Update the labels with Gitlab-ce 12.0.3
I use Gitlab-ce 12.0.3, when I try to add a label to a merge request by using the api, Gitlab server answers 500.
Here, the error log :
==> /var/log/gitlab/gitlab-rails/production.log <==
Started GET "/api/v4/projects/1/merge_requests/1" for 172.17.0.1 at 2019-07-26 13:12:32 +0000
Started PUT "/api/v4/projects/1/merge_requests/1?labels=%2Clop" for 172.17.0.1 at 2019-07-26 13:12:40 +0000
ArgumentError (comparison of NilClass with 2 failed):
/opt/gitlab/embedded/service/gitlab-rails/app/services/issuable_base_service.rb:303:in `sort'
/opt/gitlab/embedded/service/gitlab-rails/app/services/issuable_base_service.rb:303:in `labels_changing?'
/opt/gitlab/embedded/service/gitlab-rails/app/services/issuable_base_service.rb:202:in `update'
/opt/gitlab/embedded/service/gitlab-rails/app/services/merge_requests/update_service.rb:24:in `execute'
/opt/gitlab/embedded/service/gitlab-rails/lib/gitlab/metrics/instrumentation.rb:161:in `block in execute'
/opt/gitlab/embedded/service/gitlab-rails/lib/gitlab/metrics/method_call.rb:36:in `measure'
/opt/gitlab/embedded/service/gitlab-rails/lib/gitlab/metrics/instrumentation.rb:161:in `execute'
/opt/gitlab/embedded/service/gitlab-rails/lib/api/merge_requests.rb:342:in `block (2 levels) in <class:MergeRequests>'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/grape-1.1.0/lib/grape/endpoint.rb:57:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/grape-1.1.0/lib/grape/endpoint.rb:57:in `block (2 levels) in generate_api_method'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/activesupport-5.1.7/lib/active_support/notifications.rb:168:in `instrument'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/grape-1.1.0/lib/grape/endpoint.rb:56:in `block in generate_api_method'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/grape-1.1.0/lib/grape/endpoint.rb:262:in `block in run'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/activesupport-5.1.7/lib/active_support/notifications.rb:168:in `instrument'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/grape-1.1.0/lib/grape/endpoint.rb:243:in `run'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/grape-1.1.0/lib/grape/endpoint.rb:313:in `block in build_stack'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/grape-1.1.0/lib/grape/middleware/base.rb:31:in `call!'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/grape-1.1.0/lib/grape/middleware/base.rb:24:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/grape-1.1.0/lib/grape/middleware/base.rb:31:in `call!'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/grape-1.1.0/lib/grape/middleware/base.rb:24:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/rack-oauth2-1.9.3/lib/rack/oauth2/server/resource.rb:20:in `_call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/rack-oauth2-1.9.3/lib/rack/oauth2/server/resource/bearer.rb:8:in `_call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/rack-oauth2-1.9.3/lib/rack/oauth2/server/abstract/handler.rb:17:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/grape-1.1.0/lib/grape/middleware/error.rb:38:in `block in call!'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/grape-1.1.0/lib/grape/middleware/error.rb:37:in `catch'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/grape-1.1.0/lib/grape/middleware/error.rb:37:in `call!'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/grape-1.1.0/lib/grape/middleware/base.rb:24:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/grape_logging-1.7.0/lib/grape_logging/middleware/request_logger.rb:60:in `block in call!'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/grape_logging-1.7.0/lib/grape_logging/middleware/request_logger.rb:58:in `catch'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/grape_logging-1.7.0/lib/grape_logging/middleware/request_logger.rb:58:in `call!'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/grape-1.1.0/lib/grape/middleware/base.rb:24:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/rack-2.0.7/lib/rack/head.rb:12:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/grape-1.1.0/lib/grape/endpoint.rb:227:in `call!'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/grape-1.1.0/lib/grape/endpoint.rb:221:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/grape-1.1.0/lib/grape/router/route.rb:72:in `exec'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/grape-1.1.0/lib/grape/router.rb:121:in `process_route'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/grape-1.1.0/lib/grape/router.rb:74:in `block in identity'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/grape-1.1.0/lib/grape/router.rb:93:in `transaction'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/grape-1.1.0/lib/grape/router.rb:72:in `identity'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/grape-1.1.0/lib/grape/router.rb:57:in `block in call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/grape-1.1.0/lib/grape/router.rb:137:in `with_optimization'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/grape-1.1.0/lib/grape/router.rb:56:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/grape-1.1.0/lib/grape/api.rb:119:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/grape-1.1.0/lib/grape/api.rb:45:in `call!'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/grape-1.1.0/lib/grape/api.rb:40:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/actionpack-5.1.7/lib/action_dispatch/routing/mapper.rb:17:in `block in <class:Constraints>'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/actionpack-5.1.7/lib/action_dispatch/routing/mapper.rb:46:in `serve'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/actionpack-5.1.7/lib/action_dispatch/journey/router.rb:50:in `block in serve'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/actionpack-5.1.7/lib/action_dispatch/journey/router.rb:33:in `each'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/actionpack-5.1.7/lib/action_dispatch/journey/router.rb:33:in `serve'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/actionpack-5.1.7/lib/action_dispatch/routing/route_set.rb:844:in `call'
/opt/gitlab/embedded/service/gitlab-rails/lib/gitlab/middleware/rails_queue_duration.rb:27:in `call'
/opt/gitlab/embedded/service/gitlab-rails/lib/gitlab/metrics/rack_middleware.rb:17:in `block in call'
/opt/gitlab/embedded/service/gitlab-rails/lib/gitlab/metrics/transaction.rb:57:in `run'
/opt/gitlab/embedded/service/gitlab-rails/lib/gitlab/metrics/rack_middleware.rb:17:in `call'
/opt/gitlab/embedded/service/gitlab-rails/lib/gitlab/middleware/multipart.rb:103:in `call'
/opt/gitlab/embedded/service/gitlab-rails/lib/gitlab/request_profiler/middleware.rb:16:in `call'
/opt/gitlab/embedded/service/gitlab-rails/lib/gitlab/middleware/go.rb:20:in `call'
/opt/gitlab/embedded/service/gitlab-rails/lib/gitlab/etag_caching/middleware.rb:13:in `call'
/opt/gitlab/embedded/service/gitlab-rails/lib/gitlab/middleware/correlation_id.rb:16:in `block in call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/gitlab-labkit-0.3.0/lib/labkit/correlation/correlation_id.rb:18:in `use_id'
/opt/gitlab/embedded/service/gitlab-rails/lib/gitlab/middleware/correlation_id.rb:15:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/batch-loader-1.4.0/lib/batch_loader/middleware.rb:11:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/apollo_upload_server-2.0.0.beta.3/lib/apollo_upload_server/middleware.rb:20:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/rack-attack-4.4.1/lib/rack/attack.rb:107:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/warden-1.2.7/lib/warden/manager.rb:36:in `block in call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/warden-1.2.7/lib/warden/manager.rb:35:in `catch'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/warden-1.2.7/lib/warden/manager.rb:35:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/rack-cors-1.0.2/lib/rack/cors.rb:97:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/rack-2.0.7/lib/rack/etag.rb:25:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/rack-2.0.7/lib/rack/conditional_get.rb:38:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/rack-2.0.7/lib/rack/head.rb:12:in `call'
/opt/gitlab/embedded/service/gitlab-rails/lib/gitlab/middleware/read_only/controller.rb:40:in `call'
/opt/gitlab/embedded/service/gitlab-rails/lib/gitlab/middleware/read_only.rb:18:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/rack-2.0.7/lib/rack/session/abstract/id.rb:232:in `context'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/rack-2.0.7/lib/rack/session/abstract/id.rb:226:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/actionpack-5.1.7/lib/action_dispatch/middleware/cookies.rb:613:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/actionpack-5.1.7/lib/action_dispatch/middleware/callbacks.rb:26:in `block in call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/activesupport-5.1.7/lib/active_support/callbacks.rb:97:in `run_callbacks'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/actionpack-5.1.7/lib/action_dispatch/middleware/callbacks.rb:24:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/actionpack-5.1.7/lib/action_dispatch/middleware/debug_exceptions.rb:59:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/actionpack-5.1.7/lib/action_dispatch/middleware/show_exceptions.rb:31:in `call'
/opt/gitlab/embedded/service/gitlab-rails/lib/gitlab/middleware/basic_health_check.rb:25:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/railties-5.1.7/lib/rails/rack/logger.rb:36:in `call_app'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/railties-5.1.7/lib/rails/rack/logger.rb:24:in `block in call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/activesupport-5.1.7/lib/active_support/tagged_logging.rb:69:in `block in tagged'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/activesupport-5.1.7/lib/active_support/tagged_logging.rb:26:in `tagged'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/activesupport-5.1.7/lib/active_support/tagged_logging.rb:69:in `tagged'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/railties-5.1.7/lib/rails/rack/logger.rb:24:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/actionpack-5.1.7/lib/action_dispatch/middleware/remote_ip.rb:79:in `call'
/opt/gitlab/embedded/service/gitlab-rails/lib/gitlab/request_context.rb:26:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/request_store-1.3.1/lib/request_store/middleware.rb:9:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/actionpack-5.1.7/lib/action_dispatch/middleware/request_id.rb:25:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/rack-2.0.7/lib/rack/method_override.rb:22:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/rack-2.0.7/lib/rack/runtime.rb:22:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/actionpack-5.1.7/lib/action_dispatch/middleware/executor.rb:12:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/rack-2.0.7/lib/rack/sendfile.rb:111:in `call'
/opt/gitlab/embedded/service/gitlab-rails/lib/gitlab/metrics/requests_rack_middleware.rb:29:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/sentry-raven-2.9.0/lib/raven/integrations/rack.rb:51:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/railties-5.1.7/lib/rails/engine.rb:522:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/railties-5.1.7/lib/rails/railtie.rb:185:in `public_send'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/railties-5.1.7/lib/rails/railtie.rb:185:in `method_missing'
/opt/gitlab/embedded/service/gitlab-rails/lib/gitlab/middleware/release_env.rb:12:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/rack-2.0.7/lib/rack/urlmap.rb:68:in `block in call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/rack-2.0.7/lib/rack/urlmap.rb:53:in `each'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/rack-2.0.7/lib/rack/urlmap.rb:53:in `call'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/unicorn-5.4.1/lib/unicorn/http_server.rb:606:in `process_client'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/unicorn-worker-killer-0.4.4/lib/unicorn/worker_killer.rb:52:in `process_client'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/unicorn-5.4.1/lib/unicorn/http_server.rb:701:in `worker_loop'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/unicorn-5.4.1/lib/unicorn/http_server.rb:549:in `spawn_missing_workers'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/unicorn-5.4.1/lib/unicorn/http_server.rb:142:in `start'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/unicorn-5.4.1/bin/unicorn:126:in `<top (required)>'
/opt/gitlab/embedded/bin/unicorn:23:in `load'
/opt/gitlab/embedded/bin/unicorn:23:in `<top (required)>'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/bundler-1.17.3/lib/bundler/cli/exec.rb:74:in `load'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/bundler-1.17.3/lib/bundler/cli/exec.rb:74:in `kernel_load'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/bundler-1.17.3/lib/bundler/cli/exec.rb:28:in `run'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/bundler-1.17.3/lib/bundler/cli.rb:463:in `exec'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/bundler-1.17.3/lib/bundler/vendor/thor/lib/thor/command.rb:27:in `run'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/bundler-1.17.3/lib/bundler/vendor/thor/lib/thor/invocation.rb:126:in `invoke_command'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/bundler-1.17.3/lib/bundler/vendor/thor/lib/thor.rb:387:in `dispatch'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/bundler-1.17.3/lib/bundler/cli.rb:27:in `dispatch'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/bundler-1.17.3/lib/bundler/vendor/thor/lib/thor/base.rb:466:in `start'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/bundler-1.17.3/lib/bundler/cli.rb:18:in `start'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/bundler-1.17.3/exe/bundle:30:in `block in <top (required)>'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/bundler-1.17.3/lib/bundler/friendly_errors.rb:124:in `with_friendly_errors'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/bundler-1.17.3/exe/bundle:22:in `<top (required)>'
/opt/gitlab/embedded/bin/bundle:23:in `load'
/opt/gitlab/embedded/bin/bundle:23:in `<main>'
==> /var/log/gitlab/gitlab-rails/api_json.log <==
{"time":"2019-07-26T13:12:39.923Z","severity":"INFO","duration":2619.42,"db":210.97,"view":2408.4500000000003,"status":200,"method":"GET","path":"/api/v4/projects/1/merge_requests/1","params":[],"host":"localhost","ip":"172.17.0.1, 127.0.0.1","ua":"org.gitlab.api.GitlabAPI/1.8.0_212","route":"/api/:version/projects/:id/merge_requests/:merge_request_iid","user_id":1,"username":"root","queue_duration":4376.62,"gitaly_calls":0,"gitaly_duration":0,"correlation_id":"dAHlFbGhpI6"}
{"time":"2019-07-26T13:12:40.276Z","severity":"INFO","duration":216.95,"db":73.16,"view":143.79,"status":500,"method":"PUT","path":"/api/v4/projects/1/merge_requests/1","params":[{"key":"labels","value":",lop"}],"host":"localhost","ip":"172.17.0.1, 127.0.0.1","ua":"org.gitlab.api.GitlabAPI/1.8.0_212","route":"/api/:version/projects/:id/merge_requests/:merge_request_iid","user_id":1,"username":"root","queue_duration":45.88,"gitaly_calls":0,"gitaly_duration":0,"correlation_id":"6GPjHRcEJA4"}
==> /var/log/gitlab/gitlab-workhorse/current <==
{"correlation_id":"dAHlFbGhpI6","duration":7.001753546,"host":"localhost:8080","level":"info","method":"GET","msg":"access","proto":"HTTP/1.1","referer":"","remoteAddr":"127.0.0.1:0","remoteIp":"127.0.0.1","status":200,"system":"http","time":"2019-07-26T13:12:39Z","uri":"/api/v4/projects/1/merge_requests/1","userAgent":"org.gitlab.api.GitlabAPI/1.8.0_212","written":1577}
{"correlation_id":"6GPjHRcEJA4","duration":0.269103905,"host":"localhost:8080","level":"info","method":"PUT","msg":"access","proto":"HTTP/1.1","referer":"","remoteAddr":"127.0.0.1:0","remoteIp":"127.0.0.1","status":500,"system":"http","time":"2019-07-26T13:12:40Z","uri":"/api/v4/projects/1/merge_requests/1?labels=%2Clop","userAgent":"org.gitlab.api.GitlabAPI/1.8.0_212","written":39}
==> /var/log/gitlab/nginx/gitlab_access.log <==
172.17.0.1 - - [26/Jul/2019:13:12:39 +0000] "GET /api/v4/projects/1/merge_requests/1 HTTP/1.1" 200 1577 "" "org.gitlab.api.GitlabAPI/1.8.0_212"
172.17.0.1 - - [26/Jul/2019:13:12:40 +0000] "PUT /api/v4/projects/1/merge_requests/1?labels=%2Clop HTTP/1.1" 500 39 "" "org.gitlab.api.GitlabAPI/1.8.0_212"
I thank you for your help
Best regard. Seb.
Edited by Sébastien Nicaisse