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Why is UnityWebRequest so flaky?

Discussion in 'Scripting' started by juliang, May 6, 2020.

  1. juliang

    juliang

    Joined:
    Nov 25, 2008
    Posts:
    98
    It's frequently unable to connect to a database - connection timeout. At the same moment, the same request via a curl command has no problem. Usually if I quit and restart the editor it'll be ok. Not always, though, and after a half dozen sends then it starts timing out on the connect again. And again, while curl has no problem. Is there something that needs to be set somewhere? Is there a good alternative?
     
    juliang, May 6, 2020
    #1

  2. Vryken

    Vryken

    Joined:
    Jan 23, 2018
    Posts:
    2,106
    You could try the standard .NET HttpClient.
    UnityWebRequest is deprecated and planning to be replaced with something in the future, but as far as I know, there isn't any information about when a replacement might be coming.
     
    Vryken, May 6, 2020
    #2

  3. nilsdr

    nilsdr

    Joined:
    Oct 24, 2017
    Posts:
    374
    I don't think unitywebrequest is deprecated

    Are there specific problems you have with UWR? Have you logged a bug?
     
    nilsdr, May 6, 2020
    #3

  4. Aurimas-Cernius

    Aurimas-Cernius

    Unity Technologies

    Joined:
    Jul 31, 2013
    Posts:
    3,637
    Can you show the code you use to connect?
     
    Aurimas-Cernius, May 6, 2020
    #4

  5. Aurimas-Cernius

    Aurimas-Cernius

    Unity Technologies

    Joined:
    Jul 31, 2013
    Posts:
    3,637
    No it's not. The was an issue in our documentation page - the deprecation notice on top of it was about deprecation of UNet only, UWR is not pat of UNet.
     
    Aurimas-Cernius, May 6, 2020
    #5

  6. Vryken

    Vryken

    Joined:
    Jan 23, 2018
    Posts:
    2,106
    Good to know, thanks.
     
    Vryken, May 6, 2020
    #6

  7. juliang

    juliang

    Joined:
    Nov 25, 2008
    Posts:
    98
    Code (CSharp):
    1.   IEnumerator TestConnection(int ignore)
    2.     {
    3. [INDENT]request = UnityWebRequest.Get($"{neo4jManager.Instance.ServerAddress()}/user/neo4j");
    4. request.SetRequestHeader("AUTHORIZATION", ConstructAuthorization());
    5. request.timeout = 3;
    6. yield return request.SendWebRequest();
    7. if (request.error != null)
    8. [INDENT]DisplayError(request.responseCode, request.error);[/INDENT]
    9. else StartCoroutine(DisplayResults(request.responseCode, request.downloadHandler.text));[/INDENT]
    10. }
    Everything is on the same computer, so 3 seconds is much longer than needed for the connection. The curl command actually completes the cycle in less than 1.
     
    juliang, May 7, 2020
    #7