# Seeking help with basic installation

**URL:** <https://www.ruby-forum.com/t/seeking-help-with-basic-installation/164815>\
**Category:** Rails\
**Created:** [April 6, 2009, 9:42am UTC](https://www.ruby-forum.com/t/seeking-help-with-basic-installation/164815 "2009-04-06T09:42:45Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![sugi](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/f17d59/32.png) [@sugi](https://www.ruby-forum.com/u/sugi)\
**Post date:** [April 6, 2009, 9:42am UTC](https://www.ruby-forum.com/t/seeking-help-with-basic-installation/164815/1 "2009-04-06T09:42:45Z")

</div>

Hi all,

```
         Please help me.In my first attempt to creat a simple

```

controller and working with hello world program.I got some error  
though I have my action and view correctly…

In general…When I type [http://localhost:3000/](http://localhost:3000/) I can get the welcome  
page.But when I see the “About your application Envinorment”…I get  
some error as following…

MissingSourceFile in Rails/infoController#properties

no such file to load – sqlite3

RAILS\_ROOT: /home/sugi/hello\_world  
Application Trace | Framework Trace | Full Trace

/usr/lib/ruby/1.8/rubygems/custom\_require.rb:27:in  
`gem_original_require' /usr/lib/ruby/1.8/rubygems/custom_require.rb:27:in `require’  
vendor/rails/activesupport/lib/active\_support/dependencies.rb:509:in  
`require' vendor/rails/activesupport/lib/active_support/dependencies.rb:354:in `new\_constants\_in’  
vendor/rails/activesupport/lib/active\_support/dependencies.rb:509:in  
`require' vendor/rails/activesupport/lib/active_support/core_ext/kernel/ requires.rb:7:in `require\_library\_or\_gem’  
vendor/rails/activesupport/lib/active\_support/core\_ext/kernel/  
reporting.rb:11:in `silence_warnings' vendor/rails/activesupport/lib/active_support/core_ext/kernel/ requires.rb:5:in `require\_library\_or\_gem’  
vendor/rails/activerecord/lib/active\_record/connection\_adapters/  
sqlite3\_adapter.rb:10:in `sqlite3_connection' vendor/rails/activerecord/lib/active_record/connection_adapters/ abstract/connection_specification.rb:292:in `send’  
vendor/rails/activerecord/lib/active\_record/connection\_adapters/  
abstract/connection\_specification.rb:292:in `connection=' vendor/rails/activerecord/lib/active_record/connection_adapters/ abstract/connection_specification.rb:260:in `retrieve\_connection’  
vendor/rails/activerecord/lib/active\_record/connection\_adapters/  
abstract/connection\_specification.rb:78:in `connection' vendor/rails/activerecord/lib/active_record/query_cache.rb:8:in `cache’  
vendor/rails/actionpack/lib/action\_controller/caching/sql\_cache.rb:  
12:in `perform_action' vendor/rails/actionpack/lib/action_controller/base.rb:529:in `send’  
vendor/rails/actionpack/lib/action\_controller/base.rb:529:in  
`process_without_filters' vendor/rails/actionpack/lib/action_controller/filters.rb:569:in `process\_without\_session\_management\_support’  
vendor/rails/actionpack/lib/action\_controller/session\_management.rb:  
130:in `process' vendor/rails/actionpack/lib/action_controller/base.rb:389:in `process’  
vendor/rails/actionpack/lib/action\_controller/dispatcher.rb:149:in  
`handle_request' vendor/rails/actionpack/lib/action_controller/dispatcher.rb:107:in `dispatch’  
vendor/rails/actionpack/lib/action\_controller/dispatcher.rb:104:in  
`synchronize' vendor/rails/actionpack/lib/action_controller/dispatcher.rb:104:in `dispatch’  
vendor/rails/actionpack/lib/action\_controller/dispatcher.rb:120:in  
`dispatch_cgi' vendor/rails/actionpack/lib/action_controller/dispatcher.rb:35:in `dispatch’  
vendor/rails/railties/lib/webrick\_server.rb:112:in `handle_dispatch' vendor/rails/railties/lib/webrick_server.rb:78:in `service’  
/usr/lib/ruby/1.8/webrick/httpserver.rb:104:in `service' /usr/lib/ruby/1.8/webrick/httpserver.rb:65:in `run’  
/usr/lib/ruby/1.8/webrick/server.rb:173:in `start_thread' /usr/lib/ruby/1.8/webrick/server.rb:162:in `start’  
/usr/lib/ruby/1.8/webrick/server.rb:162:in `start_thread' /usr/lib/ruby/1.8/webrick/server.rb:95:in `start’  
/usr/lib/ruby/1.8/webrick/server.rb:92:in `each' /usr/lib/ruby/1.8/webrick/server.rb:92:in `start’  
/usr/lib/ruby/1.8/webrick/server.rb:23:in `start' /usr/lib/ruby/1.8/webrick/server.rb:82:in `start’  
vendor/rails/railties/lib/webrick\_server.rb:62:in `dispatch' vendor/rails/railties/lib/commands/servers/webrick.rb:66 /usr/lib/ruby/1.8/rubygems/custom_require.rb:27:in `gem\_original\_require’  
/usr/lib/ruby/1.8/rubygems/custom\_require.rb:27:in `require' vendor/rails/activesupport/lib/active_support/dependencies.rb:509:in `require’  
vendor/rails/activesupport/lib/active\_support/dependencies.rb:354:in  
`new_constants_in' vendor/rails/activesupport/lib/active_support/dependencies.rb:509:in `require’  
vendor/rails/railties/lib/commands/server.rb:39  
/usr/lib/ruby/1.8/rubygems/custom\_require.rb:27:in  
`gem_original_require' /usr/lib/ruby/1.8/rubygems/custom_require.rb:27:in `require’  
script/server:3

/usr/lib/ruby/1.8/rubygems/custom\_require.rb:27:in  
`gem_original_require' /usr/lib/ruby/1.8/rubygems/custom_require.rb:27:in `require’  
vendor/rails/activesupport/lib/active\_support/dependencies.rb:509:in  
`require' vendor/rails/activesupport/lib/active_support/dependencies.rb:354:in `new\_constants\_in’  
vendor/rails/activesupport/lib/active\_support/dependencies.rb:509:in  
`require' vendor/rails/activesupport/lib/active_support/core_ext/kernel/ requires.rb:7:in `require\_library\_or\_gem’  
vendor/rails/activesupport/lib/active\_support/core\_ext/kernel/  
reporting.rb:11:in `silence_warnings' vendor/rails/activesupport/lib/active_support/core_ext/kernel/ requires.rb:5:in `require\_library\_or\_gem’  
vendor/rails/activerecord/lib/active\_record/connection\_adapters/  
sqlite3\_adapter.rb:10:in `sqlite3_connection' vendor/rails/activerecord/lib/active_record/connection_adapters/ abstract/connection_specification.rb:292:in `send’  
vendor/rails/activerecord/lib/active\_record/connection\_adapters/  
abstract/connection\_specification.rb:292:in `connection=' vendor/rails/activerecord/lib/active_record/connection_adapters/ abstract/connection_specification.rb:260:in `retrieve\_connection’  
vendor/rails/activerecord/lib/active\_record/connection\_adapters/  
abstract/connection\_specification.rb:78:in `connection' vendor/rails/activerecord/lib/active_record/query_cache.rb:8:in `cache’  
vendor/rails/actionpack/lib/action\_controller/caching/sql\_cache.rb:  
12:in `perform_action' vendor/rails/actionpack/lib/action_controller/base.rb:529:in `send’  
vendor/rails/actionpack/lib/action\_controller/base.rb:529:in  
`process_without_filters' vendor/rails/actionpack/lib/action_controller/filters.rb:569:in `process\_without\_session\_management\_support’  
vendor/rails/actionpack/lib/action\_controller/session\_management.rb:  
130:in `process' vendor/rails/actionpack/lib/action_controller/base.rb:389:in `process’  
vendor/rails/actionpack/lib/action\_controller/dispatcher.rb:149:in  
`handle_request' vendor/rails/actionpack/lib/action_controller/dispatcher.rb:107:in `dispatch’  
vendor/rails/actionpack/lib/action\_controller/dispatcher.rb:104:in  
`synchronize' vendor/rails/actionpack/lib/action_controller/dispatcher.rb:104:in `dispatch’  
vendor/rails/actionpack/lib/action\_controller/dispatcher.rb:120:in  
`dispatch_cgi' vendor/rails/actionpack/lib/action_controller/dispatcher.rb:35:in `dispatch’  
vendor/rails/railties/lib/webrick\_server.rb:112:in `handle_dispatch' vendor/rails/railties/lib/webrick_server.rb:78:in `service’  
/usr/lib/ruby/1.8/webrick/httpserver.rb:104:in `service' /usr/lib/ruby/1.8/webrick/httpserver.rb:65:in `run’  
/usr/lib/ruby/1.8/webrick/server.rb:173:in `start_thread' /usr/lib/ruby/1.8/webrick/server.rb:162:in `start’  
/usr/lib/ruby/1.8/webrick/server.rb:162:in `start_thread' /usr/lib/ruby/1.8/webrick/server.rb:95:in `start’  
/usr/lib/ruby/1.8/webrick/server.rb:92:in `each' /usr/lib/ruby/1.8/webrick/server.rb:92:in `start’  
/usr/lib/ruby/1.8/webrick/server.rb:23:in `start' /usr/lib/ruby/1.8/webrick/server.rb:82:in `start’  
vendor/rails/railties/lib/webrick\_server.rb:62:in `dispatch' vendor/rails/railties/lib/commands/servers/webrick.rb:66 /usr/lib/ruby/1.8/rubygems/custom_require.rb:27:in `gem\_original\_require’  
/usr/lib/ruby/1.8/rubygems/custom\_require.rb:27:in `require' vendor/rails/activesupport/lib/active_support/dependencies.rb:509:in `require’  
vendor/rails/activesupport/lib/active\_support/dependencies.rb:354:in  
`new_constants_in' vendor/rails/activesupport/lib/active_support/dependencies.rb:509:in `require’  
vendor/rails/railties/lib/commands/server.rb:39  
/usr/lib/ruby/1.8/rubygems/custom\_require.rb:27:in  
`gem_original_require' /usr/lib/ruby/1.8/rubygems/custom_require.rb:27:in `require’  
script/server:3

This error occurred while loading the following files:  
sqlite3

Request

Parameters:

None

Show session dump

* * *

flash: !map:ActionController::Flash::FlashHash {}

Response

Headers:

{“cookie”=\>[],  
“Cache-Control”=\>“no-cache”}

When I run my helloworld,I get the same errror.I am just a  
newbie.Please help me…

Thanks,  
Regards,  
Sugi.

---

<div class="post-metadata">

**Author:** ![sugi](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/f17d59/32.png) [@sugi](https://www.ruby-forum.com/u/sugi)\
**Post date:** [April 6, 2009, 10:03am UTC](https://www.ruby-forum.com/t/seeking-help-with-basic-installation/164815/2 "2009-04-06T10:03:16Z")

</div>

On Apr 6, 6:08 am, Sugi [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote:

> MissingSourceFile in Rails/infoController#properties
> 
> no such file to load – sqlite3

This means you haven’t got the sqlite3-ruby gem installed.

Fred