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How to resove Access-Control-Allow-Origin problem in my html page?

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Access to XMLHttpRequest at 'http://localhost:xxxx/knowage/restful-services/2.0/datasets' from origin 'http://localhost:xxxx' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource.
Environment windows
in API and SDK by (220 points)

1 Answer

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Have you tried whitelisting the url?
by (2.8k points)
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