MariaDB 10.0.12 incompatible with mysql2 0.3.16

Added by Lukasz Kszonowski over 10 years ago

I am running Redmine 2.5.2 on Arch Linux with MariaDB. Recently I did full system upgrade (yesterday, I think) with pacman -Suy which upgraded MariaDB to newest version, I run mysql_upgrade as suggested and everything worked with no problems (I checked my Wordpress and Redmine setup).

Today I had to restart apache, which broke my Redmine:

Incorrect MySQL client library version! This gem was compiled for 5.5.37-MariaDB but the client library is 10.0.12-MariaDB. (RuntimeError)
  /usr/lib/ruby/gems/2.1.0/gems/activesupport-3.2.19/lib/active_support/dependencies.rb:251:in `require'
  /usr/lib/ruby/gems/2.1.0/gems/activesupport-3.2.19/lib/active_support/dependencies.rb:251:in `block in require'
  /usr/lib/ruby/gems/2.1.0/gems/activesupport-3.2.19/lib/active_support/dependencies.rb:236:in `load_dependency'
  /usr/lib/ruby/gems/2.1.0/gems/activesupport-3.2.19/lib/active_support/dependencies.rb:251:in `require'
  /usr/lib/ruby/gems/2.1.0/gems/mysql2-0.3.16/lib/mysql2.rb:8:in `<top (required)>'
  /usr/lib/ruby/gems/2.1.0/gems/bundler-1.6.3/lib/bundler/runtime.rb:76:in `require'
  /usr/lib/ruby/gems/2.1.0/gems/bundler-1.6.3/lib/bundler/runtime.rb:76:in `block (2 levels) in require'
  /usr/lib/ruby/gems/2.1.0/gems/bundler-1.6.3/lib/bundler/runtime.rb:72:in `each'
  /usr/lib/ruby/gems/2.1.0/gems/bundler-1.6.3/lib/bundler/runtime.rb:72:in `block in require'
  /usr/lib/ruby/gems/2.1.0/gems/bundler-1.6.3/lib/bundler/runtime.rb:61:in `each'
  /usr/lib/ruby/gems/2.1.0/gems/bundler-1.6.3/lib/bundler/runtime.rb:61:in `require'
  /usr/lib/ruby/gems/2.1.0/gems/bundler-1.6.3/lib/bundler.rb:132:in `require'
  /srv/http/redmine/config/application.rb:7:in `<top (required)>'
  /srv/http/redmine/config/environment.rb:2:in `require'
  /srv/http/redmine/config/environment.rb:2:in `<top (required)>'
  config.ru:3:in `require'
  config.ru:3:in `block in <main>'
  /usr/lib/ruby/gems/2.1.0/gems/rack-1.4.5/lib/rack/builder.rb:51:in `instance_eval'
  /usr/lib/ruby/gems/2.1.0/gems/rack-1.4.5/lib/rack/builder.rb:51:in `initialize'
  config.ru:1:in `new'
  config.ru:1:in `<main>'
  /usr/lib/ruby/gems/2.1.0/gems/passenger-4.0.45/helper-scripts/rack-preloader.rb:112:in `eval'
  /usr/lib/ruby/gems/2.1.0/gems/passenger-4.0.45/helper-scripts/rack-preloader.rb:112:in `preload_app'
  /usr/lib/ruby/gems/2.1.0/gems/passenger-4.0.45/helper-scripts/rack-preloader.rb:158:in `<module:App>'
  /usr/lib/ruby/gems/2.1.0/gems/passenger-4.0.45/helper-scripts/rack-preloader.rb:29:in `<module:PhusionPassenger>'
  /usr/lib/ruby/gems/2.1.0/gems/passenger-4.0.45/helper-scripts/rack-preloader.rb:28:in `<main>'

Any hints how to proceed? It worked fine, until restart, so I guess the problem is just with version check.

Replies (3)

RE: MariaDB 10.0.12 incompatible with mysql2 0.3.16 - Added by Jan Niggemann (redmine.org team member) over 10 years ago

https://github.com/brianmario/mysql2/issues/506
"You need to compile mysql2 against MariaDB 10.0.12 if you want to use it with that version."

RE: MariaDB 10.0.12 incompatible with mysql2 0.3.16 - Added by Lukasz Kszonowski over 10 years ago

Thanks for the hint. I tried to follow mentioned steps, but after executing bundle exec rake spec I get error as follow:

mkdir -p tmp/x86_64-linux/mysql2/2.1.2
cd tmp/x86_64-linux/mysql2/2.1.2
/usr/bin/ruby -I. ../../../../ext/mysql2/extconf.rb
checking for ruby/thread.h... yes
checking for rb_thread_call_without_gvl() in ruby/thread.h... yes
checking for rb_thread_blocking_region()... yes
checking for rb_wait_for_single_fd()... yes
checking for rb_hash_dup()... yes
checking for rb_intern3()... yes
-----
Using mysql_config at /usr/bin/mysql_config
-----
checking for mysql.h... yes
checking for errmsg.h... yes
checking for mysqld_error.h... yes
-----
Setting rpath to /usr/lib
-----
creating Makefile
cd -
cd tmp/x86_64-linux/mysql2/2.1.2
make
compiling ../../../../ext/mysql2/infile.c
compiling ../../../../ext/mysql2/client.c
compiling ../../../../ext/mysql2/result.c
compiling ../../../../ext/mysql2/mysql2_ext.c
linking shared-object mysql2/mysql2.so
cd -
install -c tmp/x86_64-linux/mysql2/2.1.2/mysql2.so lib/mysql2/mysql2.so
/usr/bin/ruby -S rspec ./spec/em/em_spec.rb ./spec/mysql2/client_spec.rb ./spec/mysql2/error_spec.rb ./spec/mysql2/result_spec.rb

Mysql2::EM::Client
  should support async queries (FAILED - 1)
  should support queries in callbacks (FAILED - 2)
  should not swallow exceptions raised in callbacks (FAILED - 3)
  when an exception is raised by the client
    should swallow exceptions raised in by the client (FAILED - 4)
    should fail the deferrable (FAILED - 5)

Mysql2::Client
  should raise an exception upon connection failure (FAILED - 6)
  should raise an exception on create for invalid encodings (FAILED - 7)
  should not raise an exception on create for a valid encoding (FAILED - 8)
[...]

I was also unable to complete git fetch origin +refs/pull/505/merge:

fatal: Couldn't find remote ref refs/pull/505/merge

This is probably related. Are there any precompiled modules available? Or maybe I can force current one to work, since it was OK after mysql.service restart and worked fine with mariadb-10 just until apache restart.

RE: MariaDB 10.0.12 incompatible with mysql2 0.3.16 - Added by Lukasz Kszonowski over 10 years ago

Well... There is 1800 lines of traceback, most of them ends with FAILED #. But it seems to work. Very interesting.

jan jan Niggemann: thanks for your help!

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