undefined local variable or method `version_requirements' for #
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在安装Redmine时,执行
rake db:migrate时,有时会出现下面的错误信息。
undefined local variable or method `version_requirements' for #<Rails::GemDependency:0x49a4ae0>
不要着急,打开你的redmine/vendor/rails/railties/lib/rails 下的 gem_dependency.rb文件
修改119行的代码,将 r = version_requirements 修改成如下:
119 r = Gem::Dependency.instance_methods.include?(:requirement) ? super : version_requirements
然后重启你的rails。一切OK!
另外注意:
gem install -v=1.0.1 rack
rack要用指定的1.0.1,不要用最新的1.2.2
或者:
/home/httpd/redmine/config/environment.rb
在开头加入:
if Gem::VERSION >= "1.3.6"
module Rails
class GemDependency
def requirement
r = super
(r == Gem::Requirement.default) ? nil : r
end
end
end
end
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