【发布时间】：2013-03-22 15:49:40
【问题描述】：
我正在尝试在 linux 服务器上运行脚本（ruby 脚本）。我收到以下错误： 我不确定问题是什么，但它看起来像共享库问题。 Linux 高手，请您指点一下可能是什么问题？
libpq.so.5: cannot open shared object file: No such file or directory - /gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/pg-0.14.1/lib/pg_ext.so
<internal:lib/rubygems/custom_require>:29:in `require'
<internal:lib/rubygems/custom_require>:29:in `require'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/activesupport-3.0.5/lib/active_support/dependencies.rb:239:in `block in require'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/activesupport-3.0.5/lib/active_support/dependencies.rb:225:in `block in load_dependency'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/activesupport-3.0.5/lib/active_support/dependencies.rb:596:in `new_constants_in'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/activesupport-3.0.5/lib/active_support/dependencies.rb:225:in `load_dependency'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/activesupport-3.0.5/lib/active_support/dependencies.rb:239:in `require'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/pg-0.14.1/lib/pg.rb:4:in `<top (required)>'
<internal:lib/rubygems/custom_require>:33:in `require'
<internal:lib/rubygems/custom_require>:33:in `rescue in require'
<internal:lib/rubygems/custom_require>:29:in `require'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/activesupport-3.0.5/lib/active_support/dependencies.rb:239:in `block in require'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/activesupport-3.0.5/lib/active_support/dependencies.rb:225:in `block in load_dependency'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/activesupport-3.0.5/lib/active_support/dependencies.rb:596:in `new_constants_in'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/activesupport-3.0.5/lib/active_support/dependencies.rb:225:in `load_dependency'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/activesupport-3.0.5/lib/active_support/dependencies.rb:239:in `require'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/activerecord-3.0.5/lib/active_record/connection_adapters/postgresql_adapter.rb:9:in `postgresql_connection'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/activerecord-3.0.5/lib/active_record/connection_adapters/abstract/connection_pool.rb:229:in `new_connection'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/activerecord-3.0.5/lib/active_record/connection_adapters/abstract/connection_pool.rb:237:in `checkout_new_connection'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/activerecord-3.0.5/lib/active_record/connection_adapters/abstract/connection_pool.rb:191:in `block (2 levels) in checkout'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/activerecord-3.0.5/lib/active_record/connection_adapters/abstract/connection_pool.rb:187:in `loop'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/activerecord-3.0.5/lib/active_record/connection_adapters/abstract/connection_pool.rb:187:in `block in checkout'
/gds/apps/ruby-1.9.2-p180/lib/ruby/1.9.1/monitor.rb:201:in `mon_synchronize'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/activerecord-3.0.5/lib/active_record/connection_adapters/abstract/connection_pool.rb:186:in `checkout'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/activerecord-3.0.5/lib/active_record/connection_adapters/abstract/connection_pool.rb:94:in `connection'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/activerecord-3.0.5/lib/active_record/connection_adapters/abstract/connection_pool.rb:317:in `retrieve_connection'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/activerecord-3.0.5/lib/active_record/connection_adapters/abstract/connection_specification.rb:97:in `retrieve_connection'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/activerecord-3.0.5/lib/active_record/connection_adapters/abstract/connection_specification.rb:89:in `connection'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/arel-2.0.2/lib/arel/table.rb:127:in `table_cache'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/arel-2.0.2/lib/arel/table.rb:122:in `tables'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/arel-2.0.2/lib/arel/table.rb:118:in `table_exists?'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/arel-2.0.2/lib/arel/table.rb:97:in `[]'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/activerecord-3.0.5/lib/active_record/relation/predicate_builder.rb:23:in `block in build_from_hash'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/activerecord-3.0.5/lib/active_record/relation/predicate_builder.rb:9:in `each'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/activerecord-3.0.5/lib/active_record/relation/predicate_builder.rb:9:in `map'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/activerecord-3.0.5/lib/active_record/relation/predicate_builder.rb:9:in `build_from_hash'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/activerecord-3.0.5/lib/active_record/relation/query_methods.rb:227:in `build_where'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/activerecord-3.0.5/lib/active_record/relation/query_methods.rb:77:in `where'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/activerecord-3.0.5/lib/active_record/relation.rb:221:in `destroy_all'
/gds/apps/ruby-1.9.2-p180/lib/ruby/gems/1.9.1/gems/activerecord-3.0.5/lib/active_record/base.rb:439:in `destroy_all'
./edx_vert_to_pg.rb:43:in `<main>'
【问题讨论】：
-
我不知道解决此类问题的步骤是什么。首先是什么问题？你可以解释吗？谢谢
-
抱歉，对 .so 或 C 或类似的东西不太熟悉。但是我在目录
/usr/pgsql-9.1/lib中找到了libpq.so.5，当我在上面做了ls -l时，我看到有一个链接..libpq.so.5 -> libpq.so.5.4...这是一个危险信号吗？ -
权限没问题。我能够阅读它。这是 ls -l 输出：
lrwxrwxrwx 1 root root 12 Sep 12 2012 libpq.so.5 -> libpq.so.5.4 -
我也有同样的问题。你解决了吗？
标签： ruby linux unix shared-libraries redhat