Gitlab关闭合并请求500错误

当尝试按closed或all筛选合并请求时，我被重定向到一个500错误页面。我只是做了一次升级，我想知道旧的合并请求是否会有问题。我对该表进行了一次选择，因为我认为其中有一些空值是不应该存在的

+----+-----------------+--------------------+-------------------+-----------+-------------+--------------------------------------+---------------------+---------------------+--------------+--------+------------------+-------------------+------+------------------------+
| id | target_branch   | source_branch      | source_project_id | author_id | assignee_id | title                                | created_at          | updated_at          | milestone_id | state  | merge_status     | target_project_id | iid  | description            |
+----+-----------------+--------------------+-------------------+-----------+-------------+--------------------------------------+---------------------+---------------------+--------------+--------+------------------+-------------------+------+------------------------+
|  1 | master          | 139529-aaa-changes |                 3 |         1 |           2 | Merging aaa changes back into master | 2014-03-11 23:31:26 | 2014-03-11 23:32:32 |         NULL | closed | unchecked        |                 3 | NULL | NULL                   |
|  2 | master          | 139529-aaa-changes |                 3 |         1 |           2 | Merging aaa changes back into master | 2014-03-11 23:33:34 | 2014-03-18 15:06:08 |         NULL | merged | unchecked        |                 3 | NULL | NULL                   |
|  3 | master          | floodlight-tag     |                 3 |         1 |           2 | Floodlight Tag                       | 2014-03-17 20:54:12 | 2014-03-21 18:37:52 |         NULL | closed | cannot_be_merged |                 3 | NULL | NULL                   |
|  4 | release         | AffiliateSitesTest |                 5 |         1 |           1 | test                                 | 2014-03-17 20:59:42 | 2014-03-17 20:59:51 |         NULL | closed | unchecked        |                 5 | NULL | NULL                   |
|  5 | master_20140321 | jsoptimization     |                 3 |         1 |           1 | Jsoptimization                       | 2014-03-22 23:25:53 | 2014-03-22 23:26:45 |         NULL | closed | unchecked        |                 3 |    1 |                        |
|  6 | master_20140321 | floodlight-tag     |                 3 |         1 |           1 | Floodlight Tag                       | 2014-03-22 23:28:40 | 2014-03-22 23:29:22 |         NULL | closed | cannot_be_merged |                 3 |    2 |                        |
|  7 | stable          | packagedates       |                 3 |         2 |           1 | Packagedates                         | 2014-03-24 18:56:04 | 2014-03-25 16:56:56 |         NULL | merged | unchecked        |                 3 |    3 | Merge into stable      |
|  8 | stable          | floodlight-tag     |                 3 |         1 |           1 | Floodlight Tag                       | 2014-03-24 19:24:54 | 2014-03-24 19:25:07 |         NULL | closed | cannot_be_merged |                 3 |    4 | testing                |
|  9 | master_20140321 | release            |                 3 |         1 |           1 | Release                              | 2014-03-25 17:45:21 | 2014-03-25 17:46:24 |            2 | closed | cannot_be_merged |                 3 |    5 |                        |
| 10 | master          | release            |                 3 |         1 |           1 | Release                              | 2014-03-25 19:26:20 | 2014-03-25 19:26:47 |         NULL | closed | can_be_merged    |                 3 |    6 | Testing                |
| 11 | release         | master             |                 3 |         1 |           1 | Master                               | 2014-03-25 19:27:31 | 2014-03-25 19:28:51 |         NULL | closed | unchecked        |                 3 |    7 | @akislenko

我已经查看了日志，我认为这个日志条目是相关的：

ActionView::Template::Error (No route matches {:action=>"show", :controller=>"projects/merge_requests", :project_id=>#<Project id: 5, name: "Affiliate Sites", path: "affiliate-sites", description: nil, created_at: "2013-07-29 14:56:01", updated_at: "2013-07-29 15:07:20", creator_id: 1, issues_enabled: true, wall_enabled: false, merge_requests_enabled: true, wiki_enabled: true, namespace_id: 5, issues_tracker: "gitlab", issues_tracker_id: nil, snippets_enabled: false, last_activity_at: "2014-03-17 20:59:51", import_url: nil, visibility_level: 0, archived: false, import_status: "none">, :id=>#<MergeRequest id: 4, target_branch: "release", source_branch: "AffiliateSitesTest", source_project_id: 5, author_id: 1, assignee_id: 1, title: "test", created_at: "2014-03-17 20:59:42", updated_at: "2014-03-17 20:59:51", milestone_id: nil, state: "closed", merge_status: "unchecked", target_project_id: 5, iid: nil, description: nil>, :format=>nil} missing required keys: [:id]):
    1: %li{ class: mr_css_classes(merge_request) }
    2:   .merge-request-title
    3:     %span.light= "##{merge_request.iid}"
    4:     = link_to_gfm truncate(merge_request.title, length: 80), project_merge_request_path(merge_request.target_project, merge_request), class: "row_title"
    5:     - if merge_request.merged?
    6:       %small.pull-right
    7:         %i.icon-ok
  app/views/projects/merge_requests/_merge_request.html.haml:4:in `_app_views_projects_merge_requests__merge_request_html_haml__889413478871945037_70150652521800'
  app/views/shared/_merge_requests.html.haml:10:in `block (2 levels) in _app_views_shared__merge_requests_html_haml___4127460965921930050_70150652354320'
  app/views/shared/_merge_requests.html.haml:9:in `each'
  app/views/shared/_merge_requests.html.haml:9:in `block in _app_views_shared__merge_requests_html_haml___4127460965921930050_70150652354320'
  app/views/shared/_merge_requests.html.haml:2:in `each'
  app/views/shared/_merge_requests.html.haml:2:in `_app_views_shared__merge_requests_html_haml___4127460965921930050_70150652354320'
  app/views/dashboard/merge_requests.html.haml:13:in `_app_views_dashboard_merge_requests_html_haml___2670017937016338979_70150653186460'
  app/controllers/application_controller.rb:58:in `set_current_user_for_thread'

ActionView:：Template:：Error（没有路由匹配{：action=>“show”、：controller=>“projects/merge_requests”、：project_id=>#、：id=>#、：format=>nil}缺少所需的键：[：id]）：
1:%li{class:mr\u css\u class（合并请求）}
2:。合并请求标题
3:%span.light=“##{merge_request.iid}”
4:=链接\到\ gfm截断（合并\请求.标题，长度：80），项目\合并\请求\路径（合并\请求.目标\项目，合并\请求），类：“行\标题”
5:-如果合并请求。是否合并？
6%小。向右拉
7:%i.icon-ok
app/views/projects/merge\u requests/\u merge\u request.html.haml:4:in``应用程序视图项目合并请求合并请求html\u haml\u889413478871945037\u 7015065221800'
app/views/shared/_merge_requests.html.haml:10:in`block（2层）in_app_view_shared_merge_requests_html_haml__4127460965921930050_70150652354320'
app/views/shared/_merge_requests.html.haml:9:in'each'
app/views/shared/_merge_requests.html.haml:9:in`block in_app_view_shared_merge_requests_html_4127460965921930050_70150652354320'
app/views/shared/_merge_requests.html.haml:2:in'each'
app/views/shared/_merge_requests.html.haml:2:in`_app_view_shared_merge_requests_html_haml_4127460965921930050_70150652354320'
app/views/dashboard/merge\u requests.html.haml:13:in``应用程序视图仪表板合并请求html\u haml\uuuuuu 2670017937016338979\u 70150653186460'
app/controllers/application\u controller.rb:58:“为线程设置当前用户”

看来这个无效的iid可能是罪魁祸首