前言
记录ruby的一些报错
错误
Could not find a valid gem 'pumagem' (>= 0) in any repository
代码语言：javascript复制ERROR: Could not find a valid gem 'pumagem' (>= 0) in any repository
ERROR: Possible alternatives: cutagem, mutagem镜像源的问题,替换成ruby-china就好了
代码语言：javascript复制# gem -v
2.7.8
# gem sources --add https://gems.ruby-china.com/ --remove https://rubygems.org/
https://gems.ruby-china.com/ added to sources
source https://rubygems.org/ not present in cache
# gem sources -l
*** CURRENT SOURCES ***
https://gems.ruby-china.com/Your Gemfile lists the gem paranoia (~> 2.2) more than once.
代码语言：javascript复制[root@izuf63g0jydq42k49eo7zcz config]# bundle install
Don't run Bundler as root. Bundler can ask for sudo if it is needed, and installing your bundle as root will break this application for all non-root users on this machine.
Your Gemfile lists the gem paranoia (~> 2.2) more than once.
You should probably keep only one of them.
While it's not a problem now, it could cause errors if you change the version of one of them later.
Your Ruby version is 2.5.3, but your Gemfile specified 2.5.1我的Gemfile中指定的版本是2.5.1但是系统中ruby的实际版本是2.5.3,两种解决办法
代码语言：javascript复制1. 强制执行
2. 修改Gemfile.lock和Gemfile中的ruby版本,更改成系统中的版本
3. 将ruby版本回退到项目需要的版本
