# 为什么同一位用户会两次点赞同一篇帖子？
**URL:** https://meta.discourse.org/t/why-are-two-of-the-same-user-liking-the-same-post/116113
**Category:** Bug
**Created:** [2019年四月27日 04:46 UTC](https://meta.discourse.org/t/why-are-two-of-the-same-user-liking-the-same-post/116113 "2019-04-27T04:46:07Z")
**Posts on this page:** 7
**Page:** 1
### Author:  [@Chaboi\_3000](https://meta.discourse.org/u/Chaboi_3000)
#### Post date: [2019年四月27日 04:46 UTC](https://meta.discourse.org/t/why-are-two-of-the-same-user-liking-the-same-post/116113/1 "2019-04-27T04:46:07Z")
Just noticed while poking in this forum. Not sure how this happened, but here’s brief info about it.
- Nexo liked my post, and I clicked on my profile pic to see what notification it was.
- Then, he unliked it, while I was looking at the notifications still.
- He liked it again, and here’s what happened:
---
### Author:  [@nexo](https://meta.discourse.org/u/nexo)
#### Post date: [2019年四月27日 06:15 UTC](https://meta.discourse.org/t/why-are-two-of-the-same-user-liking-the-same-post/116113/2 "2019-04-27T06:15:38Z")
Your post meant so much to me, it was worth two likes 😉
---
### Author:  [@zogstrip](https://meta.discourse.org/u/zogstrip)
#### Post date: [2019年四月30日 09:53 UTC](https://meta.discourse.org/t/why-are-two-of-the-same-user-liking-the-same-post/116113/3 "2019-04-30T09:53:25Z")
Can you reproduce @jomaxro?
---
### Author:  [@dax](https://meta.discourse.org/u/dax)
#### Post date: [2019年四月30日 11:31 UTC](https://meta.discourse.org/t/why-are-two-of-the-same-user-liking-the-same-post/116113/5 "2019-04-30T11:31:45Z")
I can repro this issue on my test site, see
putting, removing and putting back the like.
On logs:
```plaintext
create_errors_json called with unrecognized type: #, @messages={}, @details={}>>
```
```plaintext
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/logster-2.3.0/lib/logster/logger.rb:110:in `report_to_store'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/logster-2.3.0/lib/logster/logger.rb:101:in `add_with_opts'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/logster-2.3.0/lib/logster/logger.rb:52:in `add'
/usr/local/lib/ruby/2.6.0/logger.rb:534:in `warn'
/var/www/discourse/lib/json_error.rb:34:in `create_errors_array'
/var/www/discourse/lib/json_error.rb:6:in `create_errors_json'
/var/www/discourse/app/controllers/application_controller.rb:604:in `render_json_error'
/var/www/discourse/app/controllers/post_actions_controller.rb:46:in `destroy'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-5.2.3/lib/action_controller/metal/basic_implicit_render.rb:6:in `send_action'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-5.2.3/lib/abstract_controller/base.rb:194:in `process_action'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-5.2.3/lib/action_controller/metal/rendering.rb:30:in `process_action'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-5.2.3/lib/abstract_controller/callbacks.rb:42:in `block in process_action'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.3/lib/active_support/callbacks.rb:132:in `run_callbacks'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-5.2.3/lib/abstract_controller/callbacks.rb:41:in `process_action'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-5.2.3/lib/action_controller/metal/rescue.rb:22:in `process_action'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-5.2.3/lib/action_controller/metal/instrumentation.rb:34:in `block in process_action'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.3/lib/active_support/notifications.rb:168:in `block in instrument'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.3/lib/active_support/notifications/instrumenter.rb:23:in `instrument'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.3/lib/active_support/notifications.rb:168:in `instrument'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-5.2.3/lib/action_controller/metal/instrumentation.rb:32:in `process_action'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-5.2.3/lib/action_controller/metal/params_wrapper.rb:256:in `process_action'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/activerecord-5.2.3/lib/active_record/railties/controller_runtime.rb:24:in `process_action'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-5.2.3/lib/abstract_controller/base.rb:134:in `process'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionview-5.2.3/lib/action_view/rendering.rb:32:in `process'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-mini-profiler-1.0.2/lib/mini_profiler/profiling_methods.rb:78:in `block in profile_method'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-5.2.3/lib/action_controller/metal.rb:191:in `dispatch'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-5.2.3/lib/action_controller/metal.rb:252:in `dispatch'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-5.2.3/lib/action_dispatch/routing/route_set.rb:52:in `dispatch'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-5.2.3/lib/action_dispatch/routing/route_set.rb:34:in `serve'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-5.2.3/lib/action_dispatch/journey/router.rb:52:in `block in serve'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-5.2.3/lib/action_dispatch/journey/router.rb:35:in `each'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-5.2.3/lib/action_dispatch/journey/router.rb:35:in `serve'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-5.2.3/lib/action_dispatch/routing/route_set.rb:840:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-protection-2.0.5/lib/rack/protection/frame_options.rb:31:in `call'
/var/www/discourse/lib/middleware/omniauth_bypass_middleware.rb:32:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.0.7/lib/rack/tempfile_reaper.rb:15:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.0.7/lib/rack/conditional_get.rb:38:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.0.7/lib/rack/head.rb:12:in `call'
/var/www/discourse/lib/content_security_policy/middleware.rb:12:in `call'
/var/www/discourse/lib/middleware/anonymous_cache.rb:216:in `call'
/var/www/discourse/config/initializers/008-rack-cors.rb:25:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.0.7/lib/rack/session/abstract/id.rb:232:in `context'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.0.7/lib/rack/session/abstract/id.rb:226:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-5.2.3/lib/action_dispatch/middleware/cookies.rb:670:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-5.2.3/lib/action_dispatch/middleware/callbacks.rb:28:in `block in call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.3/lib/active_support/callbacks.rb:98:in `run_callbacks'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-5.2.3/lib/action_dispatch/middleware/callbacks.rb:26:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-5.2.3/lib/action_dispatch/middleware/debug_exceptions.rb:61:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-5.2.3/lib/action_dispatch/middleware/show_exceptions.rb:33:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/logster-2.3.0/lib/logster/middleware/reporter.rb:30:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/lograge-0.11.0/lib/lograge/rails_ext/rack/logger.rb:15:in `call_app'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/railties-5.2.3/lib/rails/rack/logger.rb:28:in `call'
/var/www/discourse/config/initializers/100-quiet_logger.rb:16:in `call'
/var/www/discourse/config/initializers/100-silence_logger.rb:29:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-5.2.3/lib/action_dispatch/middleware/remote_ip.rb:81:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-5.2.3/lib/action_dispatch/middleware/request_id.rb:27:in `call'
/var/www/discourse/lib/middleware/enforce_hostname.rb:17:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.0.7/lib/rack/method_override.rb:22:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rails_multisite-2.0.7/lib/rails_multisite/middleware.rb:24:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.0.7/lib/rack/sendfile.rb:111:in `call'
/var/www/discourse/plugins/discourse-prometheus/lib/middleware/metrics.rb:17:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-mini-profiler-1.0.2/lib/mini_profiler/profiler.rb:171:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/message_bus-2.2.0/lib/message_bus/rack/middleware.rb:57:in `call'
/var/www/discourse/lib/middleware/request_tracker.rb:163:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/railties-5.2.3/lib/rails/engine.rb:524:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/railties-5.2.3/lib/rails/railtie.rb:190:in `public_send'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/railties-5.2.3/lib/rails/railtie.rb:190:in `method_missing'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.0.7/lib/rack/urlmap.rb:68:in `block in call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.0.7/lib/rack/urlmap.rb:53:in `each'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.0.7/lib/rack/urlmap.rb:53:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/unicorn-5.5.0/lib/unicorn/http_server.rb:605:in `process_client'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/unicorn-5.5.0/lib/unicorn/http_server.rb:700:in `worker_loop'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/unicorn-5.5.0/lib/unicorn/http_server.rb:548:in `spawn_missing_workers'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/unicorn-5.5.0/lib/unicorn/http_server.rb:144:in `start'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/unicorn-5.5.0/bin/unicorn:128:in `'
/var/www/discourse/vendor/bundle/ruby/2.6.0/bin/unicorn:23:in `load'
/var/www/discourse/vendor/bundle/ruby/2.6.0/bin/unicorn:23:in `'
```
---
### Author:  [@zogstrip](https://meta.discourse.org/u/zogstrip)
#### Post date: [2019年四月30日 11:47 UTC](https://meta.discourse.org/t/why-are-two-of-the-same-user-liking-the-same-post/116113/6 "2019-04-30T11:47:40Z")
So it’s definitely a bug then.
@gerhard can you add that to your list?
---
### Author:  [@dan](https://meta.discourse.org/u/dan)
#### Post date: [2019年八月12日 13:22 UTC](https://meta.discourse.org/t/why-are-two-of-the-same-user-liking-the-same-post/116113/8 "2019-08-12T13:22:22Z")
此问题已在以下链接中修复：
>
>
> When a user liked, unliked and liked again the same post, the poster
> would rece…ive a notification such as "X and X liked ...". This happened
> because PostActionNotifier.post\_action\_created was called twice.
---
### Author:  [@dan](https://meta.discourse.org/u/dan)
#### Post date: [2019年八月12日 13:23 UTC](https://meta.discourse.org/t/why-are-two-of-the-same-user-liking-the-same-post/116113/9 "2019-08-12T13:23:13Z")