在 Rails 应用程序中使用 rmagick 时出错
尝试运行 Rails 应用程序时出现以下错误：-
/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rmagick-2.12.2/lib/RMagick2.so： libMagickCore.so.4：无法打开共享 目标文件：没有这样的文件或目录 - /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rmagick-2.12.2/lib/RMagick2.so （加载错误） 来自 /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in
需要' 来自/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependency.rb:509:in需要' 来自 /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependency.rb:354:innew_constants_in' 来自/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependency.rb:509:in需要' 来自/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rmagick-2.12.2/lib/RMagick.rb:11 来自 /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:ingem_original_require' 来自 /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in需要' 来自/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependency.rb:509:in需要' 来自 /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependency.rb:354:innew_constants_in' 来自/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependency.rb:509:in需要' 来自/home/amol/Amol_Backup/AMOL_BACKUP_20091021/PROJECTS/Fitsmi/life180/config/environment.rb:12 来自 /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:ingem_original_require' 来自 /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in需要' 来自/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependency.rb:509:in需要' 来自 /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependency.rb:354:innew_constants_in' 来自/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependency.rb:509:in需要' 来自/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rails-2.1.0/lib/commands/servers/webrick.rb:59 来自 /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:ingem_original_require' 来自 /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in需要' 来自/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependency.rb:509:in需要' 来自 /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependency.rb:354:innew_constants_in' 来自/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependency.rb:509:in需要' 来自/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rails-2.1.0/lib/commands/server.rb:39 来自 /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:ingem_original_require' 来自 /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in ‘要求’ 来自脚本/服务器：3
文件 RMagick2.so 存在于给定路径 /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rmagick-2.12.2/lib 中。
以下是我的应用程序正在使用的版本：
-rails 2.3.5
ruby 1.8.7（2009-12-24 补丁级别 248）[x86_64-linux]，MBARI 0x6770，Ruby 企业版 2010.02
rmagick (2.12.2)
imagemagick 6.2.8.0-4.el5-5.3
操作系统：- Centos 5
提前致谢...
I am getting following error when trying to run rails application:-
/opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rmagick-2.12.2/lib/RMagick2.so:
libMagickCore.so.4: cannot open shared
object file: No such file or directory
- /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rmagick-2.12.2/lib/RMagick2.so
(LoadError)
from /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:inrequire'require'
from /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependencies.rb:509:in
from /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependencies.rb:354:innew_constants_in'require'
from /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependencies.rb:509:in
from /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rmagick-2.12.2/lib/RMagick.rb:11
from /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:ingem_original_require'require'
from /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in
from /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependencies.rb:509:inrequire'new_constants_in'
from /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependencies.rb:354:in
from /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependencies.rb:509:inrequire'gem_original_require'
from /home/amol/Amol_Backup/AMOL_BACKUP_20091021/PROJECTS/Fitsmi/life180/config/environment.rb:12
from /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in
from /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:inrequire'require'
from /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependencies.rb:509:in
from /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependencies.rb:354:innew_constants_in'require'
from /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependencies.rb:509:in
from /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rails-2.1.0/lib/commands/servers/webrick.rb:59
from /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:ingem_original_require'require'
from /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in
from /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependencies.rb:509:inrequire'new_constants_in'
from /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependencies.rb:354:in
from /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependencies.rb:509:inrequire'gem_original_require'
from /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rails-2.1.0/lib/commands/server.rb:39
from /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in
from /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in
`require'
from script/server:3
The file RMagick2.so is present in the given path /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/rmagick-2.12.2/lib.
Following are the versions my application is using:-
rails 2.3.5
ruby 1.8.7 (2009-12-24 patchlevel 248) [x86_64-linux], MBARI 0x6770, Ruby Enterprise Edition 2010.02
rmagick (2.12.2)
imagemagick 6.2.8.0-4.el5-5.3
Operating system:- Centos 5
Thanks in advance....
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我通过以下更改在 RHEL5 上解决了这个问题：
添加以下行：
/usr/lib
/usr/local/lib
run
ldconfig这解决了我的问题。 （到下一个依赖项..）
I solved this problem on RHEL5 with the following changes:
add the following lines:
/usr/lib
/usr/local/lib
run
ldconfigThis fixed the issue for me. (On to the next dependency ..)
这到底是什么 Linux 系统？似乎缺少
libMagickCore.so.4。如果我查看我的 Ubuntu，我会发现它属于包libmagickcoreX"，其中X` 代表版本。我在上一个 Ubuntu 中看到的最多的是版本 3，但我'已经见过版本 4 的 RPM，因此您可以在您的系统中安装该软件包版本。What Linux system is this one exactly? It seems it is missing
libMagickCore.so.4. If I look in my Ubuntu, I see it belongs to the packagelibmagickcoreX", where theX` stands for the version. The most I've seen int he last Ubuntu is version 3, but I've seen RPMs with version 4, so in your system you may be able to install that package version.