迁移到新服务器后,用户访问/ my / page时会出现500错误。
错误:
Started GET "/my/page" for 172.30.60.118 at 2016-05-17 14:03:31 +0200
Processing by MyController#page as HTML
Current user: krzysztof.golos (id=14)
Rendered issues/_list_simple.html.erb (24.0ms)
Rendered my/blocks/_issuesassignedtome.html.erb (109.1ms)
Rendered issues/_list_simple.html.erb (27.5ms)
Rendered my/blocks/_issuesreportedbyme.html.erb (39.2ms)
Rendered my/blocks/_issueswatched.html.erb (7.2ms)
Rendered my/page.html.erb within layouts/base (158.8ms)
Completed 500 Internal Server Error in 169.6ms
ActionView::Template::Error (no implicit conversion of nil into String):
1: <h3>
2: <%= link_to l(:label_watched_issues),
3: issues_path(:set_filter => 1, :watcher_id => 'me', :sort => 'updated_on:desc') %>
4: (<%= Issue.visible.watched_by(user.id).count %>)
5: </h3>
6:
7: <% watched_issues = issueswatched_items %>
app/views/my/blocks/_issueswatched.html.erb:4:in `_app_views_my_blocks__issueswatched_html_erb___2499037382860342811_70277487537940'
app/views/my/page.html.erb:29:in `block in _app_views_my_page_html_erb___2611345217716520421_70277481863500'
app/views/my/page.html.erb:26:in `each'
app/views/my/page.html.erb:26:in `_app_views_my_page_html_erb___2611345217716520421_70277481863500'
新服务器:Redmine版本2.6.10.stable,Ruby版本2.3.1-p112(2016-04-26)[x86_64-linux],Rails版本3.2.22.2
旧服务器:Redmine版本2.4.0.stable, Ruby版本1.9.3-p448(2013-06-27)[x86_64-linux], Rails版本3.2.15
有人可以帮忙吗?