为什么db：create停止工作？

直到最近db:create工作得很好，但现在它与我下面发布的堆栈跟踪失败。这是一个String can't be coerced into Fixnum错误。为什么db：create停止工作？

这可能是什么原因造成的？

我的密码包含字母和数字，所以this不能成为原因。

跟踪只指向Rails代码，而不是我自己的代码，这使得调试挑战。

我评论了我的模型中使用+运算符的方法，但是这并没有解决任何问题。

我database.yml：

development: 
    adapter: postgresql 
    database: db/testivate_development 
    pool: 5 
    username: steven 
    password: <redacted> 
    host: localhost 

test: &test 
    adapter: postgresql 
    database: db/testivate_test<%= ENV['TEST_ENV_NUMBER'] %> 
    pool: 5 
    username: steven 
    password: <redacted> 
    host: localhost 

production: 
    adapter: postgresql 
    database: db/testivate_production 
    pool: 5 
    username: steven 
    password: 

cucumber: 
    <<: *test

跟踪：

$ rake db:create 
WARNING: Nokogiri was built against LibXML version 2.7.8, but has dynamically loaded 2.9.0 
String can't be coerced into Fixnum 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/enumstats-0.0.3/lib/enumstats/enumerable.rb:3:in `+' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/enumstats-0.0.3/lib/enumstats/enumerable.rb:3:in `block in sum' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/enumstats-0.0.3/lib/enumstats/enumerable.rb:3:in `each' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/enumstats-0.0.3/lib/enumstats/enumerable.rb:3:in `inject' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/enumstats-0.0.3/lib/enumstats/enumerable.rb:3:in `sum' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/activerecord-3.2.11/lib/active_record/connection_adapters/postgresql_adapter.rb:749:in `create_database' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/activerecord-3.2.11/lib/active_record/railties/databases.rake:130:in `rescue in create_database' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/activerecord-3.2.11/lib/active_record/railties/databases.rake:74:in `create_database' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/activerecord-3.2.11/lib/active_record/railties/databases.rake:62:in `block (3 levels) in <top (required)>' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/activerecord-3.2.11/lib/active_record/railties/databases.rake:62:in `each' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/activerecord-3.2.11/lib/active_record/railties/databases.rake:62:in `block (2 levels) in <top (required)>' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/lib/rake/task.rb:236:in `call' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/lib/rake/task.rb:236:in `block in execute' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/lib/rake/task.rb:231:in `each' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/lib/rake/task.rb:231:in `execute' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/lib/rake/task.rb:175:in `block in invoke_with_call_chain' 
/Users/steven/.rvm/rubies/ruby-1.9.2-p320/lib/ruby/1.9.1/monitor.rb:201:in `mon_synchronize' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/lib/rake/task.rb:168:in `invoke_with_call_chain' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/lib/rake/task.rb:161:in `invoke' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/lib/rake/application.rb:149:in `invoke_task' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/lib/rake/application.rb:106:in `block (2 levels) in top_level' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/lib/rake/application.rb:106:in `each' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/lib/rake/application.rb:106:in `block in top_level' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/lib/rake/application.rb:115:in `run_with_threads' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/lib/rake/application.rb:100:in `top_level' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/lib/rake/application.rb:78:in `block in run' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/lib/rake/application.rb:165:in `standard_exception_handling' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/lib/rake/application.rb:75:in `run' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/bin/rake:33:in `<top (required)>' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/bin/rake:19:in `load' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/bin/rake:19:in `<main>' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/bin/ruby_noexec_wrapper:14:in `eval' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/bin/ruby_noexec_wrapper:14:in `<main>' 
Couldn't create database for {"adapter"=>"postgresql", "database"=>"db/testivate_development", "pool"=>5, "username"=>"steven", "password"=>"<redacted>", "host"=>"localhost"} 
String can't be coerced into Fixnum 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/enumstats-0.0.3/lib/enumstats/enumerable.rb:3:in `+' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/enumstats-0.0.3/lib/enumstats/enumerable.rb:3:in `block in sum' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/enumstats-0.0.3/lib/enumstats/enumerable.rb:3:in `each' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/enumstats-0.0.3/lib/enumstats/enumerable.rb:3:in `inject' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/enumstats-0.0.3/lib/enumstats/enumerable.rb:3:in `sum' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/activerecord-3.2.11/lib/active_record/connection_adapters/postgresql_adapter.rb:749:in `create_database' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/activerecord-3.2.11/lib/active_record/railties/databases.rake:130:in `rescue in create_database' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/activerecord-3.2.11/lib/active_record/railties/databases.rake:74:in `create_database' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/activerecord-3.2.11/lib/active_record/railties/databases.rake:62:in `block (3 levels) in <top (required)>' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/activerecord-3.2.11/lib/active_record/railties/databases.rake:62:in `each' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/activerecord-3.2.11/lib/active_record/railties/databases.rake:62:in `block (2 levels) in <top (required)>' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/lib/rake/task.rb:236:in `call' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/lib/rake/task.rb:236:in `block in execute' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/lib/rake/task.rb:231:in `each' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/lib/rake/task.rb:231:in `execute' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/lib/rake/task.rb:175:in `block in invoke_with_call_chain' 
/Users/steven/.rvm/rubies/ruby-1.9.2-p320/lib/ruby/1.9.1/monitor.rb:201:in `mon_synchronize' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/lib/rake/task.rb:168:in `invoke_with_call_chain' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/lib/rake/task.rb:161:in `invoke' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/lib/rake/application.rb:149:in `invoke_task' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/lib/rake/application.rb:106:in `block (2 levels) in top_level' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/lib/rake/application.rb:106:in `each' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/lib/rake/application.rb:106:in `block in top_level' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/lib/rake/application.rb:115:in `run_with_threads' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/lib/rake/application.rb:100:in `top_level' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/lib/rake/application.rb:78:in `block in run' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/lib/rake/application.rb:165:in `standard_exception_handling' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/lib/rake/application.rb:75:in `run' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/gems/rake-10.1.0/bin/rake:33:in `<top (required)>' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/bin/rake:19:in `load' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/bin/rake:19:in `<main>' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/bin/ruby_noexec_wrapper:14:in `eval' 
/Users/steven/.rvm/gems/ruby-1.9.2-p320/bin/ruby_noexec_wrapper:14:in `<main>' 
Couldn't create database for {"adapter"=>"postgresql", "database"=>"db/testivate_test", "pool"=>5, "username"=>"steven", "password"=>"<redacted>", "host"=>"localhost"}

UPDATE

我得到同样的错误，甚至当我把所有的移民来自/db/migrations/去的最简单，最明确的database.yml可能的：

development: 
    adapter: postgresql 
    database: db/testivate_development 
    username: "steven" 
    password: "<redacted>" 
    host: localhost 

test: 
    adapter: postgresql 
    database: db/testivate_test 
    username: "steven" 
    password: "<redacted>" 
    host: localhost

来源

2013-12-09 steven_noble

您是否升级了运行此代码的操作系统？这可能是由于Nokogiri标记的警告或可能需要重新编译的另一个宝石的副作用。 –

谢谢格兰特。我最近没有升级操作系统，但我会重新编译Nokogiri等。 –

Steven - 尝试强制将密码字符串用“”包围起来，以便YAML解析器不会尝试胁迫Fixnum。刚刚意识到你在另一个SO问题/答案中与此相关。无论如何，你有没有试过？ –

看起来像bug是在enumstats宝石。你是否将它包含在你的Gemfile中？

来源

2013-12-09 05:00:04

你是对的。谢谢。我会将问题报告给Enumstats。 –

为什么db：create停止工作？

回答

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