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white screen after start cco

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

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4 Answers

  • Posted on Jul 22, 2020 at 08:45 AM

    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

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  • Posted on Jun 03, 2020 at 07:50 AM

    Hello Daniela

    Have you already tried to clean the cache in Chrome?

    Best Regards

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  • Posted on Jun 03, 2020 at 11:09 AM

    Dear Daniela Strunz,

    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


    task-bar-icon.png (13.1 kB)
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  • Posted on Jul 24, 2020 at 08:35 AM

    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

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