1 files changed, 2 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb
index 1d9579f1a8..dc5b305843 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb
@@ -855,7 +855,7 @@ module ActiveRecord
           connection_id: object_id
         }
         if spec
-          payload[:class_name] = spec.name
+          payload[:spec_name] = spec.name
           payload[:config] = spec.config
         end
 
@@ -896,7 +896,7 @@ module ActiveRecord
       # for (not necessarily the current class).
       def retrieve_connection(spec_name) #:nodoc:
         pool = retrieve_connection_pool(spec_name)
-        raise ConnectionNotEstablished, "No connection pool with id '#{spec_name}' found." unless pool
+        raise ConnectionNotEstablished, "No connection pool with '#{spec_name}' found." unless pool
         conn = pool.connection
         raise ConnectionNotEstablished, "No connection for '#{spec_name}' in connection pool" unless conn
         conn