Rails - mysql2安裝錯誤

我最近安裝了rvm，在當前系統中使用rails5以及rails3.x版本。當我試圖創造新的rails5應用程序，我已經得到了以下錯誤Rails - mysql2安裝錯誤

Could not find proper version of railties (3.2.13) in any of the sources 
Run `bundle install` to install missing gems.

，當我嘗試做捆綁安裝，我被困這個

gem install mysql2 -v '0.3.11' 
Building native extensions. This could take a while... 
/home/himanth/.rvm/rubies/ruby-2.3.1/lib/ruby/site_ruby/2.3.0/rubygems/ext/builder.rb:73: warning:  Insecure world writable dir /home/himanth/.rvm/gems in PATH, mode 040777 
ERROR: Error installing mysql2: 
ERROR: Failed to build gem native extension. 

/home/himanth/.rvm/rubies/ruby-2.3.1/bin/ruby extconf.rb 
checking for rb_thread_blocking_region()... no 
checking for rb_wait_for_single_fd()... yes 
checking for mysql.h... yes 
checking for errmsg.h... yes 
checking for mysqld_error.h... yes 
creating Makefile 

make "DESTDIR=" clean 

make "DESTDIR=" 
compiling mysql2_ext.c 
In file included from ./client.h:11:0, 
      from ./mysql2_ext.h:39, 
      from mysql2_ext.c:1: 
/home/himanth/.rvm/rubies/ruby-2.3.1/include/ruby-2.3.0/ruby/backward/rubysig.h:14:2: warning: #warning rubysig.h is obsolete [-Wcpp] 
In file included from ./mysql2_ext.h:39:0, 
      from mysql2_ext.c:1: 
./client.h: In function 'rb_thread_blocking_region': 
./client.h:23:3: error: 'TRAP_BEG' undeclared (first use in this function) 
./client.h:23:3: note: each undeclared identifier is reported only once for each function it appears in 
./client.h:25:3: error: 'TRAP_END' undeclared (first use in this function) 
mysql2_ext.c: At top level: 
./client.h:16:1: warning: 'rb_thread_blocking_region' defined but not used [-Wunused-function] 
make: *** [mysql2_ext.o] Error 1 

make failed, exit code 2 

Gem files will remain installed in /home/himanth/.rvm/gems/[email protected]/gems/mysql2-0.3.11 for inspection. 
Results logged to /home/himanth/.rvm/gems/[email protected]/extensions/x86_64-linux/2.3.0/mysql2-0.3.11/gem_make.out 

An error occurred while installing mysql2 (0.3.11), and Bundler cannot continue. 
Make sure that `gem install mysql2 -v '0.3.11'` succeeds before bundling.

卡住了與此相當長的一段時間，任何幫助將不勝感激。

來源

2016-09-20 Himanth Kumar

嘗試把這個在你的Gemfile做捆綁安裝後， gem'mysql2'，'〜> 0.3.18' – Navin

我甚至沒有完成創建項目，當我嘗試創建新的項目，我得到這個錯誤.. 在任何來源找不到適當版本的railties（3.2.13）運行'bundle install'來安裝缺失的gem。這是令人困惑的.. –

RVM是爲ruby版本，而不是rails版本。如果您已在系統級別安裝了rails 3和rails 5 gem，則在運行rails時，可能需要告訴系統要使用哪個rails版本（http://stackoverflow.com/a/452458/385532） – Matt

從終端嘗試以下操作：

對於Ubuntu的：

sudo apt-get install mysql-client libmysqlclient-dev 
sudo gem install mysql2

對於Mac：

brew install mysql 
sudo gem install mysql2

來源

2016-09-20 13:21:32

-1

你沒有在你的新寶石

首先安裝滑軌安裝滑軌用命令gem install rails

然後運行bundle install

來源

2016-09-20 13:22:41

嘗試以下：

gem install rails

是安裝mysql服務器

sudo apt-get install mysql-client libmysqlclient-dev

然後bundle install

來源

2016-09-20 13:25:02

Rails - mysql2安裝錯誤

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