Hi! 

I've installed OpenProject via the docker container. When I try to attach a file to a work package all seems to work fine. OP says "uploading file" and then the error message "Internal error" show up.

Any help would be most appreciated!

/Jan B

System:

Docker image running on Ubuntu 16.04

web_stdout.log error msgs

App 497 output: Started POST "/api/v3/work_packages/51/attachments" for xxx.xxx.xxx.xxx at 2018-11-29 06:30:16 +0000 
App 497 output:   Grape rescuing from error: API::Errors::InternalError 
App 497 output:  
App 497 output:   Original error: #:0x000056443b0827a0>>  App 497 output:   App 497 output:   Stacktrace:  App 497 output:   App 497 output:     /usr/src/app/lib/api/v3/attachments/attachments_by_container_api.rb:105:inlog\_attachment\_saving_error'  App 497 output:     /usr/src/app/lib/api/v3/attachments/attachments\_by\_container_api.rb:95:in rescue in with_handled_create_errors'  App 497 output:     /usr/src/app/lib/api/v3/attachments/attachments_by_container_api.rb:90:inwith\_handled\_create_errors'  App 497 output:     /usr/src/app/lib/api/v3/attachments/attachments\_by\_container_api.rb:84:in build_and_attach'  App 497 output:     /usr/src/app/lib/api/v3/attachments/attachments_by_container_api.rb:74:inparse\_and\_create'  App 497 output:     /usr/src/app/lib/api/v3/attachments/attachments\_by\_container_api.rb:128:in block in create'  App 497 output:     /usr/local/bundle/gems/grape-1.1.0/lib/grape/endpoint.rb:57:incall'  App 497 output:     /usr/local/bundle/gems/grape-1.1.0/lib/grape/endpoint.rb:57:in block (2 levels) in generate_api_method'  App 497 output:     /usr/local/bundle/gems/activesupport-5.1.6/lib/active_support/notifications.rb:168:ininstrument'  App 497 output:     /usr/local/bundle/gems/grape-1.1.0/lib/grape/endpoint.rb:56:in block in generate_api_method'  App 497 output:     /usr/local/bundle/gems/grape-1.1.0/lib/grape/endpoint.rb:262:inblock in run'  App 497 output:     /usr/local/bundle/gems/activesupport-5.1.6/lib/active_support/notifications.rb:168:in instrument'  App 497 output:     /usr/local/bundle/gems/grape-1.1.0/lib/grape/endpoint.rb:243:inrun'  App 497 output:     /usr/local/bundle/gems/grape-1.1.0/lib/grape/endpoint.rb:313:in block in build_stack'  App 497 output:     /usr/local/bundle/gems/newrelic_rpm-4.5.0.337/lib/new_relic/agent/instrumentation/middleware_tracing.rb:92:incall'  App 497 output:     /usr/local/bundle/gems/grape-1.1.0/lib/grape/middleware/base.rb:31:in call!'  App 497 output:     /usr/local/bundle/gems/grape-1.1.0/lib/grape/middleware/base.rb:24:incall'  App 497 output:     /usr/local/bundle/gems/newrelic\_rpm-4.5.0.337/lib/new\_relic/agent/instrumentation/middleware_tracing.rb:92:in call'  App 497 output:     /usr/local/bundle/gems/grape-1.1.0/lib/grape/middleware/base.rb:31:incall!'  App 497 output:     /usr/local/bundle/gems/grape-1.1.0/lib/grape/middleware/base.rb:24:in call'  App 497 output:     /usr/local/bundle/gems/newrelic_rpm-4.5.0.337/lib/new_relic/agent/instrumentation/middleware_tracing.rb:92:incall'  App 497 output:     /usr/local/bundle/gems/warden-1.2.7/lib/warden/manager.rb:36:in block in call'  App 497 output:     /usr/local/bundle/gems/warden-1.2.7/lib/warden/manager.rb:35:incatch'  App 497 output:     /usr/local/bundle/gems/warden-1.2.7/lib/warden/manager.rb:35:in call'  App 497 output:     /usr/local/bundle/gems/newrelic_rpm-4.5.0.337/lib/new_relic/agent/instrumentation/middleware_tracing.rb:92:incall'  App 497 output:     /usr/local/bundle/gems/grape-1.1.0/lib/grape/middleware/error.rb:38:in block in call!'  App 497 output:     /usr/local/bundle/gems/grape-1.1.0/lib/grape/middleware/error.rb:37:incatch'  App 497 output:     /usr/local/bundle/gems/grape-1.1.0/lib/grape/middleware/error.rb:37:in call!'  App 497 output:     /usr/local/bundle/gems/grape-1.1.0/lib/grape/middleware/base.rb:24:incall'  App 497 output:     /usr/local/bundle/gems/newrelic\_rpm-4.5.0.337/lib/new\_relic/agent/instrumentation/middleware_tracing.rb:92:in call'  App 497 output:     /usr/local/bundle/gems/rack-2.0.5/lib/rack/head.rb:12:incall'  App 497 output:     /usr/local/bundle/gems/newrelic\_rpm-4.5.0.337/lib/new\_relic/agent/instrumentation/middleware_tracing.rb:92:in call'  App 497 output:     /usr/local/bundle/gems/grape-1.1.0/lib/grape/endpoint.rb:227:incall!'  App 497 output:     /usr/local/bundle/gems/grape-1.1.0/lib/grape/endpoint.rb:221:in call'  App 497 output:     /usr/local/bundle/gems/grape-1.1.0/lib/grape/router/route.rb:72:inexec'  App 497 output:     /usr/local/bundle/gems/grape-1.1.0/lib/grape/router.rb:121:in process_route'  App 497 output:     /usr/local/bundle/gems/grape-1.1.0/lib/grape/router.rb:74:inblock in identity'  App 497 output:     /usr/local/bundle/gems/grape-1.1.0/lib/grape/router.rb:93:in transaction'  App 497 output:     /usr/local/bundle/gems/grape-1.1.0/lib/grape/router.rb:72:inidentity'  App 497 output:     /usr/local/bundle/gems/grape-1.1.0/lib/grape/router.rb:57:in block in call'  App 497 output:     /usr/local/bundle/gems/grape-1.1.0/lib/grape/router.rb:137:inwith_optimization'  App 497 output:     /usr/local/bundle/gems/grape-1.1.0/lib/grape/router.rb:56:in call'  App 497 output:     /usr/local/bundle/gems/grape-1.1.0/lib/grape/api.rb:119:incall'  App 497 output:     /usr/local/bundle/gems/newrelic\_rpm-4.5.0.337/lib/new\_relic/agent/instrumentation/grape.rb:115:in call_with_new_relic'  App 497 output:     /usr/local/bundle/gems/grape-1.1.0/lib/grape/api.rb:45:incall!'  App 497 output:     /usr/local/bundle/gems/grape-1.1.0/lib/grape/api.rb:40:in call'  App 497 output:     /usr/local/bundle/gems/actionpack-5.1.6/lib/action_dispatch/routing/mapper.rb:17:inblock in [class:Constraints](class:Constraints)'  App 497 output:     /usr/local/bundle/gems/actionpack-5.1.6/lib/action_dispatch/routing/mapper.rb:46:in serve'  App 497 output:     /usr/local/bundle/gems/actionpack-5.1.6/lib/action_dispatch/journey/router.rb:50:inblock in serve'  App 497 output:     /usr/local/bundle/gems/actionpack-5.1.6/lib/action_dispatch/journey/router.rb:33:in each'  App 497 output:     /usr/local/bundle/gems/actionpack-5.1.6/lib/action_dispatch/journey/router.rb:33:inserve'  App 497 output:     /usr/local/bundle/gems/actionpack-5.1.6/lib/action\_dispatch/routing/route\_set.rb:844:in call'  App 497 output:     /usr/local/bundle/gems/newrelic_rpm-4.5.0.337/lib/new_relic/agent/instrumentation/middleware_tracing.rb:92:incall'  App 497 output:     /usr/local/bundle/bundler/gems/omniauth-40c6f5f751d2/lib/omniauth/builder.rb:63:in call'  App 497 output:     /usr/local/bundle/gems/newrelic_rpm-4.5.0.337/lib/new_relic/agent/instrumentation/middleware_tracing.rb:92:incall'  App 497 output:     /usr/local/bundle/bundler/gems/omniauth-40c6f5f751d2/lib/omniauth/strategy.rb:189:in call!'  App 497 output:     /usr/local/bundle/bundler/gems/omniauth-40c6f5f751d2/lib/omniauth/strategy.rb:167:incall'  App 497 output:     /usr/local/bundle/gems/newrelic\_rpm-4.5.0.337/lib/new\_relic/agent/instrumentation/middleware_tracing.rb:92:in call'  App 497 output:     /usr/local/bundle/bundler/gems/omniauth-40c6f5f751d2/lib/omniauth/builder.rb:63:incall'  App 497 output:     /usr/local/bundle/gems/newrelic\_rpm-4.5.0.337/lib/new\_relic/agent/instrumentation/middleware_tracing.rb:92:in call'  App 497 output:     /usr/local/bundle/gems/newrelic_rpm-4.5.0.337/lib/new_relic/rack/agent_hooks.rb:30:intraced_call'  App 497 output:     /usr/local/bundle/gems/newrelic\_rpm-4.5.0.337/lib/new\_relic/agent/instrumentation/middleware_tracing.rb:92:in call'  App 497 output:     /usr/local/bundle/gems/newrelic_rpm-4.5.0.337/lib/new_relic/rack/browser_monitoring.rb:32:intraced_call'  App 497 output:     /usr/local/bundle/gems/newrelic\_rpm-4.5.0.337/lib/new\_relic/agent/instrumentation/middleware_tracing.rb:92:in call'  App 497 output:     /usr/local/bundle/bundler/gems/omniauth-40c6f5f751d2/lib/omniauth/builder.rb:63:incall'  App 497 output:     /usr/local/bundle/gems/newrelic\_rpm-4.5.0.337/lib/new\_relic/agent/instrumentation/middleware_tracing.rb:92:in call'  App 497 output:     /usr/src/app/app/middleware/reset_current_user.rb:47:incall'  App 497 output:     /usr/local/bundle/gems/newrelic\_rpm-4.5.0.337/lib/new\_relic/agent/instrumentation/middleware_tracing.rb:92:in call'  App 497 output:     /usr/local/bundle/gems/rack-2.0.5/lib/rack/tempfile_reaper.rb:15:incall'  App 497 output:     /usr/local/bundle/gems/newrelic\_rpm-4.5.0.337/lib/new\_relic/agent/instrumentation/middleware_tracing.rb:92:in call'  App 497 output:     /usr/local/bundle/gems/rack-attack-5.2.0/lib/rack/attack.rb:172:incall'  App 497 output:     /usr/local/bundle/gems/newrelic\_rpm-4.5.0.337/lib/new\_relic/agent/instrumentation/middleware_tracing.rb:92:in call'  App 497 output:     /usr/local/bundle/gems/rack-2.0.5/lib/rack/etag.rb:25:incall'  App 497 output:     /usr/local/bundle/gems/newrelic\_rpm-4.5.0.337/lib/new\_relic/agent/instrumentation/middleware_tracing.rb:92:in call'  App 497 output:     /usr/local/bundle/gems/rack-2.0.5/lib/rack/deflater.rb:34:incall'  App 497 output:     /usr/local/bundle/gems/newrelic\_rpm-4.5.0.337/lib/new\_relic/agent/instrumentation/middleware_tracing.rb:92:in call'  App 497 output:     /usr/local/bundle/gems/rack-2.0.5/lib/rack/conditional_get.rb:38:incall'  App 497 output:     /usr/local/bundle/gems/newrelic\_rpm-4.5.0.337/lib/new\_relic/agent/instrumentation/middleware_tracing.rb:92:in call'  App 497 output:     /usr/local/bundle/gems/rack-2.0.5/lib/rack/head.rb:12:incall'  App 497 output:     /usr/local/bundle/gems/newrelic\_rpm-4.5.0.337/lib/new\_relic/agent/instrumentation/middleware_tracing.rb:92:in call'  App 497 output:     /usr/local/bundle/gems/rack-2.0.5/lib/rack/session/abstract/id.rb:232:incontext'  App 497 output:     /usr/local/bundle/gems/rack-2.0.5/lib/rack/session/abstract/id.rb:226:in call'  App 497 output:     /usr/local/bundle/gems/newrelic_rpm-4.5.0.337/lib/new_relic/agent/instrumentation/middleware_tracing.rb:92:incall'  App 497 output:     /usr/local/bundle/gems/ac  App 497 output: tionpack-5.1.6/lib/action_dispatch/middleware/cookies.rb:613:in call'  App 497 output:     /usr/local/bundle/gems/newrelic_rpm-4.5.0.337/lib/new_relic/agent/instrumentation/middleware_tracing.rb:92:incall'  App 497 output:     /usr/local/bundle/gems/actionpack-5.1.6/lib/action_dispatch/middleware/callbacks.rb:26:in block in call'  App 497 output:     /usr/local/bundle/gems/activesupport-5.1.6/lib/active_support/callbacks.rb:97:inrun_callbacks'  App 497 output:     /usr/local/bundle/gems/actionpack-5.1.6/lib/action_dispatch/middleware/callbacks.rb:24:in call'  App 497 output:     /usr/local/bundle/gems/newrelic_rpm-4.5.0.337/lib/new_relic/agent/instrumentation/middleware_tracing.rb:92:incall'  App 497 output:     /usr/local/bundle/gems/actionpack-5.1.6/lib/action\_dispatch/middleware/debug\_exceptions.rb:59:in call'  App 497 output:     /usr/local/bundle/gems/newrelic_rpm-4.5.0.337/lib/new_relic/agent/instrumentation/middleware_tracing.rb:92:incall'  App 497 output:     /usr/local/bundle/gems/actionpack-5.1.6/lib/action\_dispatch/middleware/show\_exceptions.rb:31:in call'  App 497 output:     /usr/local/bundle/gems/newrelic_rpm-4.5.0.337/lib/new_relic/agent/instrumentation/middleware_tracing.rb:92:incall'  App 497 output:     /usr/local/bundle/gems/railties-5.1.6/lib/rails/rack/logger.rb:36:in call_app'  App 497 output:     /usr/local/bundle/gems/railties-5.1.6/lib/rails/rack/logger.rb:24:inblock in call'  App 497 output:     /usr/local/bundle/gems/activesupport-5.1.6/lib/active\_support/tagged\_logging.rb:69:in block in tagged'  App 497 output:     /usr/local/bundle/gems/activesupport-5.1.6/lib/active_support/tagged_logging.rb:26:intagged'  App 497 output:     /usr/local/bundle/gems/activesupport-5.1.6/lib/active\_support/tagged\_logging.rb:69:in tagged'  App 497 output:     /usr/local/bundle/gems/railties-5.1.6/lib/rails/rack/logger.rb:24:incall'  App 497 output:     /usr/local/bundle/gems/newrelic\_rpm-4.5.0.337/lib/new\_relic/agent/instrumentation/middleware_tracing.rb:92:in call'  App 497 output:     /usr/local/bundle/gems/actionpack-5.1.6/lib/action_dispatch/middleware/remote_ip.rb:79:incall'  App 497 output:     /usr/local/bundle/gems/newrelic\_rpm-4.5.0.337/lib/new\_relic/agent/instrumentation/middleware_tracing.rb:92:in call'  App 497 output:     /usr/local/bundle/gems/request_store-1.4.1/lib/request_store/middleware.rb:19:incall'  App 497 output:     /usr/local/bundle/gems/newrelic\_rpm-4.5.0.337/lib/new\_relic/agent/instrumentation/middleware_tracing.rb:92:in call'  App 497 output:     /usr/local/bundle/gems/actionpack-5.1.6/lib/action_dispatch/middleware/request_id.rb:25:incall'  App 497 output:     /usr/local/bundle/gems/newrelic\_rpm-4.5.0.337/lib/new\_relic/agent/instrumentation/middleware_tracing.rb:92:in call'  App 497 output:     /usr/local/bundle/gems/rack-2.0.5/lib/rack/method_override.rb:22:incall'  App 497 output:     /usr/local/bundle/gems/newrelic\_rpm-4.5.0.337/lib/new\_relic/agent/instrumentation/middleware_tracing.rb:92:in call'  App 497 output:     /usr/local/bundle/gems/rack-2.0.5/lib/rack/runtime.rb:22:incall'  App 497 output:     /usr/local/bundle/gems/newrelic\_rpm-4.5.0.337/lib/new\_relic/agent/instrumentation/middleware_tracing.rb:92:in call'  App 497 output:     /usr/local/bundle/gems/activesupport-5.1.6/lib/active_support/cache/strategy/local_cache_middleware.rb:27:incall'  App 497 output:     /usr/local/bundle/gems/newrelic\_rpm-4.5.0.337/lib/new\_relic/agent/instrumentation/middleware_tracing.rb:92:in call'  App 497 output:     /usr/local/bundle/gems/actionpack-5.1.6/lib/action_dispatch/middleware/executor.rb:12:incall'  App 497 output:     /usr/local/bundle/gems/newrelic\_rpm-4.5.0.337/lib/new\_relic/agent/instrumentation/middleware_tracing.rb:92:in call'  App 497 output:     /usr/local/bundle/gems/actionpack-5.1.6/lib/action_dispatch/middleware/static.rb:125:incall'  App 497 output:     /usr/local/bundle/gems/newrelic\_rpm-4.5.0.337/lib/new\_relic/agent/instrumentation/middleware_tracing.rb:92:in call'  App 497 output:     /usr/local/bundle/gems/rack-2.0.5/lib/rack/sendfile.rb:111:incall'  App 497 output:     /usr/local/bundle/gems/newrelic\_rpm-4.5.0.337/lib/new\_relic/agent/instrumentation/middleware_tracing.rb:92:in call'  App 497 output:     /usr/local/bundle/gems/secure_headers-5.0.5/lib/secure_headers/middleware.rb:13:incall'  App 497 output:     /usr/local/bundle/gems/newrelic\_rpm-4.5.0.337/lib/new\_relic/agent/instrumentation/middleware_tracing.rb:92:in call'  App 497 output:     /usr/local/bundle/gems/railties-5.1.6/lib/rails/engine.rb:522:incall'  App 497 output:     /usr/local/bundle/gems/railties-5.1.6/lib/rails/railtie.rb:185:in public_send'  App 497 output:     /usr/local/bundle/gems/railties-5.1.6/lib/rails/railtie.rb:185:inmethod_missing'  App 497 output:     /usr/local/bundle/gems/newrelic\_rpm-4.5.0.337/lib/new\_relic/agent/instrumentation/middleware_tracing.rb:92:in call'  App 497 output:     /usr/local/bundle/gems/rack-protection-2.0.1/lib/rack/protection/frame_options.rb:31:incall'  App 497 output:     /usr/local/bundle/gems/newrelic\_rpm-4.5.0.337/lib/new\_relic/agent/instrumentation/middleware_tracing.rb:92:in call'  App 497 output:     /usr/local/bundle/gems/rack-protection-2.0.1/lib/rack/protection/json_csrf.rb:26:incall'  App 497 output:     /usr/local/bundle/gems/newrelic\_rpm-4.5.0.337/lib/new\_relic/agent/instrumentation/middleware_tracing.rb:92:in call'  App 497 output:     /usr/local/bundle/gems/rack-2.0.5/lib/rack/urlmap.rb:68:inblock in call'  App 497 output:     /usr/local/bundle/gems/rack-2.0.5/lib/rack/urlmap.rb:53:in each'  App 497 output:     /usr/local/bundle/gems/rack-2.0.5/lib/rack/urlmap.rb:53:incall'  App 497 output:     /usr/local/bundle/gems/newrelic\_rpm-4.5.0.337/lib/new\_relic/agent/instrumentation/middleware_tracing.rb:92:in call'  App 497 output:     /usr/local/bundle/gems/passenger-5.3.3/src/ruby_supportlib/phusion_passenger/rack/thread_handler_extension.rb:97:inprocess_request'  App 497 output:     /usr/local/bundle/gems/passenger-5.3.3/src/ruby\_supportlib/phusion\_passenger/request\_handler/thread\_handler.rb:157:in accept_and_process_next_request'  App 497 output:     /usr/local/bundle/gems/passenger-5.3.3/src/ruby_supportlib/phusion_passenger/request_handler/thread_handler.rb:110:inmain_loop'  App 497 output:     /usr/local/bundle/gems/passenger-5.3.3/src/ruby\_supportlib/phusion\_passenger/request_handler.rb:415:in block (3 levels) in start_threads'  App 497 output:     /usr/local/bundle/gems/passenger-5.3.3/src/ruby_supportlib/phusion_passenger/utils.rb:113:in`block in create_thread_and_abort_on_exception' 
[ N 2018-11-29 06:32:23.4891 404/T3 age/Cor/CoreMain.cpp:1028 ]: Checking whether to disconnect long-running connections for process 2117, application /usr/src/app (production)