vmdb/app/models/miq_server.rb:382:in `block (2 levels) in monitor_loop'
/var/www/miq/vmdb/gems/pending/util/extensions/miq-benchmark.rb:11:in `realtime_store'
/var/www/miq/vmdb/gems/pending/util/extensions/miq-benchmark.rb:30:in `realtime_block'
/var/www/miq/vmdb/app/models/miq_server.rb:382:in `block in monitor_loop'
/var/www/miq/vmdb/app/models/miq_server.rb:381:in `loop'
/var/www/miq/vmdb/app/models/miq_server.rb:381:in `monitor_loop'
/var/www/miq/vmdb/app/models/miq_server.rb:266:in `start'
/var/www/miq/vmdb/lib/workers/evm_server.rb:65:in `start'
/var/www/miq/vmdb/lib/workers/evm_server.rb:92:in `start'
/var/www/miq/vmdb/lib/workers/bin/evm_server.rb:4:in `<main>'
[----] I, [2016-06-14T02:26:49.716883 #9172:a6f98c]  INFO -- : Q-task_id([miq_provision_4]) MIQ(MiqQueue#delivered) Message id: [83754], State: [error], Delivered in [0.003527361] seconds