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white screen after start cco

DanielaJacob
Participant

Hi Communtiy,

i have a question. What could happend when the CCO POS need long time (1 Minute) to show the LogOn screen after start?

Scenario:

1. I start the CCO POS, then automatically chrome starts with an URL like: http://localhost:9999/3a15929a-cb73-4339-9c9b-95cee0a08b0c/login.jsp

2. Nothing happend. --> I get only a white screen, in the Chrome Browser <--

3. After 1 Minute waiting, i try a refesh on the page. Then i get into the LogOn screen.

Additional Info: If i would use the Edge Browser after start the CCO POS and write in the url "http://localhost:9999", i get immeditatly the LogOn Screen.

Does anyone have an idea? Thank you 🙂

Best Regards,

Daniela

Dear dstrunz,

Yes please open an incident. Then we can arrange a remote session with you in order to troubleshoot on the affected terminal directly.

Kind regards,

Gunther

Accepted Solutions (0)

Answers (4)

Answers (4)

kellieanne_m
Advisor
Advisor

Hi Daniela,

Please follow KBA #2949691 - White screen when launching CCO which describes the steps to follow in order to resolve this issue.

Kind regards,

Kellieanne

sa0016187518
Participant
0 Kudos

Hello Daniela,

there are too many variables that could cause such behaviour: chrome configs (specially those related to hardware-based optimizations) and bad addons, java env configs, misconfigured/incorrect hardware drivers, and so on.

I would suggest to transplant the whole CCO Deployment to another machine with a different OS and hardware, that way you would be able to exclude eventual problems/corruptions of the CCO instance itself.

Further troubleshooting options:

> check the windows event viewer to see if there's something relevant

> let the CCO page load with the chrome dev tools active and search for warnings oder errors that might come up

Eventually, if there's no solution in sight, you could always turn to low-level debugging with tools like procmon or poolmon to see exact where the delay is originating within the windows internals.

Best Regards

0 Kudos

Dear dstrunz,

What might help is:

  1. Delete the quartz.properties file in C:\SapCustomerCheckout\cco\conf
  2. Delete the folder C:\SapCustomerCheckout\cco\webapp

Another thought:

What happens when you right click on the small Windows task bar icon for SAP Customer Checkout and hit "Start browser..."?

Kind regards,

Gunther

DanielaJacob
Participant
0 Kudos

Hello Gunther Sandtner,

we will try your suggestions and come back. Thank you very much.

Best Regards,

Daniela

DanielaJacob
Participant
0 Kudos

Dear Gunther,

first i tried the "Start Browser" option in the cco menue taskbar. But only white screen.

Then i tried the other two steps with deleting... But the same, only white screen after start with chrome.

Attached a screenshot after start.

Have you more ideas? Or should i better open an incedent in SAP Launchpad?

Thank you and Best Regards,

Daniela

Private_Member_381693
Active Participant
0 Kudos

Hello Daniela

Have you already tried to clean the cache in Chrome?

Best Regards

DanielaJacob
Participant
0 Kudos

Hello Klaus,

we cleaned the cache, but it does not help.

But thank you for your suggestion.

Best Regards