No error handlig of "Unable to create the Ontotext Repository - - 504"

[sdalgard]

When creating a new sparql endpoint the creation of the ontotext repository can fail.
This has to be catched and communicated to the user.

Now it only stays at the "new" page without any message.

Started GET "/steffendalgard/sparql_endpoints/new/273" for 10.0.2.2 at 2017-02-14 12:17:28 +0100
Cannot render console from 10.0.2.2! Allowed networks: 127.0.0.0/127.255.255.255, ::1
Processing by SparqlEndpointsController#new as HTML
  Parameters: {"username"=>"steffendalgard", "wiz_id"=>"273"}
  User Load (1.1ms)  SELECT  "users".* FROM "users" WHERE "users"."id" = $1 ORDER BY "users"."id" ASC LIMIT $2  [["id", 1], ["LIMIT", 1]]
  Rendering sparql_endpoints/new.html.slim within layouts/application
Has keyword_list <>
Read meta_keyword_list <>
  Rendered things/_elem_edit_keywords.html.slim (51.8ms)
  Rendered sparql_endpoints/_form.html.slim (220.6ms)
  Rendered sparql_endpoints/new.html.slim within layouts/application (248.0ms)
Completed 200 OK in 455ms (Views: 423.0ms | ActiveRecord: 10.4ms)


Started POST "/steffendalgard/sparql_endpoints/" for 10.0.2.2 at 2017-02-14 12:17:57 +0100
Cannot render console from 10.0.2.2! Allowed networks: 127.0.0.0/127.255.255.255, ::1
Processing by SparqlEndpointsController#create as HTML
  Parameters: {"utf8"=>"✓", "wiz_id"=>"273", "sparql_endpoint"=>{"name"=>"My first Sim endpoint", "description"=>"", "public"=>"1", "meta_keyword_list"=>"", "license"=>"CC0"}, "commit"=>"Save and show endpoint page", "username"=>"steffendalgard"}
  User Load (1.1ms)  SELECT  "users".* FROM "users" WHERE "users"."id" = $1 ORDER BY "users"."id" ASC LIMIT $2  [["id", 1], ["LIMIT", 1]]
Error decrementing num_assets metric
undefined method `username' for nil:NilClass
["/home/etostd/ruby_repos/datagraft-git/app/models/thing.rb:69:in `public_private_changed'", 
......
3.6.0/lib/puma/thread_pool.rb:116:in `block in spawn_thread'"]
  ApiKey Load (1.3ms)  SELECT  "api_keys".* FROM "api_keys" WHERE "api_keys"."user_id" = $1 AND "api_keys"."enabled" = $2 ORDER BY "api_keys"."id" ASC LIMIT $3  [["user_id", 1], ["enabled", true], ["LIMIT", 1]]
I, [2017-02-14T12:17:57.543897 #5263]  INFO -- : post https://api.datagraft.net/catalog/datasets
D, [2017-02-14T12:17:57.544203 #5263] DEBUG -- request: User-Agent: "Faraday v0.9.2"
Authorization: "Basic czQ3bTkyanFhNXZ2Om1rNHIxbHFtMWpicm1zYQ=="
Content-Type: "application/ld+json"
I, [2017-02-14T12:17:58.092395 #5263]  INFO -- Status: 200
D, [2017-02-14T12:17:58.092596 #5263] DEBUG -- response: content-type: "application/json"
date: "Tue, 14 Feb 2017 11:20:33 GMT"
server: "Apache-Coyote/1.1"
set-cookie: "JSESSIONID=5A0419E2C434C913342D581A712C8BBB; Path=/catalog/; HttpOnly"
content-length: "75"
connection: "Close"
I, [2017-02-14T12:17:58.094418 #5263]  INFO -- : post https://api.datagraft.net/catalog/distributions
D, [2017-02-14T12:17:58.094564 #5263] DEBUG -- request: User-Agent: "Faraday v0.9.2"
Authorization: "Basic czQ3bTkyanFhNXZ2Om1rNHIxbHFtMWpicm1zYQ=="
dataset-id: "http://dapaas.eu/users/1611305241/dataset/my-first-sim-endpoint-1"
Content-Type: "multipart/form-data; boundary=-----------RubyMultipartPost"
Content-Length: "891"
I, [2017-02-14T12:17:58.797209 #5263]  INFO -- Status: 200
D, [2017-02-14T12:17:58.797399 #5263] DEBUG -- response: content-type: "application/octet-stream"
date: "Tue, 14 Feb 2017 11:20:34 GMT"
server: "Apache-Coyote/1.1"
content-length: "93"
connection: "Close"
I, [2017-02-14T12:17:58.797759 #5263]  INFO -- : put https://api.datagraft.net/catalog/distributions/repository
D, [2017-02-14T12:17:58.797914 #5263] DEBUG -- request: User-Agent: "Faraday v0.9.2"
Authorization: "Basic czQ3bTkyanFhNXZ2Om1rNHIxbHFtMWpicm1zYQ=="
Content-Type: "application/ld+json"
distrib-id: "http://dapaas.eu/users/1611305241/distribution/my-first-sim-endpoint-distribution-1"
repository-id: "my-first-sim-endpoint-1"
I, [2017-02-14T12:18:58.138827 #5263]  INFO -- Status: 504
D, [2017-02-14T12:18:58.138972 #5263] DEBUG -- response: content-length: "0"
connection: "Close"
Error creating Ontotext repository
uncaught throw "Unable to create the Ontotext Repository -  - 504"
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"/home/etostd/.gem/ruby/2.2.0/gems/activesupport-5.0.0/lib/active_support/callbacks.rb:506:in `block (2 levels) in compile'", "/home/etostd/.gem/ruby/2.2.0/gems/activesupport-5.0.0/lib/active_support/callbacks.rb:455:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/activesupport-5.0.0/lib/active_support/callbacks.rb:455:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/activesupport-5.0.0/lib/active_support/callbacks.rb:101:in `__run_callbacks__'", "/home/etostd/.gem/ruby/2.2.0/gems/activesupport-5.0.0/lib/active_support/callbacks.rb:750:in `_run_process_action_callbacks'", "/home/etostd/.gem/ruby/2.2.0/gems/activesupport-5.0.0/lib/active_support/callbacks.rb:90:in `run_callbacks'", "/home/etostd/.gem/ruby/2.2.0/gems/actionpack-5.0.0/lib/abstract_controller/callbacks.rb:19:in `process_action'", "/home/etostd/.gem/ruby/2.2.0/gems/actionpack-5.0.0/lib/action_controller/metal/rescue.rb:20:in `process_action'", "/home/etostd/.gem/ruby/2.2.0/gems/actionpack-5.0.0/lib/action_controller/metal/instrumentation.rb:32:in `block in process_action'", "/home/etostd/.gem/ruby/2.2.0/gems/activesupport-5.0.0/lib/active_support/notifications.rb:164:in `block in instrument'", "/home/etostd/.gem/ruby/2.2.0/gems/activesupport-5.0.0/lib/active_support/notifications/instrumenter.rb:21:in `instrument'", "/home/etostd/.gem/ruby/2.2.0/gems/activesupport-5.0.0/lib/active_support/notifications.rb:164:in `instrument'", "/home/etostd/.gem/ruby/2.2.0/gems/actionpack-5.0.0/lib/action_controller/metal/instrumentation.rb:30:in `process_action'", "/home/etostd/.gem/ruby/2.2.0/gems/actionpack-5.0.0/lib/action_controller/metal/params_wrapper.rb:248:in `process_action'", "/home/etostd/.gem/ruby/2.2.0/gems/activerecord-5.0.0/lib/active_record/railties/controller_runtime.rb:18:in `process_action'", "/home/etostd/.gem/ruby/2.2.0/gems/actionpack-5.0.0/lib/abstract_controller/base.rb:126:in `process'", 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"/home/etostd/.gem/ruby/2.2.0/gems/omniauth-1.3.1/lib/omniauth/strategy.rb:186:in `call!'", "/home/etostd/.gem/ruby/2.2.0/gems/omniauth-1.3.1/lib/omniauth/strategy.rb:164:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/omniauth-1.3.1/lib/omniauth/strategy.rb:186:in `call!'", "/home/etostd/.gem/ruby/2.2.0/gems/omniauth-1.3.1/lib/omniauth/strategy.rb:164:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/warden-1.2.6/lib/warden/manager.rb:35:in `block in call'", "/home/etostd/.gem/ruby/2.2.0/gems/warden-1.2.6/lib/warden/manager.rb:34:in `catch'", "/home/etostd/.gem/ruby/2.2.0/gems/warden-1.2.6/lib/warden/manager.rb:34:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/rack-2.0.1/lib/rack/etag.rb:25:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/rack-2.0.1/lib/rack/conditional_get.rb:38:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/rack-2.0.1/lib/rack/head.rb:12:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/rack-2.0.1/lib/rack/session/abstract/id.rb:222:in `context'", "/home/etostd/.gem/ruby/2.2.0/gems/rack-2.0.1/lib/rack/session/abstract/id.rb:216:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/actionpack-5.0.0/lib/action_dispatch/middleware/cookies.rb:613:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/activerecord-5.0.0/lib/active_record/migration.rb:552:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/actionpack-5.0.0/lib/action_dispatch/middleware/callbacks.rb:38:in `block in call'", "/home/etostd/.gem/ruby/2.2.0/gems/activesupport-5.0.0/lib/active_support/callbacks.rb:97:in `__run_callbacks__'", "/home/etostd/.gem/ruby/2.2.0/gems/activesupport-5.0.0/lib/active_support/callbacks.rb:750:in `_run_call_callbacks'", "/home/etostd/.gem/ruby/2.2.0/gems/activesupport-5.0.0/lib/active_support/callbacks.rb:90:in `run_callbacks'", "/home/etostd/.gem/ruby/2.2.0/gems/actionpack-5.0.0/lib/action_dispatch/middleware/callbacks.rb:36:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/actionpack-5.0.0/lib/action_dispatch/middleware/executor.rb:12:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/actionpack-5.0.0/lib/action_dispatch/middleware/remote_ip.rb:79:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/actionpack-5.0.0/lib/action_dispatch/middleware/debug_exceptions.rb:49:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/web-console-3.3.1/lib/web_console/middleware.rb:131:in `call_app'", "/home/etostd/.gem/ruby/2.2.0/gems/web-console-3.3.1/lib/web_console/middleware.rb:20:in `block in call'", "/home/etostd/.gem/ruby/2.2.0/gems/web-console-3.3.1/lib/web_console/middleware.rb:18:in `catch'", "/home/etostd/.gem/ruby/2.2.0/gems/web-console-3.3.1/lib/web_console/middleware.rb:18:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/actionpack-5.0.0/lib/action_dispatch/middleware/show_exceptions.rb:31:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/railties-5.0.0/lib/rails/rack/logger.rb:36:in `call_app'", "/home/etostd/.gem/ruby/2.2.0/gems/railties-5.0.0/lib/rails/rack/logger.rb:24:in `block in call'", "/home/etostd/.gem/ruby/2.2.0/gems/activesupport-5.0.0/lib/active_support/tagged_logging.rb:70:in `block in tagged'", "/home/etostd/.gem/ruby/2.2.0/gems/activesupport-5.0.0/lib/active_support/tagged_logging.rb:26:in `tagged'", "/home/etostd/.gem/ruby/2.2.0/gems/activesupport-5.0.0/lib/active_support/tagged_logging.rb:70:in `tagged'", "/home/etostd/.gem/ruby/2.2.0/gems/railties-5.0.0/lib/rails/rack/logger.rb:24:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/sprockets-rails-3.2.0/lib/sprockets/rails/quiet_assets.rb:13:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/request_store-1.3.1/lib/request_store/middleware.rb:9:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/actionpack-5.0.0/lib/action_dispatch/middleware/request_id.rb:24:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/rack-2.0.1/lib/rack/method_override.rb:22:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/rack-2.0.1/lib/rack/runtime.rb:22:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/activesupport-5.0.0/lib/active_support/cache/strategy/local_cache_middleware.rb:28:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/actionpack-5.0.0/lib/action_dispatch/middleware/executor.rb:12:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/actionpack-5.0.0/lib/action_dispatch/middleware/static.rb:136:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/rack-2.0.1/lib/rack/sendfile.rb:111:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/rack-cors-0.4.0/lib/rack/cors.rb:80:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/railties-5.0.0/lib/rails/engine.rb:522:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/prometheus-client-0.6.0/lib/prometheus/client/rack/exporter.rb:29:in `call'", "/home/etostd/ruby_repos/datagraft-git/app/middleware/metrics_exporter.rb:4:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/prometheus-client-0.6.0/lib/prometheus/client/rack/collector.rb:24:in `block in call'", "/home/etostd/.gem/ruby/2.2.0/gems/prometheus-client-0.6.0/lib/prometheus/client/rack/collector.rb:57:in `trace'", "/home/etostd/.gem/ruby/2.2.0/gems/prometheus-client-0.6.0/lib/prometheus/client/rack/collector.rb:24:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/puma-3.6.0/lib/puma/configuration.rb:225:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/puma-3.6.0/lib/puma/server.rb:578:in `handle_request'", "/home/etostd/.gem/ruby/2.2.0/gems/puma-3.6.0/lib/puma/server.rb:415:in `process_client'", "/home/etostd/.gem/ruby/2.2.0/gems/puma-3.6.0/lib/puma/server.rb:275:in `block in run'", "/home/etostd/.gem/ruby/2.2.0/gems/puma-3.6.0/lib/puma/thread_pool.rb:116:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/puma-3.6.0/lib/puma/thread_pool.rb:116:in `block in spawn_thread'"]
  Upwizard Load (1.8ms)  SELECT  "upwizards".* FROM "upwizards" WHERE "upwizards"."id" = $1 LIMIT $2  [["id", 273], ["LIMIT", 1]]
  CACHE (0.1ms)  SELECT  "api_keys".* FROM "api_keys" WHERE "api_keys"."user_id" = $1 AND "api_keys"."enabled" = $2 ORDER BY "api_keys"."id" ASC LIMIT $3  [["user_id", 1], ["enabled", true], ["LIMIT", 1]]
Error uploading file to Ontotext repository
undefined method `+' for nil:NilClass
["/home/etostd/ruby_repos/datagraft-git/app/models/ontotext_user.rb:322:in `block in upload_file_ontotext_repository'", "/home/etostd/.gem/ruby/2.2.0/gems/faraday-0.9.2/lib/faraday/connection.rb:374:in `block in run_request'", "/home/etostd/.gem/ruby/2.2.0/gems/faraday-0.9.2/lib/faraday/connection.rb:388:in `block in build_request'", "/home/etostd/.gem/ruby/2.2.0/gems/faraday-0.9.2/lib/faraday/request.rb:26:in `block in create'", "/home/etostd/.gem/ruby/2.2.0/gems/faraday-0.9.2/lib/faraday/request.rb:25:in `tap'", "/home/etostd/.gem/ruby/2.2.0/gems/faraday-0.9.2/lib/faraday/request.rb:25:in `create'", "/home/etostd/.gem/ruby/2.2.0/gems/faraday-0.9.2/lib/faraday/connection.rb:384:in `build_request'", "/home/etostd/.gem/ruby/2.2.0/gems/faraday-0.9.2/lib/faraday/connection.rb:370:in `run_request'", "/home/etostd/.gem/ruby/2.2.0/gems/faraday-0.9.2/lib/faraday/connection.rb:177:in `post'", "/home/etostd/ruby_repos/datagraft-git/app/models/ontotext_user.rb:321:in `upload_file_ontotext_repository'", "/home/etostd/ruby_repos/datagraft-git/app/controllers/sparql_endpoints_controller.rb:26:in `create'", "/home/etostd/.gem/ruby/2.2.0/gems/actionpack-5.0.0/lib/action_controller/metal/basic_implicit_render.rb:4:in `send_action'", "/home/etostd/.gem/ruby/2.2.0/gems/actionpack-5.0.0/lib/abstract_controller/base.rb:188:in `process_action'", "/home/etostd/.gem/ruby/2.2.0/gems/actionpack-5.0.0/lib/action_controller/metal/rendering.rb:30:in `process_action'", "/home/etostd/.gem/ruby/2.2.0/gems/actionpack-5.0.0/lib/abstract_controller/callbacks.rb:20:in `block in process_action'", "/home/etostd/.gem/ruby/2.2.0/gems/activesupport-5.0.0/lib/active_support/callbacks.rb:126:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/activesupport-5.0.0/lib/active_support/callbacks.rb:126:in `call'", "/home/etostd/.gem/ruby/2.2.0/gems/activesupport-5.0.0/lib/active_support/callbacks.rb:506:in `block (2 levels) in compile'", 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No template found for SparqlEndpointsController#create, rendering head :no_content
Completed 204 No Content in 60942ms (ActiveRecord: 8.0ms)