4 files changed, 13 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/railtie.rb b/activerecord/lib/active_record/railtie.rb
index 0276d41494..73518ca144 100644
--- a/activerecord/lib/active_record/railtie.rb
+++ b/activerecord/lib/active_record/railtie.rb
@@ -166,5 +166,13 @@ end_warning
       path = app.paths["db"].first
       config.watchable_files.concat ["#{path}/schema.rb", "#{path}/structure.sql"]
     end
+
+    initializer "active_record.clear_active_connections" do
+      config.after_initialize do
+        ActiveSupport.on_load(:active_record) do
+          clear_active_connections!
+        end
+      end
+    end
   end
 end
diff --git a/activerecord/lib/active_record/relation/finder_methods.rb b/activerecord/lib/active_record/relation/finder_methods.rb
index 34a3615070..5d24f5f5ca 100644
--- a/activerecord/lib/active_record/relation/finder_methods.rb
+++ b/activerecord/lib/active_record/relation/finder_methods.rb
@@ -224,7 +224,7 @@ module ActiveRecord
       fifth || raise_record_not_found_exception!
     end
 
-    # Find the forty-second record. Also known as accessing "the answer to life the universe and everything".
+    # Find the forty-second record. Also known as accessing "the reddit".
     # If no order is defined it will order by primary key.
     #
     #   Person.forty_two # returns the forty-second object fetched by SELECT * FROM people
diff --git a/activerecord/test/cases/dup_test.rb b/activerecord/test/cases/dup_test.rb
index 3821e0c949..000ed27efb 100644
--- a/activerecord/test/cases/dup_test.rb
+++ b/activerecord/test/cases/dup_test.rb
@@ -143,6 +143,8 @@ module ActiveRecord
     end
 
     def test_dup_without_primary_key
+      skip if current_adapter?(:OracleAdapter)
+
       klass = Class.new(ActiveRecord::Base) do
         self.table_name = "parrots_pirates"
       end
diff --git a/activerecord/test/cases/primary_keys_test.rb b/activerecord/test/cases/primary_keys_test.rb
index 12386635f6..5ded619716 100644
--- a/activerecord/test/cases/primary_keys_test.rb
+++ b/activerecord/test/cases/primary_keys_test.rb
@@ -183,6 +183,8 @@ class PrimaryKeysTest < ActiveRecord::TestCase
   end
 
   def test_create_without_primary_key_no_extra_query
+    skip if current_adapter?(:OracleAdapter)
+
     klass = Class.new(ActiveRecord::Base) do
       self.table_name = "dashboards"
     end