Mysql2::Error: Lock wait timeout exceeded; try restarting transaction
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/abstract_mysql_adapter.rb", line 309, in query
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/abstract_mysql_adapter.rb", line 309, in block in execute
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/abstract_adapter.rb", line 484, in block in log
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activesupport-4.2.7.1/lib/active_support/notifications/instrumenter.rb", line 20, in instrument
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/abstract_adapter.rb", line 478, in log
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/abstract_mysql_adapter.rb", line 309, in execute
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/mysql2_adapter.rb", line 231, in execute
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/mysql2_adapter.rb", line 252, in exec_delete
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/abstract/database_statements.rb", line 114, in update
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/abstract/query_cache.rb", line 14, in update
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/relation.rb", line 88, in _update_record
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/persistence.rb", line 515, in _update_record
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/locking/optimistic.rb", line 79, in _update_record
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/attribute_methods/dirty.rb", line 129, in _update_record
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/callbacks.rb", line 310, in block in _update_record
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activesupport-4.2.7.1/lib/active_support/callbacks.rb", line 88, in __run_callbacks__
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activesupport-4.2.7.1/lib/active_support/callbacks.rb", line 778, in _run_update_callbacks
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/callbacks.rb", line 310, in _update_record
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/timestamp.rb", line 70, in _update_record
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/persistence.rb", line 504, in create_or_update
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/callbacks.rb", line 302, in block in create_or_update
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activesupport-4.2.7.1/lib/active_support/callbacks.rb", line 117, in call
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activesupport-4.2.7.1/lib/active_support/callbacks.rb", line 555, in block (2 levels) in compile
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activesupport-4.2.7.1/lib/active_support/callbacks.rb", line 505, in call
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activesupport-4.2.7.1/lib/active_support/callbacks.rb", line 92, in __run_callbacks__
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activesupport-4.2.7.1/lib/active_support/callbacks.rb", line 778, in _run_save_callbacks
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/callbacks.rb", line 302, in create_or_update
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/persistence.rb", line 120, in save
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/validations.rb", line 37, in save
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/attribute_methods/dirty.rb", line 21, in save
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/transactions.rb", line 286, in block (2 levels) in save
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/transactions.rb", line 351, in block in with_transaction_returning_status
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/abstract/database_statements.rb", line 213, in block in transaction
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/abstract/transaction.rb", line 184, in within_new_transaction
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/abstract/database_statements.rb", line 213, in transaction
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/transactions.rb", line 220, in transaction
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/transactions.rb", line 348, in with_transaction_returning_status
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/transactions.rb", line 286, in block in save
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/transactions.rb", line 301, in rollback_active_record_state!
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/transactions.rb", line 285, in save
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-session_store-0.1.1/lib/action_dispatch/session/active_record_store.rb", line 81, in block in set_session
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activesupport-4.2.7.1/lib/active_support/logger_silence.rb", line 19, in silence
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/activerecord-session_store-0.1.1/lib/action_dispatch/session/active_record_store.rb", line 78, in set_session
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/rack-1.6.4/lib/rack/session/abstract/id.rb", line 342, in commit_session
File "/var/www/sites/hydranorth/vendor/ruby/2.3.0/gems/rack-1.6.4/lib/rack/session/abstract/id.rb", line 226, in context
File "/var/www/sit
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