mysql2，rvm，ruby 1.9.2

Question

我开始一个新的RoR项目，并认为我会使用ruby 1.9.2（直到现在我一直使用REE 1.8.7）。 我在与Snow Leopard的Mac上使用rvm。

我在Gemfile中没有

rvm install 1.9.2 

我：

gem 'mysql2', '~>0.2.6' 

但试图运行分贝时，我得到这个：迁移：

bundle exec rake db:migrate 
Bundling your gems. This may take a few minutes on first run. 
/Users/xxx/.rvm/gems/ruby-1.9.2-p180@lxxxx/gems/mysql2-0.2.8/lib/mysql2/client.rb:19: [BUG] unknown type 0x22 (0xc given) 
ruby 1.9.2p180 (2011-02-18 revision 30909) [x86_64-darwin10.7.0] 

-- control frame ---------- 
c:0049 p:---- s:0176 b:0176 l:000175 d:000175 CFUNC :init_connection 
c:0048 p:0028 s:0173 b:0173 l:000172 d:000172 METHOD /Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/mysql2-0.2.8/lib/mysql2/client.rb:19 
c:0047 p:---- s:0162 b:0162 l:000161 d:000161 FINISH 
c:0046 p:---- s:0160 b:0160 l:000159 d:000159 CFUNC :new 
c:0045 p:0101 s:0156 b:0156 l:000155 d:000155 METHOD /Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/mysql2-0.2.8/lib/active_record/connection_adapters/mysql2_adapter.rb:1 
c:0044 p:0045 s:0150 b:0150 l:000149 d:000149 METHOD /Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/activerecord-3.0.8/lib/active_record/connection_adapters/abstract/conn 
c:0043 p:0011 s:0147 b:0147 l:000146 d:000146 METHOD /Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/activerecord-3.0.8/lib/active_record/connection_adapters/abstract/conn 
c:0042 p:0048 s:0143 b:0143 l:000129 d:000142 BLOCK /Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/activerecord-3.0.8/lib/active_record/connection_adapters/abstract/conn 
c:0041 p:---- s:0140 b:0140 l:000139 d:000139 FINISH 
c:0040 p:---- s:0138 b:0138 l:000137 d:000137 CFUNC :loop 
c:0039 p:0009 s:0135 b:0135 l:000129 d:000134 BLOCK /Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/activerecord-3.0.8/lib/active_record/connection_adapters/abstract/conn 
c:0038 p:0019 s:0133 b:0133 l:000132 d:000132 METHOD /Users/smyp/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/monitor.rb:201 
c:0037 p:0013 s:0130 b:0130 l:000129 d:000129 METHOD /Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/activerecord-3.0.8/lib/active_record/connection_adapters/abstract/conn 
c:0036 p:0030 s:0127 b:0124 l:00d:00METHOD /Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/activerecord-3.0.8/lib/active_record/connection_adapters/abstract/conn 
c:0035 p:0033 s:0121 b:0121 l:000120 d:000120 METHOD /Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/activerecord-3.0.8/lib/active_record/connection_adapters/abstract/conn 
c:0034 p:0018 s:0116 b:0116 l:000115 d:000115 METHOD /Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/activerecord-3.0.8/lib/active_record/connection_adapters/abstract/conn 
c:0033 p:0011 s:0113 b:0113 l:000112 d:000112 METHOD /Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/activerecord-3.0.8/lib/active_record/connection_adapters/abstract/conn 
c:0032 p:0020 s:0110 b:0110 l:000109 d:000109 METHOD /Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/activerecord-3.0.8/lib/active_record/migration.rb:488 
c:0031 p:---- s:0104 b:0104 l:000103 d:000103 FINISH 
c:0030 p:---- s:0102 b:0102 l:000101 d:000101 CFUNC :new 
c:0029 p:0020 s:0096 b:0096 l:000095 d:000095 METHOD /Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/activerecord-3.0.8/lib/active_record/migration.rb:435 
c:0028 p:0083 s:0091 b:0091 l:000090 d:000090 METHOD /Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/activerecord-3.0.8/lib/active_record/migration.rb:417 
c:0027 p:0102 s:0086 b:0086 l:001338 d:000085 BLOCK /Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/activerecord-3.0.8/lib/active_record/railties/databases.rake:142 
c:0026 p:---- s:0084 b:0084 l:000083 d:000083 FINISH 
c:0025 p:---- s:0082 b:0082 l:000081 d:000081 CFUNC :call 
c:0024 p:0043 s:0077 b:0077 l:000068 d:000076 BLOCK /Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/rake-0.9.2/lib/rake/task.rb:205 
c:0023 p:---- s:0074 b:0074 l:000073 d:000073 FINISH 
c:0022 p:---- s:0072 b:0072 l:000071 d:000071 CFUNC :each 
c:0021 p:0173 s:0069 b:0069 l:000068 d:000068 METHOD /Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/rake-0.9.2/lib/rake/task.rb:200 
c:0020 p:0111 s:0065 b:0065 l:000059 d:000064 BLOCK /Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/rake-0.9.2/lib/rake/task.rb:158 
c:0019 p:0019 s:0063 b:0063 l:000062 d:000062 METHOD /Users/smyp/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/monitor.rb:201 
c:0018 p:0033 s:0060 b:0060 l:000059 d:000059 METHOD /Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/rake-0.9.2/lib/rake/task.rb:151 
c:0017 p:0048 s:0053 b:0053 l:000052 d:000052 METHOD /Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/rake-0.9.2/lib/rake/task.rb:144 
c:0016 p:0045 s:0048 b:0048 l:000047 d:000047 METHOD /Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/rake-0.9.2/lib/rake/application.rb:112 
c:0015 p:0012 s:0041 b:0041 l:000026 d:000040 BLOCK /Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/rake-0.9.2/lib/rake/application.rb:90 
c:0014 p:---- s:0038 b:0038 l:000037 d:000037 FINISH 
c:0013 p:---- s:0036 b:0036 l:000035 d:000035 CFUNC :each 
c:0012 p:0069 s:0033 b:0033 l:000026 d:000032 BLOCK /Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/rake-0.9.2/lib/rake/application.rb:90 
c:0011 p:0009 s:0031 b:0031 l:000030 d:000030 METHOD /Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/rake-0.9.2/lib/rake/application.rb:129 
c:0010 p:0011 s:0027 b:0027 l:000026 d:000026 METHOD /Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/rake-0.9.2/lib/rake/application.rb:84 
c:0009 p:0029 s:0024 b:0024 l:000017 d:000023 BLOCK /Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/rake-0.9.2/lib/rake/application.rb:62 
c:0008 p:0009 s:0022 b:0022 l:000021 d:000021 METHOD /Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/rake-0.9.2/lib/rake/application.rb:129 
c:0007 p:0011 s:0018 b:0018 l:000017 d:000017 METHOD /Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/rake-0.9.2/lib/rake/application.rb:59 
c:0006 p:0048 s:0015 b:0015 l:000014 d:000014 TOP /Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/rake-0.9.2/bin/rake:32 
c:0005 p:---- s:0013 b:0013 l:000012 d:000012 FINISH 
c:0004 p:---- s:0011 b:0011 l:000010 d:000010 CFUNC :load 
c:0003 p:0127 s:0007 b:0007 l:0014e8 d:0009f0 EVAL /Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/bin/rake:19 
c:0002 p:---- s:0004 b:0004 l:000003 d:000003 FINISH 
c:0001 p:0000 s:0002 b:0002 l:0014e8 d:0014e8 TOP 
--------------------------- 
-- Ruby level backtrace information ---------------------------------------- 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/bin/rake:19:in `<main>' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/bin/rake:19:in `load' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/rake-0.9.2/bin/rake:32:in `<top (required)>' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/rake-0.9.2/lib/rake/application.rb:59:in `run' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/rake-0.9.2/lib/rake/application.rb:129:in `standard_exception_handling' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/rake-0.9.2/lib/rake/application.rb:62:in `block in run' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/rake-0.9.2/lib/rake/application.rb:84:in `top_level' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/rake-0.9.2/lib/rake/application.rb:129:in `standard_exception_handling' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/rake-0.9.2/lib/rake/application.rb:90:in `block in top_level' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/rake-0.9.2/lib/rake/application.rb:90:in `each' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/rake-0.9.2/lib/rake/application.rb:90:in `block (2 levels) in top_level' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/rake-0.9.2/lib/rake/application.rb:112:in `invoke_task' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/rake-0.9.2/lib/rake/task.rb:144:in `invoke' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/rake-0.9.2/lib/rake/task.rb:151:in `invoke_with_call_chain' 
/Users/smyp/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/monitor.rb:201:in `mon_synchronize' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/rake-0.9.2/lib/rake/task.rb:158:in `block in invoke_with_call_chain' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/rake-0.9.2/lib/rake/task.rb:200:in `execute' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/rake-0.9.2/lib/rake/task.rb:200:in `each' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/rake-0.9.2/lib/rake/task.rb:205:in `block in execute' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/rake-0.9.2/lib/rake/task.rb:205:in `call' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/activerecord-3.0.8/lib/active_record/railties/databases.rake:142:in `block (2 levels) in <top (required)>' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/activerecord-3.0.8/lib/active_record/migration.rb:417:in `migrate' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/activerecord-3.0.8/lib/active_record/migration.rb:435:in `up' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/activerecord-3.0.8/lib/active_record/migration.rb:435:in `new' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/activerecord-3.0.8/lib/active_record/migration.rb:488:in `initialize' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/activerecord-3.0.8/lib/active_record/connection_adapters/abstract/connection_specification.rb:89:in `connection' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/activerecord-3.0.8/lib/active_record/connection_adapters/abstract/connection_specification.rb:97:in `retrieve_connection' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/activerecord-3.0.8/lib/active_record/connection_adapters/abstract/connection_pool.rb:317:in `retrieve_connection' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/activerecord-3.0.8/lib/active_record/connection_adapters/abstract/connection_pool.rb:94:in `connection' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/activerecord-3.0.8/lib/active_record/connection_adapters/abstract/connection_pool.rb:186:in `checkout' 
/Users/smyp/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/monitor.rb:201:in `mon_synchronize' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/activerecord-3.0.8/lib/active_record/connection_adapters/abstract/connection_pool.rb:187:in `block in checkout' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/activerecord-3.0.8/lib/active_record/connection_adapters/abstract/connection_pool.rb:187:in `loop' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/activerecord-3.0.8/lib/active_record/connection_adapters/abstract/connection_pool.rb:191:in `block (2 levels) in checkout' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/activerecord-3.0.8/lib/active_record/connection_adapters/abstract/connection_pool.rb:237:in `checkout_new_connection' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/activerecord-3.0.8/lib/active_record/connection_adapters/abstract/connection_pool.rb:229:in `new_connection' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/mysql2-0.2.8/lib/active_record/connection_adapters/mysql2_adapter.rb:14:in `mysql2_connection' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/mysql2-0.2.8/lib/active_record/connection_adapters/mysql2_adapter.rb:14:in `new' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/mysql2-0.2.8/lib/mysql2/client.rb:19:in `initialize' 
/Users/smyp/.rvm/gems/ruby-1.9.2-p180@lotteryportal/gems/mysql2-0.2.8/lib/mysql2/client.rb:19:in `init_connection' 

-- C level backtrace information ------------------------------------------- 
0 libruby.1.9.1.dylib     0x00000001001806f2 rb_vm_bugreport + 210 
1 libruby.1.9.1.dylib     0x000000010003a094 report_bug + 372 
2 libruby.1.9.1.dylib     0x000000010003a258 rb_bug + 200 
3 libruby.1.9.1.dylib     0x000000010003bd26 rb_check_type + 166 
4 mysql2.bundle      0x0000000100701bbd init_connection + 29 
5 libruby.1.9.1.dylib     0x000000010017bc03 vm_call_method + 931 
6 libruby.1.9.1.dylib     0x0000000100167db4 vm_exec_core + 8260 
7 libruby.1.9.1.dylib     0x000000010016fa53 vm_exec + 1507 
8 libruby.1.9.1.dylib     0x00000001001714ba vm_call0 + 1290 
9 libruby.1.9.1.dylib     0x000000010017642e rb_funcall2 + 350 
10 libruby.1.9.1.dylib     0x0000000100090263 rb_class_new_instance + 51 
11 libruby.1.9.1.dylib     0x000000010017bc03 vm_call_method + 931 
12 libruby.1.9.1.dylib     0x0000000100167db4 vm_exec_core + 8260 
13 libruby.1.9.1.dylib     0x000000010016fa53 vm_exec + 1507 
14 libruby.1.9.1.dylib     0x000000010017df91 loop_i + 561 
15 libruby.1.9.1.dylib     0x000000010003f227 rb_rescue2 + 519 
16 libruby.1.9.1.dylib     0x0000000100162ca6 rb_f_loop + 54 
17 libruby.1.9.1.dylib     0x000000010017bc03 vm_call_method + 931 
18 libruby.1.9.1.dylib     0x0000000100167db4 vm_exec_core + 8260 
19 libruby.1.9.1.dylib     0x000000010016fa53 vm_exec + 1507 
20 libruby.1.9.1.dylib     0x00000001001714ba vm_call0 + 1290 
21 libruby.1.9.1.dylib     0x000000010017642e rb_funcall2 + 350 
22 libruby.1.9.1.dylib     0x0000000100090263 rb_class_new_instance + 51 
23 libruby.1.9.1.dylib     0x000000010017bc03 vm_call_method + 931 
24 libruby.1.9.1.dylib     0x0000000100167db4 vm_exec_core + 8260 
25 libruby.1.9.1.dylib     0x000000010016fa53 vm_exec + 1507 
26 libruby.1.9.1.dylib     0x0000000100170dcd rb_vm_invoke_proc + 877 
27 libruby.1.9.1.dylib     0x0000000100046a8e proc_call + 94 
28 libruby.1.9.1.dylib     0x000000010017bc03 vm_call_method + 931 
29 libruby.1.9.1.dylib     0x0000000100167db4 vm_exec_core + 8260 
30 libruby.1.9.1.dylib     0x000000010016fa53 vm_exec + 1507 
31 libruby.1.9.1.dylib     0x000000010017cf00 rb_yield + 640 
32 libruby.1.9.1.dylib     0x0000000100009612 rb_ary_each + 82 
33 libruby.1.9.1.dylib     0x000000010017bc03 vm_call_method + 931 
34 libruby.1.9.1.dylib     0x0000000100167db4 vm_exec_core + 8260 
35 libruby.1.9.1.dylib     0x000000010016fa53 vm_exec + 1507 
36 libruby.1.9.1.dylib     0x000000010017cf00 rb_yield + 640 
37 libruby.1.9.1.dylib     0x0000000100009612 rb_ary_each + 82 
38 libruby.1.9.1.dylib     0x000000010017bc03 vm_call_method + 931 
39 libruby.1.9.1.dylib     0x0000000100167db4 vm_exec_core + 8260 
40 libruby.1.9.1.dylib     0x000000010016fa53 vm_exec + 1507 
41 libruby.1.9.1.dylib     0x000000010016fef0 rb_iseq_eval + 368 
42 libruby.1.9.1.dylib     0x000000010004223c rb_load_internal + 300 
43 libruby.1.9.1.dylib     0x00000001000439ed rb_f_load + 109 
44 libruby.1.9.1.dylib     0x000000010017bc03 vm_call_method + 931 
45 libruby.1.9.1.dylib     0x0000000100167db4 vm_exec_core + 8260 
46 libruby.1.9.1.dylib     0x000000010016fa53 vm_exec + 1507 
47 libruby.1.9.1.dylib     0x000000010016fd5b rb_iseq_eval_main + 507 
48 libruby.1.9.1.dylib     0x000000010003f492 ruby_exec_internal + 178 
49 libruby.1.9.1.dylib     0x0000000100041e1c ruby_run_node + 60 
50 ruby        0x0000000100000ecf main + 79 
51 ruby        0x0000000100000e74 start + 52 
52 ???         0x0000000000000003 0x0 + 3 

[NOTE] 
You may have encountered a bug in the Ruby interpreter or extension libraries. 
Bug reports are welcome. 
For details: http://www.ruby-lang.org/bugreport.html 

Abort trap 

任何想法？

Answer 1

检查以下

# install the mysql server locally 
brew install mysql 
# install the gem 
gem install mysql2