django channels Connection Errors only when tried with User_login

Running channels with daphne.

django version: 2.0.4    asgiref==2.2.0    asgi-redis==1.4.3    channels==2.1.5    channels-redis==2.3.1

I'm trying to connect websoket. When I tried to connect with Anonymous user(without user login), it works well. But, when there is user, it doesn't work well.

The one point that I get by using pdb.set_trace() is that there is self.scope['cookies']['sessionid'] when I tried with user login. But there is no result in self.scope['cookies']['sessionid'] when there is no user(Anonymous user)

I thought that it might be related to AuthMiddlewareStack and I looked into the source code. But, I cannot find the source of the problem.

Can you help me? Below are my codes.

1. settings.py

     ASGI_APPLICATION = 'businessproject.routing.application'
       
   CHANNEL_LAYERS = {      'default': {          'BACKEND': 'channels_redis.core.RedisChannelLayer',          'CONFIG': {              "hosts": [('127.0.0.1', 6379)],          },      },  }

2. models.py

  class MyUser(AbstractUser):      galaxy_num=models.IntegerField(default=1)      onoff=models.IntegerField(default=1, null=True)
    
def __str__(self):      return self.username  
  

3. consumers.py

  from channels.generic.websocket import WebsocketConsumer, AsyncWebsocketConsumer  import json, pdb  from asgiref.sync import async_to_sync
    
class TestConsumer(AsyncWebsocketConsumer):
    
async def connect(self):      # Join room group      self.group_name="likes"        await self.channel_layer.group_add(          self.group_name,          self.channel_name      )        await self.accept()    async def disconnect(self, close_code):        await self.channel_layer.group_discard(          self.group_name,          self.channel_name      )    async  def receive(self, text_data):      text_data_json = json.loads(text_data)      message = text_data_json['message']        await self.channel_layer.group_send(          self.group_name,          {              'type': 'like_message',              'message': message          }      )    # Receive message from room group  async def like_message(self, event):      message = "%s님이 게시물을 좋아합니다."%event['message']        # Send message to WebSocket      await self.send(text_data=json.dumps({          'message': message      }))  
  

4. routing.py

    
from channels.auth import AuthMiddlewareStack  from channels.routing import ProtocolTypeRouter, URLRouter  from cebula import routing      application = ProtocolTypeRouter({      # (http->django views is added by default)      'websocket': AuthMiddlewareStack(          URLRouter(              routing.websocket_urlpatterns          )      ),  })  
  

this is the console result

WebSocket connection to ws://127.0.0.1:8000/ws/test/

failed: Error during WebSocket handshake: net::ERR_CONNECTION_RESET

If you need more information, please tell me.

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