Hey all,
I believe I have upgraded my Rails version from 2.0.2 to 2.2.2 ;)
However, I am experiencing some problems with an app that was built on
2.0.2. Can anyone suggest a resource where I can learn more about how to
properly upgrade from 2.0.2 to 2.2.2
I have read some of the what has changed stuff but I get some weird
errors that I reckon relates to something else like for example a simple
line such as the following:
@about = Content.find_by_permalink('about')
throwing and error such as the following:
ArgumentError (NULL pointer given):
(eval):3:in `each_hash'
(eval):3:in `all_hashes'
C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/active_record/connection_adapters/mysql_adapter.rb:564:in
`select'
Thank you in advance,
Schalk
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