我们在测试中能够重现此错误。有人能提供建议吗？
哎呀
驱动本讨论论坛的软件遇到了意外问题。对于造成的不便，我们深表歉意。
有关错误的详细信息已被记录，并生成了自动通知。我们将对此进行检查。
无需采取进一步行动。不过，如果错误情况持续存在，您可以通过在网站的反馈类别中发布讨论主题，提供额外详情，包括重现错误的步骤。
根据您提供的信息，目前只能确定存在问题。
您需要查看日志。
这通常是因为数据库出现了问题。
恐怕这超出了我的能力范围。我们的主管理员离职了，我不得不临时顶替。这是日志显示的内容，我完全不知道它是什么意思。
/usr/local/lib/ruby/2.5.0/net/protocol.rb:44:in `connect_nonblock'
/usr/local/lib/ruby/2.5.0/net/protocol.rb:44:in `ssl_socket_connect'
/usr/local/lib/ruby/2.5.0/net/http.rb:981:in `connect'
/usr/local/lib/ruby/2.5.0/net/http.rb:920:in `do_start'
/usr/local/lib/ruby/2.5.0/net/http.rb:909:in `start'
/usr/local/lib/ruby/2.5.0/net/http.rb:1455:in `request'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/rack-mini-profiler-1.0.1/lib/patches/net_patches.rb:9:in `block in request_with_mini_profiler'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/rack-mini-profiler-1.0.1/lib/mini_profiler/profiling_methods.rb:39:in `step'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/rack-mini-profiler-1.0.1/lib/patches/net_patches.rb:8:in `request_with_mini_profiler'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/faraday-0.15.4/lib/faraday/adapter/net_http.rb:87:in `perform_request'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/faraday-0.15.4/lib/faraday/adapter/net_http.rb:43:in `block in call'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/faraday-0.15.4/lib/faraday/adapter/net_http.rb:92:in `with_net_http_connection'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/faraday-0.15.4/lib/faraday/adapter/net_http.rb:38:in `call'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/faraday-0.15.4/lib/faraday/request/url_encoded.rb:15:in `call'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/faraday-0.15.4/lib/faraday/rack_builder.rb:143:in `build_response'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/faraday-0.15.4/lib/faraday/connection.rb:387:in `run_request'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/oauth2-1.4.1/lib/oauth2/client.rb:99:in `request'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/oauth2-1.4.1/lib/oauth2/client.rb:146:in `get_token'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/oauth2-1.4.1/lib/oauth2/strategy/auth_code.rb:30:in `get_token'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/omniauth-oauth2-1.6.0/lib/omniauth/strategies/oauth2.rb:89:in `build_access_token'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/omniauth-oauth2-1.6.0/lib/omniauth/strategies/oauth2.rb:73:in `callback_phase'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/omniauth-1.9.0/lib/omniauth/strategy.rb:238:in `callback_call'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/omniauth-1.9.0/lib/omniauth/strategy.rb:189:in `call!'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/omniauth-1.9.0/lib/omniauth/strategy.rb:169:in `call'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/omniauth-1.9.0/lib/omniauth/strategy.rb:192:in `call!'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/omniauth-1.9.0/lib/omniauth/strategy.rb:169:in `call'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/omniauth-1.9.0/lib/omniauth/strategy.rb:192:in `call!'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/omniauth-1.9.0/lib/omniauth/strategy.rb:169:in `call'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/omniauth-1.9.0/lib/omniauth/strategy.rb:192:in `call!'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/omniauth-1.9.0/lib/omniauth/strategy.rb:169:in `call'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/omniauth-1.9.0/lib/omniauth/strategy.rb:192:in `call!'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/omniauth-1.9.0/lib/omniauth/strategy.rb:169:in `call'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/omniauth-1.9.0/lib/omniauth/strategy.rb:192:in `call!'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/omniauth-1.9.0/lib/omniauth/strategy.rb:169:in `call'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/omniauth-1.9.0/lib/omniauth/builder.rb:64:in `call'
/var/www/discourse/lib/middleware/omniauth_bypass_middleware.rb:30:in `call'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/rack-2.0.6/lib/rack/tempfile_reaper.rb:15:in `call'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/rack-2.0.6/lib/rack/conditional_get.rb:25:in `call'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/rack-2.0.6/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:214:in `call'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/rack-2.0.6/lib/rack/session/abstract/id.rb:232:in `context'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/rack-2.0.6/lib/rack/session/abstract/id.rb:226:in `call'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/actionpack-5.2.2/lib/action_dispatch/middleware/cookies.rb:670:in `call'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/actionpack-5.2.2/lib/action_dispatch/middleware/callbacks.rb:28:in `block in call'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/activesupport-5.2.2/lib/active_support/callbacks.rb:98:in `run_callbacks'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/actionpack-5.2.2/lib/action_dispatch/middleware/callbacks.rb:26:in `call'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/actionpack-5.2.2/lib/action_dispatch/middleware/debug_exceptions.rb:61:in `call'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/actionpack-5.2.2/lib/action_dispatch/middleware/show_exceptions.rb:33:in `call'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/logster-1.3.4/lib/logster/middleware/reporter.rb:31:in `call'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/railties-5.2.2/lib/rails/rack/logger.rb:38:in `call_app'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/railties-5.2.2/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/2.5.0/gems/actionpack-5.2.2/lib/action_dispatch/middleware/remote_ip.rb:81:in `call'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/actionpack-5.2.2/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/2.5.0/gems/rack-2.0.6/lib/rack/method_override.rb:22:in `call'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/actionpack-5.2.2/lib/action_dispatch/middleware/executor.rb:14:in `call'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/rack-2.0.6/lib/rack/sendfile.rb:111:in `call'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/rack-mini-profiler-1.0.1/lib/mini_profiler/profiler.rb:171:in `call'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/message_bus-2.2.0.pre.1/lib/message_bus/rack/middleware.rb:57:in `call'
/var/www/discourse/lib/middleware/request_tracker.rb:180:in `call'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/railties-5.2.2/lib/rails/engine.rb:524:in `call'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/railties-5.2.2/lib/rails/railtie.rb:190:in `public_send'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/railties-5.2.2/lib/rails/railtie.rb:190:in `method_missing'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/rack-2.0.6/lib/rack/urlmap.rb:68:in `block in call'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/rack-2.0.6/lib/rack/urlmap.rb:53:in `each'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/rack-2.0.6/lib/rack/urlmap.rb:53:in `call'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/unicorn-5.4.0/lib/unicorn/http_server.rb:606:in `process_client'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/unicorn-5.4.0/lib/unicorn/http_server.rb:701:in `worker_loop'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/unicorn-5.4.0/lib/unicorn/http_server.rb:549:in `spawn_missing_workers'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/unicorn-5.4.0/lib/unicorn/http_server.rb:563:in `maintain_worker_count'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/unicorn-5.4.0/lib/unicorn/http_server.rb:293:in `join'
/var/www/discourse/vendor/bundle/ruby/2.5.0/gems/unicorn-5.4.0/bin/unicorn:126:in `<top (required)>'
/var/www/discourse/vendor/bundle/ruby/2.5.0/bin/unicorn:23:in `load'
/var/www/discourse/vendor/bundle/ruby/2.5.0/bin/unicorn:23:in `<main>'
我们当前使用的是 2.2.0 版本。升级能否解决这个问题？
这是一个已不再支持的旧版本。请更新后重试。
好的，我会申请批准推送更新。谢谢。