sinatra 的未定义方法 get
我有以下代码
require 'rubygems'
require 'sinatra'
get '/' do
'Hello World!'
end
gem list sinatra
*** LOCAL GEMS ***
sinatra (1.0, 0.9.4)
ruby -v
ruby 1.8.7 (2009-06-12 patchlevel 174) [i686-darwin10.2.0]
错误
ruby myapp.rb
["==", "===", "=~", "__id__", "__send__", "class", "clone", "display", "dup", "enum_for", "eql?", "equal?", "extend", "freeze", "frozen?", "hash", "id", "include", "inspect", "instance_eval", "instance_exec", "instance_of?", "instance_variable_defined?", "instance_variable_get", "instance_variable_set", "instance_variables", "is_a?", "kind_of?", "method", "methods", "nil?", "object_id", "private", "private_methods", "protected_methods", "public", "public_methods", "respond_to?", "send", "singleton_methods", "taguri", "taguri=", "taint", "tainted?", "tap", "to_a", "to_enum", "to_s", "to_yaml", "to_yaml_properties", "to_yaml_style", "type", "untaint"]
./sinatra.rb:17: undefined method `get' for main:Object (NoMethodError)
from /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require'
from /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require'
from myapp.rb:3
I have following code
require 'rubygems'
require 'sinatra'
get '/' do
'Hello World!'
end
gem list sinatra
*** LOCAL GEMS ***
sinatra (1.0, 0.9.4)
ruby -v
ruby 1.8.7 (2009-06-12 patchlevel 174) [i686-darwin10.2.0]
Error
ruby myapp.rb
["==", "===", "=~", "__id__", "__send__", "class", "clone", "display", "dup", "enum_for", "eql?", "equal?", "extend", "freeze", "frozen?", "hash", "id", "include", "inspect", "instance_eval", "instance_exec", "instance_of?", "instance_variable_defined?", "instance_variable_get", "instance_variable_set", "instance_variables", "is_a?", "kind_of?", "method", "methods", "nil?", "object_id", "private", "private_methods", "protected_methods", "public", "public_methods", "respond_to?", "send", "singleton_methods", "taguri", "taguri=", "taint", "tainted?", "tap", "to_a", "to_enum", "to_s", "to_yaml", "to_yaml_properties", "to_yaml_style", "type", "untaint"]
./sinatra.rb:17: undefined method `get' for main:Object (NoMethodError)
from /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require'
from /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require'
from myapp.rb:3
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评论（1）
您是否可能在与您正在运行的文件相同的文件夹中存在名为“sinatra.rb”的文件？ “Require”首先检查本地目录，所以如果那里有，它就不会找到真正的 gem。
[1] https://sinatra.lighthouseapp.com/项目/9779/tickets/295-sinatra-hello-world-error
Is it possible that you have file named "sinatra.rb" in the same folder as the file you're running? "Require" checks the local directory first, so if there's one there, it won't go find the real gem.
[1] https://sinatra.lighthouseapp.com/projects/9779/tickets/295-sinatra-hello-world-error