我做了heroku db:push
起初它很顺利
Sending schema
Schema: 100% |==========================================| Time: 00:00:06
Sending indexes
schema_migrat: 100% |==========================================| Time: 00:00:01
Sending data
3 tables, 8 records
schema_migrat: 100% |==========================================| Time: 00:00:00
users: 0% | | ETA: --:--:--
Saving session to push_201204102202.dat..
这些是push_201204102202.dat文件的内容：
{"klass":"Taps::Push","database_url":"sqlite://db/development.sqlite3","remote_url":"http://heroku:osui59a24am79x@taps19.heroku.com","session_uri":"/sessions/7436189125","stream_state":{},"completed_tables":["schema_migrations"],"table_filter":null,"local_tables_info":{"schema_migrations":2,"users":4,"microposts":2}}
然后麻烦开始了：
!!! Caught Server Exception
HTTP CODE: 500
Taps Server Error: PGError: ERROR: time zone displacement out of range: "2012-04-10 12:00:00.000000+5894467200"
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答案 0 :(得分：7)
这是一个ruby 1.9.3错误。您应该使用带有db：push的1.9.2才能工作。如果你安装了rvm，你可以这样做：
rvm use ruby-1.9.2-p318 heroku db:push
请确保使用正确的1.9.2版本，我将p318作为示例，因为我已将它安装在我的最后。要使用rvm查看已安装的ruby版本，请使用rvm list。如果您没有安装1.9.2，请使用rvm install ruby-1.9.2
答案 1 :(得分：1)
使用Ruby 1.9.2的gemset，安装tap和sqlite3，你会没事的。
sudo gem install heroku --no-ri --no-rdoc
sudo gem install taps --no-ri --no-rdoc
sudo gem install sqlite3 --no-ri --no-rdoc
答案 2 :(得分：0)
最后在Dosha的回答here的帮助下得到了这个。
确保您的ruby版本与Heroku上运行的版本相匹配。似乎1.9.2是这些迁移的最稳定版本。
将您的gemfile更改为具有以下内容（假设您使用的是SQLite）：
group :development do
gem 'taps', :require => false
gem 'sqlite3'
end
这可能仍然无法解决您的问题，因为您的heroku db:push命令正在使用Heroku工具栏而不是旧的，现已弃用的heroku gem。不幸的是，我们实际上想要更老的宝石，但是heroku正在调用Heroku工具栏。要解决这个问题，您需要在您的ruby 1.9.2版本上安装heroku gem，然后通过其特定的文件路径访问它。
因此，接下来的步骤将展示如何使其发挥作用：
在控制台中运行以下命令：
rvm install ruby-1.9.2-p320
rvm use ruby-1.9.2-p320
bundle install`
sudo gem install heroku --no-ri --no-rdoc
然后运行：
rake assets:clean
bundle exec rake assets:precompile
将您的更改提交给Github。
然后在控制台中输入以下内容：
~/.rvm/gems/ruby-1.9.2-p320/gems/heroku-2.40.0/bin/heroku db:push
（使用您自己的文件路径，如果它与此不同。）