Hi,   Im tying to register my edge node through ambari-agent 2.7.4.0 but that fails cause:   WARNING - Could not connect to wss://*******:8441/agent/stomp/v1. [Errno 111] Connection refused   I tested wscat command and seems good:   > [root@****** log]# wscat -nc wss://*********:8441/agent/stomp/v1 Connected (press CTRL+C to quit)   Please find log below:   Sep 29 16:44:11 ***** journal: ambari_agent - NetUtil.py - [28672] - ambari_agent.NetUtil - INFO - Connecting to https://*********:8440/connection_info Sep 29 16:44:11 indkuds07 journal: ambari_agent - security.py - [28672] - ambari_agent.security - INFO - Connecting to wss://********:8441/agent/stomp/v1 Sep 29 16:44:11 ***** journal: ambari_agent - security.py - [28672] - ambari_agent.security - INFO - two ssl disbaled, establishing connection Sep 29 16:44:11 ****** journal: ambari_agent - security.py - [28672] - ambari_agent.security - INFO - variable conn assigned Sep 29 16:44:11 ******* journal: ambari_agent - security.py - [28672] - ambari_agent.security - INFO - starting connection Sep 29 16:44:11 ****** journal: ambari_agent - security.py - [28672] - ambari_agent.security - INFO - (<class 'socket.error'>, error(111, 'Connection refused'), <traceback object at 0x7f0a208597a0>) Sep 29 16:44:11 ****** journal: ambari_agent - security.py - [28672] - ambari_agent.security - INFO - disconnection in progress Sep 29 16:44:11 ****** journal: ambari_agent - security.py - [28672] - ambari_agent.security - INFO - disconnection complete Sep 29 16:44:11 ****** journal: ambari_agent - security.py - [28672] - ambari_agent.security - WARNING - Could not connect to wss://*******:8441/agent/stomp/v1. [Errno 111] Connection refused Sep 29 16:44:11 ****** journal: ambari_agent - HeartbeatThread.py - [28672] - ambari_agent.HeartbeatThread - INFO - Connection error "[Errno 111] Connection refused". Re-running the registration   thanks a lot for help,   best ... View more