gitlab 16.x - ERR unknown command ‘HELLO‘

现象

gitlab部分操作报错500。通过Rails日志发现以下报错：

报错：

RedisClient::CommandError

ERR unknown command 'HELLO'

{"severity": "ERROR","time": "2024-04-22T02:50:16.906Z","correlation_id": "01HW1VC67EJEGKQ1A1CW9TMVPV","meta.caller_id": "UserSettings::PersonalAccessTokensController#create","meta.remote_ip": "10.1.11.11","meta.feature_category": "system_access","meta.user": "root","meta.user_id": 1,"meta.client_id": "user/1","exception.class": "RedisClient::CommandError","exception.message": "ERR unknown command 'HELLO'","exception.backtrace": ["lib/gitlab/instrumentation/redis_client_middleware.rb:26:in `block in call_pipelined'","lib/gitlab/instrumentation/redis_helper.rb:17:in `instrument_call'","lib/gitlab/instrumentation/redis_client_middleware.rb:25:in `call_pipelined'","lib/gitlab/patch/redis_client.rb:12:in `ensure_connected'","config/initializers/forbid_sidekiq_in_transactions.rb:82:in `block (2 levels) in \u003cmodule:NoEnqueueingFromTransactions\u003e'","app/services/notification_service.rb:95:in `access_token_created'","app/services/personal_access_tokens/create_service.rb:20:in `execute'","app/controllers/user_settings/personal_access_tokens_controller.rb:33:in `create'","app/controllers/application_controller.rb:468:in `set_current_admin'","lib/gitlab/session.rb:11:in `with_session'","app/controllers/application_controller.rb:459:in `set_session_storage'","lib/gitlab/i18n.rb:114:in `with_locale'","lib/gitlab/i18n.rb:120:in `with_user_locale'","app/controllers/application_controller.rb:450:in `set_locale'","app/controllers/application_controller.rb:443:in `set_current_context'","lib/gitlab/metrics/elasticsearch_rack_middleware.rb:16:in `call'","lib/gitlab/middleware/memory_report.rb:13:in `call'","lib/gitlab/middleware/speedscope.rb:13:in `call'","lib/gitlab/database/load_balancing/rack_middleware.rb:23:in `call'","lib/gitlab/middleware/rails_queue_duration.rb:33:in `call'","lib/gitlab/etag_caching/middleware.rb:21:in `call'","lib/gitlab/metrics/rack_middleware.rb:16:in `block in call'","lib/gitlab/metrics/web_transaction.rb:46:in `run'","lib/gitlab/metrics/rack_middleware.rb:16:in `call'","lib/gitlab/middleware/go.rb:20:in `call'","lib/gitlab/middleware/query_analyzer.rb:11:in `block in call'","lib/gitlab/database/query_analyzer.rb:40:in `within'","lib/gitlab/middleware/query_analyzer.rb:11:in `call'","lib/gitlab/middleware/multipart.rb:173:in `call'","lib/gitlab/middleware/read_only/controller.rb:50:in `call'","lib/gitlab/middleware/read_only.rb:18:in `call'","lib/gitlab/middleware/unauthenticated_session_expiry.rb:18:in `call'","lib/gitlab/middleware/same_site_cookies.rb:27:in `call'","lib/gitlab/middleware/path_traversal_check.rb:35:in `call'","lib/gitlab/middleware/handle_malformed_strings.rb:21:in `call'","lib/gitlab/middleware/basic_health_check.rb:25:in `call'","lib/gitlab/middleware/handle_ip_spoof_attack_error.rb:25:in `call'","lib/gitlab/middleware/request_context.rb:15:in `call'","lib/gitlab/middleware/webhook_recursion_detection.rb:15:in `call'","config/initializers/fix_local_cache_middleware.rb:11:in `call'","lib/gitlab/middleware/compressed_json.rb:44:in `call'","lib/gitlab/middleware/rack_multipart_tempfile_factory.rb:19:in `call'","lib/gitlab/middleware/sidekiq_web_static.rb:20:in `call'","lib/gitlab/metrics/requests_rack_middleware.rb:79:in `call'","lib/gitlab/middleware/release_env.rb:13:in `call'"],"user.username": "root","tags.program": "web","tags.locale": "en","tags.feature_category": "system_access","tags.correlation_id": "01HW1VC67EJEGKQ1A1CW9TMVPV","extra.storage": "queues"
}