Hi @noekmc    Can you please help us to share the CDSW version you are using ? Kindly share the " cdsw status " output .  ====== 1. Stop CDSW service. 2. Run below commands on master host. sudo iptables -P INPUT ACCEPT sudo iptables -P FORWARD ACCEPT sudo iptables -P OUTPUT ACCEPT sudo iptables -t nat -F sudo iptables -t mangle -F sudo iptables -F 3. Start Docker role on master node, once complete then start Master role on the master node and then Application role on Master node. =====   May i know the OS version you are using? disable the kernel memory account and reboot the base node/server once and test..    Thanks.. ... View more

Hi @RafaelDiaz, Has the reply helped resolve your issue? If so, please mark the appropriate reply as the solution, as it will make it easier for others to find the answer in the future.  If you are still experiencing the issue, can you provide the information @MohanG has requested? ... View more

@sandipkumar    This issue is probably with wildcard DNS and SSL . From the provided output I could see that you are not using SSL. So, it is worth to check wild card DNS on your local machine and cdsw nodes I have give below the URL for your reference. Please take a look.    https://community.cloudera.com/t5/Customer/ERROR-quot-websocket-connection-failed-to-the-Livelog-server/ta-p/324373   ... View more