diff --git a/frappe/__init__.py b/frappe/__init__.py
index a3fd020499..aa3ed940a9 100644
--- a/frappe/__init__.py
+++ b/frappe/__init__.py
@@ -1047,7 +1047,7 @@ def attach_print(doctype, name, file_name=None, print_format=None, style=None, h
 	return out
 
 logging_setup_complete = False
-def get_logger(module=None):
+def get_logger(module=None, loglevel="DEBUG"):
 	from frappe.setup_logging import setup_logging
 	global logging_setup_complete
 
@@ -1055,7 +1055,10 @@ def get_logger(module=None):
 		setup_logging()
 		logging_setup_complete = True
 
-	return logging.getLogger(module or "frappe")
+	logger = logging.getLogger(module or "frappe")
+	logger.setLevel(logging.DEBUG)
+
+	return logger
 
 def publish_realtime(*args, **kwargs):
 	"""Publish real-time updates
diff --git a/frappe/app.py b/frappe/app.py
index 6f49eaea48..34052bb531 100644
--- a/frappe/app.py
+++ b/frappe/app.py
@@ -20,10 +20,10 @@ import frappe.api
 import frappe.async
 import frappe.utils.response
 import frappe.website.render
-from frappe.utils import get_site_name, get_site_path, call_hook_method
+from frappe.utils import get_site_name, get_site_path
 from frappe.middlewares import StaticDataMiddleware
-
 from frappe.utils.error import make_error_snapshot
+from frappe.core.doctype.communication.comment import update_comments_in_parent_after_request
 
 local_manager = LocalManager([frappe.local])
 
@@ -132,7 +132,7 @@ def handle_exception(e):
 			# code 409 represents conflict
 			http_status_code = 508
 
-	if frappe.local.is_ajax or 'application/json' in request.headers.get('Accept', ''):
+	if frappe.local.is_ajax or 'application/json' in frappe.local.request.headers.get('Accept', ''):
 		response = frappe.utils.response.report_error(http_status_code)
 	else:
 		traceback = "<pre>"+frappe.get_traceback()+"</pre>"
@@ -168,7 +168,7 @@ def after_request(rollback):
 			frappe.db.commit()
 			rollback = False
 
-	call_hook_method("after_request")
+	update_comments_in_parent_after_request()
 
 	# publish realtime
 	for args in frappe.local.realtime_log:
diff --git a/frappe/hooks.py b/frappe/hooks.py
index ebc6d8aec2..2cb0059840 100644
--- a/frappe/hooks.py
+++ b/frappe/hooks.py
@@ -64,8 +64,6 @@ on_session_creation = [
 	"frappe.core.doctype.user.user.notifify_admin_access_to_system_manager"
 ]
 
-after_request = "frappe.core.doctype.communication.comment.update_comments_in_parent_after_request"
-
 # permissions
 
 permission_query_conditions = {
diff --git a/frappe/setup_logging.py b/frappe/setup_logging.py
index 3de3954195..a2e56f8727 100644
--- a/frappe/setup_logging.py
+++ b/frappe/setup_logging.py
@@ -25,6 +25,7 @@ def setup_logging():
 		logging_conf = {
 			"version": 1,
 			"disable_existing_loggers": True,
+			"level": logging.DEBUG,
 			"filters": {
 				"context_filter": {
 					"()": "frappe.setup_logging.ContextFilter"