500 error when sending comment

[vrtsev]

url: /posts/1/comments
error: 500
logs:
2017-08-27T14:58:36.508213+00:00 app[web.1]: I, [2017-08-27T14:58:36.508122 #4] INFO -- : [92e2408a-68e5-424b-a840-dfcf57c87406] Started POST "/posts/1/comments" for 37.229.149.101 at 2017-08-27 14:58:36 +0000 2017-08-27T14:58:36.510698+00:00 app[web.1]: I, [2017-08-27T14:58:36.510594 #4] INFO -- : [92e2408a-68e5-424b-a840-dfcf57c87406] Processing by Publications::CommentsController#create as HTML 2017-08-27T14:58:36.510841+00:00 app[web.1]: I, [2017-08-27T14:58:36.510784 #4] INFO -- : [92e2408a-68e5-424b-a840-dfcf57c87406] Parameters: {"utf8"=>"✓", "authenticity_token"=>"nCmJ92/nudW1/keE1O67lX3hBUcY7tb97FsL6t+bUpf3Nc579aiUIqmKZspJJLz7dRWND4gJNGCZxzN/1D0Wtw==", "comment"=>{"content"=>"2"}, "commit"=>"Отправить", "post_id"=>"1"} 2017-08-27T14:58:36.518153+00:00 app[web.1]: D, [2017-08-27T14:58:36.518039 #4] DEBUG -- : [92e2408a-68e5-424b-a840-dfcf57c87406] User Load (1.4ms) SELECT "users".* FROM "users" WHERE "users"."id" = $1 ORDER BY "users"."id" ASC LIMIT $2 [["id", 1], ["LIMIT", 1]] 2017-08-27T14:58:36.527477+00:00 app[web.1]: D, [2017-08-27T14:58:36.527361 #4] DEBUG -- : [92e2408a-68e5-424b-a840-dfcf57c87406] Visit Load (3.4ms) SELECT "visits".* FROM "visits" WHERE "visits"."visit_token" = $1 ORDER BY "visits"."id" ASC LIMIT $2 [["visit_token", "a0e30a91-6425-4ae5-aef9-3acab003d489"], ["LIMIT", 1]] 2017-08-27T14:58:36.531397+00:00 app[web.1]: D, [2017-08-27T14:58:36.531282 #4] DEBUG -- : [92e2408a-68e5-424b-a840-dfcf57c87406] (2.8ms) BEGIN 2017-08-27T14:58:36.535518+00:00 app[web.1]: D, [2017-08-27T14:58:36.535412 #4] DEBUG -- : [92e2408a-68e5-424b-a840-dfcf57c87406] SQL (2.0ms) INSERT INTO "ahoy_events" ("user_id", "name", "properties", "time") VALUES ($1, $2, $3, $4) RETURNING "id" [["user_id", 1], ["name", "publications/comments > create"], ["properties", "{\"utf8\":\"✓\",\"authenticity_token\":\"nCmJ92/nudW1/keE1O67lX3hBUcY7tb97FsL6t+bUpf3Nc579aiUIqmKZspJJLz7dRWND4gJNGCZxzN/1D0Wtw==\",\"comment\":{\"content\":\"2\"},\"commit\":\"Отправить\",\"controller\":\"publications/comments\",\"action\":\"create\",\"post_id\":\"1\"}"], ["time", 2017-08-27 14:58:36 UTC]] 2017-08-27T14:58:36.538293+00:00 app[web.1]: D, [2017-08-27T14:58:36.538193 #4] DEBUG -- : [92e2408a-68e5-424b-a840-dfcf57c87406] (2.1ms) COMMIT 2017-08-27T14:58:36.554715+00:00 app[web.1]: D, [2017-08-27T14:58:36.554592 #4] DEBUG -- : [92e2408a-68e5-424b-a840-dfcf57c87406] (3.3ms) BEGIN 2017-08-27T14:58:36.547633+00:00 app[web.1]: D, [2017-08-27T14:58:36.547511 #4] DEBUG -- : [92e2408a-68e5-424b-a840-dfcf57c87406] Post Load (6.5ms) SELECT "posts".* FROM "posts" WHERE "posts"."id" = $1 LIMIT $2 [["id", 1], ["LIMIT", 1]] 2017-08-27T14:58:36.559756+00:00 app[web.1]: D, [2017-08-27T14:58:36.559634 #4] DEBUG -- : [92e2408a-68e5-424b-a840-dfcf57c87406] (0.9ms) ROLLBACK 2017-08-27T14:58:36.567861+00:00 app[web.1]: F, [2017-08-27T14:58:36.567781 #4] FATAL -- : [92e2408a-68e5-424b-a840-dfcf57c87406] 2017-08-27T14:58:36.566101+00:00 app[web.1]: I, [2017-08-27T14:58:36.565996 #4] INFO -- : [92e2408a-68e5-424b-a840-dfcf57c87406] Completed 500 Internal Server Error in 55ms (ActiveRecord: 22.4ms) 2017-08-27T14:58:36.567933+00:00 app[web.1]: F, [2017-08-27T14:58:36.567869 #4] FATAL -- : [92e2408a-68e5-424b-a840-dfcf57c87406] ActionView::MissingTemplate (Missing template publications/comments/new, publications/new, application/new with {:locale=>[:en], :formats=>[:html], :variants=>[], :handlers=>[:raw, :erb, :html, :builder, :ruby, :coffee, :jbuilder, :haml]}. Searched in: 2017-08-27T14:58:36.567935+00:00 app[web.1]: * "/app/app/views" 2017-08-27T14:58:36.567936+00:00 app[web.1]: * "/app/vendor/bundle/ruby/2.3.0/gems/devise-4.2.0/app/views" 2017-08-27T14:58:36.567936+00:00 app[web.1]: * "/app/vendor/bundle/ruby/2.3.0/gems/semantic-ui-sass-2.2.11.0/app/views" 2017-08-27T14:58:36.567937+00:00 app[web.1]: * "/app/vendor/bundle/ruby/2.3.0/gems/ckeditor-4.1.6/app/views" 2017-08-27T14:58:36.567996+00:00 app[web.1]: F, [2017-08-27T14:58:36.567936 #4] FATAL -- : [92e2408a-68e5-424b-a840-dfcf57c87406] 2017-08-27T14:58:36.567938+00:00 app[web.1]: ): 2017-08-27T14:58:36.568063+00:00 app[web.1]: F, [2017-08-27T14:58:36.568009 #4] FATAL -- : [92e2408a-68e5-424b-a840-dfcf57c87406] app/controllers/publications/comments_controller.rb:18:in create'`

case:

1. Create post with enabled comments
2. Then turn off comments
3. Again turn on comments
4. Submit new comment

expected: submit form, send comment and redirect to commented post

[vrtsev]

notice: Error happpens when comment content is not valid (has length < 2 symbols)
expected: error message if comment content isn't valid