제목이나 주제 본문에 "math"라는 텍스트가 포함된 새 주제를 생성하려고 하면 “500 error” 팝업이 표시됩니다. 카테고리는 어떤 것이든 관계없는 것 같습니다. "math"라는 태그는 존재하지만, 오류를 유발하는 샘플 게시글에는 태그가 지정되어 있지 않습니다. "m ath"와 같은 다른 철자로 게시글을 작성하면, 사용자가 나중에 "m ath"를 "math"로 수정하는 데에는 문제가 없습니다. 주제 생성 과정에서 실패하는 것으로 보입니다.
도움을 주시면 감사하겠습니다.
.
오류 로그에는 다음과 같이 보고됩니다:
NoMethodError (undefined method split’ for nil:NilClass) lib/topic_creator.rb:184:in block in setup_tags' lib/topic_creator.rb:183:in each’ lib/topic_creator.rb:183:in setup_tags' lib/topic_creato
그리고 백트레이스는 다음과 같습니다:
lib/topic_creator.rb:184:in `block in setup_tags'
lib/topic_creator.rb:183:in `each'
lib/topic_creator.rb:183:in `setup_tags'
lib/topic_creator.rb:49:in `create'
lib/post_creator.rb:506:in `create_topic'
lib/post_creator.rb:207:in `block in create'
lib/post_creator.rb:402:in `block in transaction'
activerecord (7.0.3) lib/active_record/connection_adapters/abstract/transaction.rb:319:in `block in within_new_transaction'
activesupport (7.0.3) lib/active_support/concurrency/load_interlock_aware_monitor.rb:25:in `handle_interrupt'
activesupport (7.0.3) lib/active_support/concurrency/load_interlock_aware_monitor.rb:25:in `block in synchronize'
activesupport (7.0.3) lib/active_support/concurrency/load_interlock_aware_monitor.rb:21:in `handle_interrupt'
activesupport (7.0.3) lib/active_support/concurrency/load_interlock_aware_monitor.rb:21:in `synchronize'
activerecord (7.0.3) lib/active_record/connection_adapters/abstract/transaction.rb:317:in `within_new_transaction'
activerecord (7.0.3) lib/active_record/connection_adapters/abstract/database_statements.rb:316:in `transaction'
activerecord (7.0.3) lib/active_record/transactions.rb:209:in `transaction'
lib/post_creator.rb:401:in `transaction'
lib/post_creator.rb:205:in `create'
lib/new_post_manager.rb:285:in `perform_create_post'
lib/new_post_manager.rb:223:in `perform'
app/controllers/posts_controller.rb:196:in `create'
actionpack (7.0.3) lib/action_controller/metal/basic_implicit_render.rb:6:in `send_action'
actionpack (7.0.3) lib/abstract_controller/base.rb:215:in `process_action'
actionpack (7.0.3) lib/action_controller/metal/rendering.rb:53:in `process_action'
actionpack (7.0.3) lib/abstract_controller/callbacks.rb:234:in `block in process_action'
activesupport (7.0.3) lib/active_support/callbacks.rb:118:in `block in run_callbacks'
app/controllers/application_controller.rb:415:in `block in with_resolved_locale'
i18n (1.10.0) lib/i18n.rb:328:in `with_locale'
app/controllers/application_controller.rb:415:in `with_resolved_locale'
activesupport (7.0.3) lib/active_support/callbacks.rb:127:in `block in run_callbacks'
activesupport (7.0.3) lib/active_support/callbacks.rb:138:in `run_callbacks'
actionpack (7.0.3) lib/abstract_controller/callbacks.rb:233:in `process_action'
actionpack (7.0.3) lib/action_controller/metal/rescue.rb:22:in `process_action'
actionpack (7.0.3) lib/action_controller/metal/instrumentation.rb:67:in `block in process_action'
activesupport (7.0.3) lib/active_support/notifications.rb:206:in `block in instrument'
activesupport (7.0.3) lib/active_support/notifications/instrumenter.rb:24:in `instrument'
activesupport (7.0.3) lib/active_support/notifications.rb:206:in `instrument'
actionpack (7.0.3) lib/action_controller/metal/instrumentation.rb:66:in `process_action'
actionpack (7.0.3) lib/action_controller/metal/params_wrapper.rb:259:in `process_action'
activerecord (7.0.3) lib/active_record/railties/controller_runtime.rb:27:in `process_action'
actionpack (7.0.3) lib/abstract_controller/base.rb:151:in `process'
actionview (7.0.3) lib/action_view/rendering.rb:39:in `process'
rack-mini-profiler (3.0.0) lib/mini_profiler/profiling_methods.rb:85:in `block in profile_method'
actionpack (7.0.3) lib/action_controller/metal.rb:188:in `dispatch'
actionpack (7.0.3) lib/action_controller/metal.rb:251:in `dispatch'
actionpack (7.0.3) lib/action_dispatch/routing/route_set.rb:49:in `dispatch'
actionpack (7.0.3) lib/action_dispatch/routing/route_set.rb:32:in `serve'
actionpack (7.0.3) lib/action_dispatch/journey/router.rb:50:in `block in serve'
actionpack (7.0.3) lib/action_dispatch/journey/router.rb:32:in `each'
actionpack (7.0.3) lib/action_dispatch/journey/router.rb:32:in `serve'
actionpack (7.0.3) lib/action_dispatch/routing/route_set.rb:852:in `call'
lib/middleware/omniauth_bypass_middleware.rb:71:in `call'
rack (2.2.3.1) lib/rack/tempfile_reaper.rb:15:in `call'
rack (2.2.3.1) lib/rack/conditional_get.rb:40:in `call'
rack (2.2.3.1) lib/rack/head.rb:12:in `call'
actionpack (7.0.3) lib/action_dispatch/http/permissions_policy.rb:38:in `call'
lib/content_security_policy/middleware.rb:12:in `call'
lib/middleware/anonymous_cache.rb:368:in `call'
rack (2.2.3.1) lib/rack/session/abstract/id.rb:266:in `context'
rack (2.2.3.1) lib/rack/session/abstract/id.rb:260:in `call'
actionpack (7.0.3) lib/action_dispatch/middleware/cookies.rb:697:in `call'
actionpack (7.0.3) lib/action_dispatch/middleware/callbacks.rb:27:in `block in call'
activesupport (7.0.3) lib/active_support/callbacks.rb:99:in `run_callbacks'
actionpack (7.0.3) lib/action_dispatch/middleware/callbacks.rb:26:in `call'
actionpack (7.0.3) lib/action_dispatch/middleware/debug_exceptions.rb:28:in `call'
actionpack (7.0.3) lib/action_dispatch/middleware/show_exceptions.rb:26:in `call'
logster (2.11.2) lib/logster/middleware/reporter.rb:43:in `call'
railties (7.0.3) lib/rails/rack/logger.rb:40:in `call_app'
railties (7.0.3) lib/rails/rack/logger.rb:27:in `call'
config/initializers/100-quiet_logger.rb:23:in `call'
config/initializers/100-silence_logger.rb:31:in `call'
actionpack (7.0.3) lib/action_dispatch/middleware/remote_ip.rb:93:in `call'
actionpack (7.0.3) lib/action_dispatch/middleware/request_id.rb:26:in `call'
lib/middleware/enforce_hostname.rb:23:in `call'
rack (2.2.3.1) lib/rack/method_override.rb:24:in `call'
actionpack (7.0.3) lib/action_dispatch/middleware/executor.rb:14:in `call'
rack (2.2.3.1) lib/rack/sendfile.rb:110:in `call'
actionpack (7.0.3) lib/action_dispatch/middleware/host_authorization.rb:131:in `call'
rack-mini-profiler (3.0.0) lib/mini_profiler/profiler.rb:249:in `call'
message_bus (4.2.0) lib/message_bus/rack/middleware.rb:60:in `call'
lib/middleware/request_tracker.rb:202:in `call'
railties (7.0.3) lib/rails/engine.rb:530:in `call'
railties (7.0.3) lib/rails/railtie.rb:226:in `public_send'
railties (7.0.3) lib/rails/railtie.rb:226:in `method_missing'
rack (2.2.3.1) lib/rack/urlmap.rb:74:in `block in call'
rack (2.2.3.1) lib/rack/urlmap.rb:58:in `each'
rack (2.2.3.1) lib/rack/urlmap.rb:58:in `call'
unicorn (6.1.0) lib/unicorn/http_server.rb:634:in `process_client'
unicorn (6.1.0) lib/unicorn/http_server.rb:739:in `worker_loop'
unicorn (6.1.0) lib/unicorn/http_server.rb:547:in `spawn_missing_workers'
unicorn (6.1.0) lib/unicorn/http_server.rb:143:in `start'
unicorn (6.1.0) bin/unicorn:128:in `<top (required)>'
vendor/bundle/ruby/2.7.0/bin/unicorn:25:in `load'
vendor/bundle/ruby/2.7.0/bin/unicorn:25:in `<main>'