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Ruby 1.9 -Ku incompatible with mem_cache_store
Reported by andreas | September 27th, 2010 @ 11:06 AM
When Ruby 1.9 is started in unicode mode (-Ku),
mem_cache_store.rb fails to parse:
/usr/local/ruby19/bin/ruby -Ku /usr/local/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/cache/mem_cache_store.rb /usr/local/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/cache/mem_cache_store.rb:32: invalid multibyte escape: /[\x00-\x20%\x7F-\xFF]/
Comments and changes to this ticket
- State changed from new to open
- Tag changed from 3.0, activesupport to 30, activesupport
This issue has been automatically marked as stale because it has not been commented on for at least three months.
The resources of the Rails core team are limited, and so we are asking for your help. If you can still reproduce this error on the 3-0-stable branch or on master, please reply with all of the information you have about it and add "[state:open]" to your comment. This will reopen the ticket for review. Likewise, if you feel that this is a very important feature for Rails to include, please reply with your explanation so we can consider it.
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- State changed from stale to open
This is still a known issue with ruby 1.9.2 and Rails/ActiveSupport 3.0.3
Ruby 1.9 in unicode mode will attempt to interpret the regular expression as unicode. To avoid this you need to pass the regular expression option "n" for "no encoding":
Now we have our raw 8-bit encoding (the only thing Ruby 1.8 speaks) as intended:
ruby-1.9.2-p136 :001 > ESCAPE_KEY_CHARS = /[\x00-\x20%\x7F-\xFF]/n.encoding
=> # <Encoding:ASCII-8BIT>
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