# New installation: Regexp anchor characters are not allowed

**URL:** <https://www.ruby-forum.com/t/new-installation-regexp-anchor-characters-are-not-allowed/150916>\
**Category:** Ruby-Forum\
**Created:** [October 14, 2008, 10:21pm UTC](https://www.ruby-forum.com/t/new-installation-regexp-anchor-characters-are-not-allowed/150916 "2008-10-14T22:21:41Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![gomix](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/g/858c86/32.png) [@gomix](https://www.ruby-forum.com/u/gomix)\
**Post date:** [October 14, 2008, 10:21pm UTC](https://www.ruby-forum.com/t/new-installation-regexp-anchor-characters-are-not-allowed/150916/1 "2008-10-14T22:21:41Z")

</div>

Im trying a new installation with the following problem:

# RAILS\_ENV=production rake migrate --trace

(in /var/www/rforum-0.2)  
rake aborted!  
Regexp anchor characters are not allowed in routing requirements:  
/^[0-9]+$/  
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action\_controller/routing.rb:954:in  
`assign_route_options' /var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/routing.rb:949:in`each’  
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action\_controller/routing.rb:949:in  
`assign_route_options' /var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/routing.rb:1023:in`build’  
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action\_controller/routing.rb:1301:in  
`add_route' /var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/routing.rb:1065:in`connect’  
/var/www/rforum-0.2/config/routes.rb:3  
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action\_controller/routing.rb:1250:in  
`draw' /var/www/rforum-0.2/config/routes.rb:1 /var/lib/gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:489:in`load’  
/var/lib/gems/1.8/gems/activesupport-2.0.2/lib/active\_support/dependencies.rb:489:in  
`load' /var/lib/gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:342:in`new\_constants\_in’  
/var/lib/gems/1.8/gems/activesupport-2.0.2/lib/active\_support/dependencies.rb:489:in  
`load' /var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/routing.rb:1293:in`load\_routes!’  
/var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action\_controller/routing.rb:1273:in  
`load!' /var/lib/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/routing.rb:1288:in`reload’  
/var/lib/gems/1.8/gems/rails-2.0.2/lib/initializer.rb:293:in  
`initialize_routing' /var/lib/gems/1.8/gems/rails-2.0.2/lib/initializer.rb:111:in`process’  
/var/lib/gems/1.8/gems/rails-2.0.2/lib/initializer.rb:49:in `send' /var/lib/gems/1.8/gems/rails-2.0.2/lib/initializer.rb:49:in`run’  
/var/www/rforum-0.2/config/environment.rb:10  
/var/www/rforum-0.2/Rakefile.rb:9:in `require' /var/www/rforum-0.2/Rakefile.rb:9 /usr/lib/ruby/1.8/rake.rb:2149:in`load’  
/usr/lib/ruby/1.8/rake.rb:2149:in `raw_load_rakefile' /usr/lib/ruby/1.8/rake.rb:1897:in`load\_rakefile’  
/usr/lib/ruby/1.8/rake.rb:1948:in `standard_exception_handling' /usr/lib/ruby/1.8/rake.rb:1896:in`load\_rakefile’  
/usr/lib/ruby/1.8/rake.rb:1880:in `run' /usr/lib/ruby/1.8/rake.rb:1948:in`standard\_exception\_handling’  
/usr/lib/ruby/1.8/rake.rb:1878:in `run’  
/usr/bin/rake:28

Any clues on why o how to fix this?