QA failure: qa/specs/features/browser_ui/9_tenant_scale/project/add_project_member_spec.rb
## Overview
* Environment: gstg-cny
* Coordinated pipeline: https://ops.gitlab.net/gitlab-org/release/tools/-/pipelines/6043207
* Auto-deploy package: 19.3.202608030806-d81af54f190.f72a9dd10ff
### Pipeline:
* **https://ops.gitlab.net/gitlab-org/quality/staging/-/jobs/25689558**
```
2026-08-03T09:37:04.545903Z 01O
2026-08-03T09:37:04.545905Z 01O 1) Tenant Scale Project Member adds a project member
2026-08-03T09:37:04.545909Z 01O [31mFailure/Error: project = create(:project, name: 'add-member-project')[0m
2026-08-03T09:37:04.545913Z 01O [31m[0m
2026-08-03T09:37:04.545915Z 01O [31mQA::Resource::Errors::ResourceFabricationFailedError:[0m
2026-08-03T09:37:04.545919Z 01O [31m Fabrication of QA::Resource::Project using the API failed (400) with `{"message":{"base":["14:connections to all backends failing; last error: UNKNOWN: ipv4:10.224.13.54:8075: Failed to connect to remote host: Connection refused. debug_error_string:{UNAVAILABLE:connections to all backends failing; last error: UNKNOWN: ipv4:10.224.13.54:8075: Failed to connect to remote host: Connection refused}"]}}`.[0m
2026-08-03T09:37:04.545929Z 01O [31m Correlation Id: a254575a2db83123-ATL[0m
2026-08-03T09:37:04.545932Z 01O [31m Sentry Url: https://new-sentry.gitlab.net/organizations/gitlab/issues/?environment=gstg&project=3&query=correlation_id%3A%22a254575a2db83123-ATL%22[0m
2026-08-03T09:37:04.545938Z 01O [31m Kibana - Discover Url: https://nonprod-log.gitlab.net/app/discover#/?_a=%28index:%27ed942d00-5186-11ea-ad8a-f3610a492295%27%2Cquery%3A%28language%3Akuery%2Cquery%3A%27json.correlation_id%20%3A%20%22a254575a2db83123-ATL%22%27%29%29&_g=%28time%3A%28from%3A%272026-08-02T09:37:03.601Z%27%2Cto%3A%272026-08-03T09:37:03.601Z%27%29%29[0m
2026-08-03T09:37:04.545946Z 01O [31m Kibana - Dashboard Url: https://nonprod-log.gitlab.net/app/dashboards#/view/b74dc030-6f56-11ed-9af2-6131f0ee4ce6?_g=%28time%3A%28from:%272026-08-02T09:37:03.601Z%27%2Cto%3A%272026-08-03T09:37:03.601Z%27%29%29&_a=%28filters%3A%21%28%28query%3A%28match_phrase%3A%28json.correlation_id%3A%27a254575a2db83123-ATL%27%29%29%29%29%29[0m
2026-08-03T09:37:04.545954Z 01O [36m# ./qa/resource/api_fabricator.rb:134:in `api_post_to'[0m
2026-08-03T09:37:04.545957Z 01O [36m# ./qa/resource/api_fabricator.rb:108:in `api_post'[0m
2026-08-03T09:37:04.545960Z 01O [36m# ./qa/resource/api_fabricator.rb:27:in `fabricate_via_api!'[0m
2026-08-03T09:37:04.545964Z 01O [36m# ./qa/resource/project.rb:126:in `rescue in fabricate_via_api!'[0m
2026-08-03T09:37:04.545968Z 01O [36m# ./qa/resource/project.rb:123:in `fabricate_via_api!'[0m
2026-08-03T09:37:04.545971Z 01O [36m# ./qa/resource/base.rb:74:in `block (2 levels) in fabricate_via_api!'[0m
2026-08-03T09:37:04.545979Z 01O [36m# ./qa/resource/base.rb:117:in `log_and_record_fabrication'[0m
2026-08-03T09:37:04.545983Z 01O [36m# ./qa/resource/base.rb:74:in `block in fabricate_via_api!'[0m
2026-08-03T09:37:04.545987Z 01O [36m# ./qa/resource/base.rb:107:in `do_fabricate!'[0m
2026-08-03T09:37:04.545991Z 01O [36m# ./qa/resource/base.rb:73:in `fabricate_via_api!'[0m
2026-08-03T09:37:04.545994Z 01O [36m# ./qa/factories/_shared.rb:6:in `block (2 levels) in <module:QA>'[0m
2026-08-03T09:37:04.546000Z 01O [36m# ./qa/specs/features/browser_ui/9_tenant_scale/project/add_project_member_spec.rb:11:in `block (3 levels) in <module:QA>'[0m
2026-08-03T09:37:04.546005Z 01O [36m# /home/gitlab/spec/support/fast_quarantine.rb:22:in `block (2 levels) in <top (required)>'[0m
2026-08-03T09:37:04.546008Z 01O [36m# ./qa/specs/runner.rb:124:in `run_rspec'[0m
2026-08-03T09:37:04.546011Z 01O [36m# ./qa/specs/runner.rb:32:in `perform'[0m
2026-08-03T09:37:04.546014Z 01O [36m# ./qa/scenario/template.rb:10:in `block in perform'[0m
2026-08-03T09:37:04.546017Z 01O [36m# ./qa/scenario/template.rb:8:in `perform'[0m
2026-08-03T09:37:04.546020Z 01O [36m# ./qa/scenario/template.rb:63:in `perform'[0m
2026-08-03T09:37:04.546023Z 01O [36m# ./qa/scenario/template.rb:10:in `block in perform'[0m
2026-08-03T09:37:04.546026Z 01O [36m# ./qa/scenario/template.rb:8:in `perform'[0m
2026-08-03T09:37:04.546029Z 01O [36m# ./qa/scenario/bootable.rb:52:in `launch!'[0m
2026-08-03T09:37:04.546032Z 01O [36m# ------------------[0m
2026-08-03T09:37:04.546034Z 01O [36m# --- Caused by: ---[0m
2026-08-03T09:37:04.546037Z 01O [36m# QA::Resource::Errors::ResourceNotFoundError:[0m
2026-08-03T09:37:04.546041Z 01O [36m# Resource at https://staging.gitlab.com/api/v4/projects/gitlab-e2e-sandbox-group-4%2Fe2e-test-2026-08-03-09-36-48-8bb1c23bce9441d8%2Fadd-member-project-83e816994985b2e9?private_token=[MASKED] could not be found (404): `{"message":"404 Project Not Found"}`.[0m
2026-08-03T09:37:04.546052Z 01O [36m# Correlation Id: a25457589a4ebcdd-ATL[0m
2026-08-03T09:37:04.546055Z 01O [36m# Sentry Url: https://new-sentry.gitlab.net/organizations/gitlab/issues/?environment=gstg&project=3&query=correlation_id%3A%22a25457589a4ebcdd-ATL%22[0m
2026-08-03T09:37:04.546061Z 01O [36m# Kibana - Discover Url: https://nonprod-log.gitlab.net/app/discover#/?_a=%28index:%27ed942d00-5186-11ea-ad8a-f3610a492295%27%2Cquery%3A%28language%3Akuery%2Cquery%3A%27json.correlation_id%20%3A%20%22a25457589a4ebcdd-ATL%22%27%29%29&_g=%28time%3A%28from%3A%272026-08-02T09:37:00.393Z%27%2Cto%3A%272026-08-03T09:37:00.393Z%27%29%29[0m
2026-08-03T09:37:04.546068Z 01O [36m# Kibana - Dashboard Url: https://nonprod-log.gitlab.net/app/dashboards#/view/b74dc030-6f56-11ed-9af2-6131f0ee4ce6?_g=%28time%3A%28from:%272026-08-02T09:37:00.393Z%27%2Cto%3A%272026-08-03T09:37:00.393Z%27%29%29&_a=%28filters%3A%21%28%28query%3A%28match_phrase%3A%28json.correlation_id%3A%27a25457589a4ebcdd-ATL%27%29%29%29%29%29[0m
2026-08-03T09:37:04.546076Z 01O [36m# ./qa/resource/api_fabricator.rb:93:in `api_get_from'[0m
2026-08-03T09:37:04.546079Z 01O
2026-08-03T09:37:04.546082Z 01O Finished in 36.63 seconds (files took 0.93066 seconds to load)
2026-08-03T09:37:04.546085Z 01O [31m1 example, 1 failure[0m
2026-08-03T09:37:04.546088Z 01O
2026-08-03T09:37:04.546090Z 01O Failed examples:
2026-08-03T09:37:04.546092Z 01O
2026-08-03T09:37:04.546095Z 01O [31mrspec ./qa/specs/features/browser_ui/9_tenant_scale/project/add_project_member_spec.rb:6[0m [36m# Tenant Scale Project Member adds a project member[0m
2026-08-03T09:37:04.546100Z 01O
2026-08-03T09:37:04.546102Z 01O
```
issue
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