【问题标题】:Rails tiny_tds symbol lookup errorRails tiny_tds 符号查找错误
【发布时间】:2018-04-29 16:20:11
【问题描述】:

在 Rails 应用程序或控制台中针对带有 tiny_tds 的 SQL Server 运行查询时出错。 注意:gem install tiny_tds 成功。

未定义符号:rb_thread_blocking_region

../bin/ruby: symbol lookup error: 
/var/www/.../tiny_tds-0.6.2/lib/tiny_tds/tiny_tds.so: 
undefined symbol: rb_thread_blocking_region

我的系统设置:

  • Centos 7.0
  • Ruby 2.2.0p0
  • Rails 4.1.4

freetds 和 freetds-devel 已安装:

    Version: freetds v0.91
         freetds.conf directory: /etc
 MS db-lib source compatibility: yes
    Sybase binary compatibility: yes
                  Thread safety: yes
                  iconv library: yes
                    TDS version: 4.2
                          iODBC: no
                       unixodbc: yes
          SSPI "trusted" logins: no
                       Kerberos: yes

config/database.yml 的我的 MSSQL 部分看起来像(我正在连接到远程主机):

devel_sql:
  adapter: sqlserver
  mode: dblib
  dataserver: DBSERVER\DBINSTANCE
  encoding: utf8
  database: SOMEDATABASENAME
  username: xxxx
  password: yyyy
  reconnect: true
  autocommit: true
  timeout: 5000

我的宝石文件:

source 'https://rubygems.org'
# Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
gem 'rails', '4.1.4'
# Use sqlite3 as the database for Active Record
gem 'sqlite3'
# Use SCSS for stylesheets
gem 'sass-rails', '~> 4.0.3'
# Use Uglifier as compressor for JavaScript assets
gem 'uglifier', '>= 1.3.0'
# Use CoffeeScript for .js.coffee assets and views
gem 'coffee-rails', '~> 4.0.0'
# See https://github.com/sstephenson/execjs#readme for more supported runtimes
gem 'therubyracer',  platforms: :ruby
# Use jquery as the JavaScript library
gem 'jquery-rails'
gem 'turbolinks'
# Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
gem 'jbuilder', '~> 2.0'
# bundle exec rake doc:rails generates the API under doc/api.
gem 'sdoc', '~> 0.4.0',          group: :doc
# Use ActiveModel has_secure_password
# gem 'bcrypt', '~> 3.1.7'
# Use unicorn as the app server
# gem 'unicorn'
# Use Capistrano for deployment
# gem 'capistrano-rails', group: :development
# Use debugger
# gem 'debugger', group: [:development, :test]
# Windows does not include zoneinfo files, so bundle the tzinfo-data gem
gem 'tzinfo-data', platforms: [:mingw, :mswin]
gem 'pg'
# MSSQL gems
gem 'tiny_tds'
gem 'activerecord-sqlserver-adapter'

查询在 Centos 6.3 上运行。可能有版本冲突吗?

【问题讨论】:

  • 看来要等到tiny_tds 0.6.3,我在这里找到了讨论:link。我回到了 ruby​​ 2.1.1
  • 如果您找到了解决方案,请将答案标记为正确。

标签: ruby-on-rails sql-server tiny-tds


【解决方案1】:

我正在使用 tiny_tds 0.6.2、ruby 2.2.2、capistrino 3.2.1 和 unicorn 4.9.0。

tiny_tds 0.6.2 与它们不兼容。所以我改变了

gem 'tiny_tds', '~> 0.6.3.rc1'

并升级了 tiny_tds,它工作正常。希望它也适用于您和其他人。

【讨论】:

    【解决方案2】:

    找到了解决办法。我验证了 tiny_tds 0.6.2 与 ruby​​ 2.1.1 一起运行。 ruby 2.2.0 似乎还不被支持。 找到讨论here

    【讨论】:

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