2 files changed, 5 insertions, 4 deletions
diff --git a/actionpack/lib/action_dispatch/http/mime_types.rb b/actionpack/lib/action_dispatch/http/mime_types.rb
index 95881acac3..66cea88256 100644
--- a/actionpack/lib/action_dispatch/http/mime_types.rb
+++ b/actionpack/lib/action_dispatch/http/mime_types.rb
@@ -28,7 +28,7 @@ Mime::Type.register "application/x-www-form-urlencoded", :url_encoded_form
 
 # http://www.ietf.org/rfc/rfc4627.txt
 # http://www.json.org/JSONRequest.html
-Mime::Type.register "application/json", :json, %w( text/x-json application/jsonrequest application/vnd.api+json )
+Mime::Type.register "application/json", :json, %w( text/x-json application/jsonrequest )
 
 Mime::Type.register "application/pdf", :pdf, [], %w(pdf)
 Mime::Type.register "application/zip", :zip, [], %w(zip)
diff --git a/actionpack/lib/action_dispatch/middleware/debug_exceptions.rb b/actionpack/lib/action_dispatch/middleware/debug_exceptions.rb
index daaaed8df5..51a471fb23 100644
--- a/actionpack/lib/action_dispatch/middleware/debug_exceptions.rb
+++ b/actionpack/lib/action_dispatch/middleware/debug_exceptions.rb
@@ -149,6 +149,7 @@ module ActionDispatch
     def log_error(request, wrapper)
       logger = logger(request)
       return unless logger
+
       exception = wrapper.exception
 
       trace = wrapper.application_trace
@@ -163,11 +164,11 @@ module ActionDispatch
       end
     end
 
-    def log_array logger, array
-      array.map { |line| logger.fatal line}
+    def log_array(logger, array)
+      array.map { |line| logger.fatal line }
     end
 
-    def logger request
+    def logger(request)
       request.logger || ActionView::Base.logger || stderr_logger
     end