Heroku日志显示没有错误,但我的大多数URL都显示“对不起,但是出了点问题”

问题描述

|| 我的应用程序在本地计算机上运行良好,但是当我将应用程序推到Heroku后创建第一条帖子时,除
/posts/new
以外的所有页面上都显示“很抱歉,但是出了点问题。”
heroku logs
命令显示
2011-05-30T19:24:02+00:00 heroku[api]: Set maintenance mode off by myemailaddress@blah.com
2011-05-30T19:24:04+00:00 heroku[web.1]: Unidling
2011-05-30T19:24:04+00:00 heroku[web.1]: State changed from created to starting
2011-05-30T19:24:08+00:00 heroku[web.1]: Starting process with command: `thin -p 54761 -e production -R /home/heroku_rack/heroku.ru start`
2011-05-30T19:24:16+00:00 heroku[web.1]: State changed from starting to up
2011-05-30T19:24:17+00:00 heroku[router]: GET mywebsite.com/ dyno=web.1 queue=0 wait=0ms service=1172ms bytes=934
2011-05-30T19:24:17+00:00 heroku[router]: GET mywebsite.com/ dyno=web.1 queue=1 wait=1171ms service=58ms bytes=934
2011-05-30T19:26:27+00:00 heroku[router]: GET mywebsite.com/new dyno=web.1 queue=0 wait=0ms service=18ms bytes=4324
2011-05-30T19:26:27+00:00 heroku[router]: GET mywebsite.com/stylesheets/style.css dyno=web.1 queue=0 wait=0ms service=1ms bytes=5716
2011-05-30T19:26:28+00:00 heroku[router]: GET mywebsite.com/javascripts/jquery-ui-1.8.13.custom.min.js dyno=web.1 queue=0 wait=0ms service=8ms bytes=20496
2011-05-30T19:26:28+00:00 heroku[router]: GET mywebsite.com/javascripts/rails.js dyno=web.1 queue=0 wait=0ms service=1ms bytes=12951
2011-05-30T19:26:28+00:00 heroku[router]: GET mywebsite.com/stylesheets/jquery-ui-1.8.13.custom.css dyno=web.1 queue=0 wait=0ms service=9ms bytes=21082
2011-05-30T19:26:28+00:00 heroku[router]: GET mywebsite.com/images/newlogo.png dyno=web.1 queue=0 wait=0ms service=4ms bytes=2804
2011-05-30T19:27:18+00:00 heroku[router]: GET mywebsite.com/robots.txt dyno=web.1 queue=0 wait=0ms service=1ms bytes=455
2011-05-30T12:27:19-07:00 heroku[Nginx]: GET /robots.txt HTTP/1.1 | 207.46.195.229 | 486 | http | 200
2011-05-30T19:27:59+00:00 heroku[router]: GET mywebsite.com/ dyno=web.1 queue=0 wait=0ms service=32ms bytes=934
2011-05-30T12:27:59-07:00 heroku[Nginx]: GET / HTTP/1.1 | 207.46.195.229 | 965 | http | 500
2011-05-30T19:29:18+00:00 heroku[router]: GET mywebsite.com/ dyno=web.1 queue=0 wait=0ms service=21ms bytes=934
2011-05-30T12:29:19-07:00 heroku[Nginx]: GET / HTTP/1.1 | 24.16.162.252 | 965 | http | 500
2011-05-30T19:29:28+00:00 heroku[router]: GET mywebsite.com/ dyno=web.1 queue=0 wait=0ms service=30ms bytes=934
2011-05-30T12:29:29-07:00 heroku[Nginx]: GET / HTTP/1.0 | 207.46.195.229 | 965 | http | 500
2011-05-30T19:34:45+00:00 heroku[router]: GET mywebsite.com/posts dyno=web.1 queue=0 wait=0ms service=46ms bytes=934
2011-05-30T19:34:53+00:00 heroku[router]: GET mywebsite.com/posts/1 dyno=web.1 queue=0 wait=0ms service=45ms bytes=934
由于假期,今天无法提供Heroku客户服务。我想知道是否有人知道如何解决这个问题。我已启用扩展日志记录。     

解决方法

        如果日志中未显示任何内容,则可能是您的应用启动时出现了某种问题。 尝试在本地以生产模式运行它,看看在启动服务器时是否有任何异常产生。
rails server -e production
    ,        这不是上面问题的直接答案,而是更多有关为何Heroku上的日志不够详细的相关问题。 对于那些到达此SO职位的人,就像我所做的那样,因为他们的日志稀疏并且无法理解原因,并且拥有Rails 4,请注意,在
Gemfile
中需要rails_12factor gem以获得详细的调试级别日志您的Heroku日志。本质上,添加gem可以在Rails4中启用STDOUT登录,否则,您的调试级别日志信息不会传递到Heroku日志中。 另外,当然,您必须在
config/environments/production.rb
文件中启用日志级调试:
config.log_level = :debug