Hi,
Oracle enhanced adapter 1.6.8 has been released.
If you are upgrading your Rails version to 4.2.8 and Ruby version to 2.4.0,
please upgrade Oracle enhanced adapter version to 1.6.8 also.
* Changes and bug fixes since 1.6.7
* Better fix to support "Relation#count does not support finder options anymore in Rails [#787, #788]
* Run Oracle enhanced adapter unit tests using Travis CI [#789]
* Upgrade travis-oracle to Version 2.0.1 [#903]
* NoMethodError: undefined method `write' for nil:NilClass for serialized column [#798, #1004]
* Support connection strings in `DATABASE_URL` [#1036]
* Rebuild primary key index to default_tablespaces[:index] [#1037]
* Use docker oracle xe 11g for release16 branch [#1238]
* Fix deprecated warnings in Ruby 2.4.0+ [#1237]
Thanks,