It contains information like which HTTP method is used, as well as. In the case of an HTTP error before the client trigger is invoked, the response is not handled as a client function. This web service does work if i call it from within the domain the web service is being hosted at. A preflight request is a small request that is sent by the browser before the actual request. Not sure honestly even where to begin to debug it. Response for preflight has invalid HTTP status code 500 Disabling the Content-Type header will result in the request coming through successfully. Using Postman this api works fine but using angular 2 i am ge. Public Sub theQ(ByVal qString As List(Of String))ĭim results As Object = fetchSQLQ("query", qString(0))ĭim ser As New .JavaScriptSerializer()ĭim strResponse As String = ser.Serialize(results)Ĭ = "application/json"Ĭ("content-length", ()) I am developing a application in which i have a post request to get data from server.Even i have checked my CORS plugin and parameters. XMLHttpRequest cannot load Response for preflight has invalid HTTP status code 500
It's easy to add CORS support to our Spring-powered service, but if configured incorrectly, this pre-flight request will always fail with a 401. Response for preflight has invalid HTTP status code 500 Is there any hint about this problem Top. I am trying to figure out why I am getting the following error when trying to POST to my web service: So, if the pre-flight request doesn't meet the conditions determined from these response headers, the actual follow-up request will throw errors related to the cross-origin request.
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