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WWW.progress not working for large files

Discussion in 'Editor & General Support' started by FairGamesProductions, Nov 10, 2014.

  1. FairGamesProductions

    FairGamesProductions

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    I am having a serious issue with the WWW module. I am using WWW to download a large ZIP file (1.01GB) containing updates to my game. While the download is going, I am attempting to use WWW.progress to display the download progress to the player, but WWW.progress stays at 0.0 until the download is completed and then changes to 1.0. I have been searching for a solution for days, and I could not find anything on the forums, and I really need some help.

    The strange thing is that on small files (a few MB) WWW.progress works. But I can't find any reference to the importance of file size to WWW.
     
    FairGamesProductions, Nov 10, 2014
    #1

  2. Graham-Dunnett

    Graham-Dunnett

    Unity Technologies

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    Graham-Dunnett, Nov 10, 2014
    #2

  3. FairGamesProductions

    FairGamesProductions

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    Last edited: Nov 10, 2014
    FairGamesProductions, Nov 10, 2014
    #3

  4. Graham-Dunnett

    Graham-Dunnett

    Unity Technologies

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    (Yes, I know)
     
    Graham-Dunnett, Nov 10, 2014
    #4

  5. John Fallon

    John Fallon

    Unity Technologies

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    Hey, this is a known issue that is currently being looked into by the QA team.
     
    John Fallon, Nov 10, 2014
    #5

  6. FairGamesProductions

    FairGamesProductions

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    Any estimate for a solution?
     
    FairGamesProductions, Nov 10, 2014
    #6

  7. John Fallon

    John Fallon

    Unity Technologies

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    I'm afraid not but I will post here again if there is any further news.
     
    John Fallon, Nov 10, 2014
    #7

  8. FairGamesProductions

    FairGamesProductions

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    So... I shouldn't hold my breath. Good to know. Now I can move on.
     
    FairGamesProductions, Nov 10, 2014
    #8

  9. Dave-Hampson

    Dave-Hampson

    Unity Technologies

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    Hi FairGames,

    The bug John just mentioned was the one I just dealt with: it turned out to not be a bug in Unity but rather a config problem with the server: the server was (for some reason) not sending the 'Content-Length' header, so Unity had no way of seeing how much of the file was left.

    What (in the case I just looked it) was complicating the issue is that the web server seemed to be only not sending that header for iOS and Android, not PC (no idea why that would be the case, but we verified it several times!) and so it made it appear like it was a bug with the WWW class on iOS and Android.

    Dave
     
    Dave-Hampson, Nov 13, 2014
    #9

  10. FairGamesProductions

    FairGamesProductions

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    Dave, I don't think that's the issue here.
    I have 2 files. A test file and a large file. The test file is 1MB exactly and the large file is 1GB.
    WWW.progress works great with the small files, but it doesn't with the large ones. Both files are in the exact same place (google drive).
    Could this really be an issue with Google?
     
    FairGamesProductions, Nov 13, 2014
    #10

  11. FairGamesProductions

    FairGamesProductions

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    Plus, this is on the PC, NOT Android or iOS...
     
    FairGamesProductions, Nov 13, 2014
    #11

  12. Dave-Hampson

    Dave-Hampson

    Unity Technologies

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    There's two directions you could go with this:

    1. If you have a repro case, you could submit it to us using the Bug Reporter.

    2. You could use something like a packet sniffer to try and intercept the data sent from the web server and see if the Content-Length header is there

    It's always possible that it's a completely different issue.
     
    Dave-Hampson, Jan 21, 2015
    #12

  13. Rbhaniwal

    Rbhaniwal

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    Jan 23, 2015
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    I am working on web app , when i download an asset bundle(10 MB) the WWW.progress always stay 100%. Even my file was not downloaded it shows 100% right from the beginning.
    It works fine on editor but in web it WWW.progress is not working correctly.
    Any idea ?
     
    Rbhaniwal, Mar 16, 2016
    #13

  14. Rbhaniwal

    Rbhaniwal

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    when it loading data from cache than it display the progress correctly.
     
    Rbhaniwal, Mar 16, 2016
    #14

  15. DeveshPandey

    DeveshPandey

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    DeveshPandey, Jun 26, 2017
    #15