lib/gitlab/metrics/requests_rack_middleware.rb:29:in `call' # - # - Caused by: - # Mysql2::Error: # Deadlock found when trying to get lock try restarting transaction #. lib/gitlab/testing/request_blocker_middleware.rb:47:in `call' #. lib/gitlab/testing/request_inspector_middleware.rb:33:in `call' #. lib/gitlab/middleware/static.rb:11:in `call' #. config/initializers/fix_local_cache_middleware.rb:9:in `call' #. lib/gitlab/request_context.rb:20:in `call' #. lib/gitlab/middleware/basic_health_check.rb:25:in `call' #. lib/gitlab/middleware/read_only.rb:18:in `call' #. lib/gitlab/middleware/read_only/controller.rb:40:in `call' #. lib/gitlab/middleware/correlation_id.rb:15:in `call' #. lib/gitlab/correlation_id.rb:15:in `use_id' #. lib/gitlab/middleware/correlation_id.rb:16:in `block in call' #. lib/gitlab/etag_caching/middleware.rb:13:in `call' #. lib/gitlab/middleware/go.rb:19:in `call' #. lib/gitlab/query_limiting/middleware.rb:16:in `call' #. lib/gitlab/query_limiting/transaction.rb:39:in `run' #. lib/gitlab/query_limiting/middleware.rb:17:in `block in call' #. lib/gitlab/request_profiler/middleware.rb:16:in `call' #. lib/gitlab/middleware/multipart.rb:103:in `call' #. app/controllers/application_controller.rb:420:in `set_locale' #. app/controllers/concerns/uploads_actions.rb:10:in `create' #. app/services/upload_service.rb:12:in `execute' #. app/uploaders/object_storage.rb:327:in `store!' #. app/uploaders/records_uploads.rb:26:in `record_upload' #. MySQLTransactionRollbackException: Deadlock found when trying to get lock try restarting transaction at .JobStoreSupport. app/uploaders/records_uploads.rb:30:in `block in record_upload' #. app/uploaders/records_uploads.rb:30:in `tap' #. config/initializers/active_record_locking.rb:11:in `_create_record' #. Depending on the errors involved, the solution may present itself, or you may need to include your helpful log information if you need to open a Support Ticket.Failures: 1) User uploads file to note uploading is in progress shows "Attaching 2 files" message on uploading 2 file Failure/Error: self.upload = build_upload.tap(&:save!) ActiveRecord::StatementInvalid: Mysql2::Error: Deadlock found when trying to get lock try restarting transaction: INSERT INTO `uploads` (`size`, `path`, `checksum`, `model_id`, `model_type`, `uploader`, `created_at`, `secret`, `store`) VALUES (1062, 'c96261f3ae2db692311d58a5b7be2a76/dk.png', 'b804383982bb89b00e828e3f44c038cc991d3d1768009fc39ba8e2c081b9fb75', 168, 'Project', 'FileUploader', ' 06:49:31', 'c96261f3ae2db692311d58a5b7be2a76', 1) #.Consult this article: Deploy variables (MYSQL_USE_SLAVE_CONNECTION). If on Adobe Commerce on cloud infrastructure, check that MySQL slave is enabled. Check your MySQL process list for running processes with the command mysql -e 'show full processlist'.Adobe Commerce on cloud infrastructure logs locations.Adobe Commerce and Magento Open Source log locations.Check your application, deployment, or MySQL logs for deadlock errors:.Often the application, deployment, or MySQL logs will mention a "deadlock" error or the error "Deadlock found when trying to get lock try restarting transaction." Causeĭeadlocks can have multiple causes, but the most common is if you perform any interaction (website/processes/cron jobs/other users/MySQL maintenance/MySQL imports) while performing DML/DDL queries at the same time.Īs an example, it is a best practice to avoid a stuck MySQL database import by first putting your site in maintenance mode to avoid getting SQL requests to the database that could cause deadlocks and a stuck database import. Deadlocks being present do not always indicate an issue but often are a symptom of some other MySQL or Adobe Commerce issue that has occurred. Adobe Commerce on cloud infrastructure 2.2.x and 2.3.xĭeadlocks in MySQL occur when two or more transactions mutually hold and request for locks.Adobe Commerce on-premises 2.2.x and 2.3.x.This article talks about deadlocks in MySQL to help identify and resolve them if they cause a site down, stuck database import, or other Adobe Commerce issues.
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