3324501 - Get "Internal Server Error" when logging in SAP HANA Cockpit 2.0 after installation.

After installing new SAP HANA Cockpit successfully.

When you try to open the cockpit web application through link was ended with "Internal Server Error" ,checking the cockpit web application log using the command 'xs logs --all cockpit-web-app' shows :

[RTR] OUT   <IP address>> - - to <hostname>:<port number> "GET /cockpit HTTP/1.1" 200 sent  
[APP/2-3] SYS   #2.0# #ERROR# #GET request to /login/callback?code= completed with status 500 Could not authenticate with UAA: Could not obtain access token: request to authentication service at https://<hostname>:<port number>/uaa-security/oauth/token failed, error: unexpected response from authentication service at https://<hostname>:<port number>/uaa-security/oauth/token failed: status code: NaN, response body: "undefined", #
[RTR] OUT   <IP address> - - to <hostname>:<port number> "GET /login/callback HTTP/1.1" 500 sent 

You try to follow the KBA 2535229 - Internal Server Error in HANA Cockpit 2.0 but not able to solve this issue. 

Disclaimer: Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental.

HANA Cockpit 2.0 

hana cockpit, internal server error, web error, HTTP_PROXY, HTTPS_PROXY, no_proxy, proxy, cockpit-web-app , KBA , HAN-CPT-CPT2-ADM , SAP HANA Cockpit 2 (Administration Core) , BC-XS-RT , XS Advanced Runtime / XS Controller , Problem