FIX: Use exact patht to ensure we always redirect with the right format.

lib/active_record/connection_adapters/postgresql_fallback_adapter.rb

@@ -119,14 +119,7 @@ module ActiveRecord
 
     def verify_replica(connection)
       value = connection.raw_connection.exec("SELECT pg_is_in_recovery()").values[0][0]
-
-      if !value
-        begin
-          raise "Replica database server is not in recovery mode."
-        ensure
-          connection.close
-        end
-      end
+      raise "Replica database server is not in recovery mode." if !value
     end
   end
 end