fady zohdy

undefined method `upcase' for nil:NilClass

1

we are using jruby-9.2.4 with rails 5.2.2 and rack-cache 1.8.0 and are currently facing this issue ``` cache error: undefined method `upcase' for nil:NilClass /Users/fady/.rvm/gems/jruby-9.2.4.0/gems/rack-cache-1.8.0/lib/rack/cache/storage.rb:36:in `create_store' /Users/fady/.rvm/gems/jruby-9.2.4.0/gems/rack-cache-1.8.0/lib/rack/cache/storage.rb:18:in `resolve_metastore_uri' /Users/fady/.rvm/gems/jruby-9.2.4.0/gems/rack-cache-1.8.0/lib/rack/cache/context.rb:34:in `metastore'...

NoMethodError: undefined method `model_class=' for #<ActiveRecord::ConnectionAdapters::Mysql2Adapter:0x759862a2>

5

i am trying to upgrade to rails 5.2 using fresh_connection 3.0.2 but am getting this stack trace when starting the app in any mode ``` NoMethodError: undefined method `model_class=' for...