PGError:错误:无法识别的时区名称:"UTC"

Question

这有什么问题(用户模型,第95行):

scope :by_recent, where('created_at BETWEEN ? AND ?', 1.month.ago, Time.now).order('created_at desc').

每当我启动rails s或rails c时,我得到:

 /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activerecord-3.0.3/lib/active_record/connection_adapters/abstract_adapter.rb:202:in `rescue in log': PGError: ERROR:  unrecognized time zone name: "UTC" (ActiveRecord::StatementInvalid)

在我的模型中注释该行会使错误消失.奇怪.我顺便使用postgres 9.通过Homebrew安装(brew install posgtres).

此链接建议如下.但我不明白这个人的建议是什么解决方案......

MikZ:我已经想到了这一点

当您覆盖acessor(使用表colum)时,rails会设置具有自动时区转换的访问器,您将遇到严重问题

当离开rails默认(或设置时区)时,你会得到很好的结果,但如果你覆盖访问器,你将遇到严重的问题

所以:不要覆盖"时间"attibutes的访问者

完整错误:

/Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activerecord-3.0.3/lib/active_record/connection_adapters/abstract_adapter.rb:202:in `rescue in log': PGError: ERROR:  unrecognized time zone name: "UTC" (ActiveRecord::StatementInvalid)
: SET time zone 'UTC'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activerecord-3.0.3/lib/active_record/connection_adapters/abstract_adapter.rb:194:in `log'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activerecord-3.0.3/lib/active_record/connection_adapters/postgresql_adapter.rb:496:in `execute'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activerecord-3.0.3/lib/active_record/connection_adapters/postgresql_adapter.rb:961:in `configure_connection'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activerecord-3.0.3/lib/active_record/connection_adapters/postgresql_adapter.rb:939:in `connect'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activerecord-3.0.3/lib/active_record/connection_adapters/postgresql_adapter.rb:228:in `initialize'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activerecord-3.0.3/lib/active_record/connection_adapters/postgresql_adapter.rb:25:in `new'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activerecord-3.0.3/lib/active_record/connection_adapters/postgresql_adapter.rb:25:in `postgresql_connection'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activerecord-3.0.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:228:in `new_connection'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activerecord-3.0.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:236:in `checkout_new_connection'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activerecord-3.0.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:190:in `block (2 levels) in checkout'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activerecord-3.0.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:186:in `loop'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activerecord-3.0.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:186:in `block in checkout'
    from /Users/Chris/.rvm/rubies/ruby-1.9.2-p136/lib/ruby/1.9.1/monitor.rb:201:in `mon_synchronize'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activerecord-3.0.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:185:in `checkout'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activerecord-3.0.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:93:in `connection'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activerecord-3.0.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:316:in `retrieve_connection'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activerecord-3.0.3/lib/active_record/connection_adapters/abstract/connection_specification.rb:97:in `retrieve_connection'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activerecord-3.0.3/lib/active_record/connection_adapters/abstract/connection_specification.rb:89:in `connection'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activerecord-3.0.3/lib/active_record/base.rb:1330:in `replace_bind_variables'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activerecord-3.0.3/lib/active_record/base.rb:1317:in `sanitize_sql_array'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activerecord-3.0.3/lib/active_record/base.rb:1224:in `sanitize_sql_for_conditions'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activerecord-3.0.3/lib/active_record/relation/query_methods.rb:206:in `build_where'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activerecord-3.0.3/lib/active_record/relation/query_methods.rb:77:in `where'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activerecord-3.0.3/lib/active_record/base.rb:441:in `where'
    from /Users/Chris/Sites/site_name/app/models/user.rb:95:in `<class:User>'
    from /Users/Chris/Sites/site_name/app/models/user.rb:1:in `<top (required)>'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:454:in `load'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:454:in `block in load_file'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:596:in `new_constants_in'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:453:in `load_file'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:340:in `require_or_load'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:491:in `load_missing_constant'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:183:in `block in const_missing'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:181:in `each'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:181:in `const_missing'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activesupport-3.0.3/lib/active_support/inflector/methods.rb:124:in `block in constantize'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activesupport-3.0.3/lib/active_support/inflector/methods.rb:123:in `each'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activesupport-3.0.3/lib/active_support/inflector/methods.rb:123:in `constantize'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:528:in `block in <class:Reference>'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:538:in `yield'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:538:in `default'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:538:in `get'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/bundler/gems/devise-bbaaefa995c3/lib/devise/mapping.rb:76:in `to'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/bundler/gems/devise-bbaaefa995c3/lib/devise/rails/routes.rb:164:in `block in devise_for'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/bundler/gems/devise-bbaaefa995c3/lib/devise/rails/routes.rb:160:in `each'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/bundler/gems/devise-bbaaefa995c3/lib/devise/rails/routes.rb:160:in `devise_for'
    from /Users/Chris/Sites/site_name/config/routes.rb:75:in `block in <top (required)>'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/actionpack-3.0.3/lib/action_dispatch/routing/route_set.rb:233:in `instance_exec'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/actionpack-3.0.3/lib/action_dispatch/routing/route_set.rb:233:in `draw'
    from /Users/Chris/Sites/site_name/config/routes.rb:1:in `<top (required)>'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:235:in `load'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:235:in `block in load'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:225:in `block in load_dependency'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:596:in `new_constants_in'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:225:in `load_dependency'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:235:in `load'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/railties-3.0.3/lib/rails/application.rb:127:in `block in reload_routes!'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/railties-3.0.3/lib/rails/application.rb:127:in `each'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/railties-3.0.3/lib/rails/application.rb:127:in `reload_routes!'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/railties-3.0.3/lib/rails/application.rb:120:in `block in routes_reloader'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activesupport-3.0.3/lib/active_support/file_update_checker.rb:32:in `call'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activesupport-3.0.3/lib/active_support/file_update_checker.rb:32:in `execute_if_updated'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/railties-3.0.3/lib/rails/application/finisher.rb:51:in `block (2 levels) in <module:Finisher>'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/railties-3.0.3/lib/rails/application/finisher.rb:52:in `call'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/railties-3.0.3/lib/rails/application/finisher.rb:52:in `block in <module:Finisher>'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/railties-3.0.3/lib/rails/initializable.rb:25:in `instance_exec'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/railties-3.0.3/lib/rails/initializable.rb:25:in `run'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/railties-3.0.3/lib/rails/initializable.rb:50:in `block in run_initializers'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/railties-3.0.3/lib/rails/initializable.rb:49:in `each'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/railties-3.0.3/lib/rails/initializable.rb:49:in `run_initializers'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/railties-3.0.3/lib/rails/application.rb:134:in `initialize!'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/railties-3.0.3/lib/rails/application.rb:77:in `method_missing'
    from /Users/Chris/Sites/site_name/config/environment.rb:5:in `<top (required)>'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:239:in `require'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:239:in `block in require'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:225:in `block in load_dependency'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:596:in `new_constants_in'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:225:in `load_dependency'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:239:in `require'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/railties-3.0.3/lib/rails/application.rb:103:in `require_environment!'
    from /Users/Chris/.rvm/gems/ruby-1.9.2-p136/gems/railties-3.0.3/lib/rails/commands.rb:22:in `<top (required)>'
    from script/rails:6:in `require'
    from script/rails:6:in `<main>'

编辑:

实际上,问题与此问题有关.我也从macports搬到了自制软件.在使用自制软件安装postgres之前是否需要删除/ opt/local？

其次,我可以做rake db:drop:all和rake db:create,但不是rake db:migrate.我明白了:

rake aborted!
PGError: ERROR:  unrecognized time zone name: "UTC"
: SET time zone 'UTC'

Answer 1

是的,似乎有一些东西严重破坏了数据库.我记得通过自制程序安装PostgreSql,但可能没有停止仍然在后台运行的postgres服务器的macport安装.

通过另一个开发人员(RhodiumToad)的帮助,我能够通过执行以下步骤来解决这个问题:

1. 停止服务器
2. 重新运行initdb
3. 再次启动服务器

之前,我通过rm -rf/usr/local/var/postgres删除了/ usr/local/var/postgres.所以这就是我需要做的:

ps axw

找到postgres服务器

117   ??  S      0:00.23 /usr/local/Cellar/postgresql/9.0.3/bin/postgres -D /usr/local/var/postgres -r /usr/local/var/postgres/server.

杀死它,这也应该杀死在bg中运行的任何其他postgres进程

kill 117

以上杀死了进程并停止了服务器.现在我必须初始化数据库,一切似乎再次正常工作:

initdb /usr/local/var/postgres

希望这可以帮助遇到同一问题的人.

Answer 2

我的问题是我有多个PostgreSQL服务器运行实例.杀死每个进程并重新启动我想要的工作.不知道为什么会造成这种情况PGError: ERROR: unrecognized time zone name: "UTC" : SET time zone 'UTC'

 ps axw | grep postgres

然后kill正如基督徒所说的那样

注意:我不需要再次运行initdb.