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Thread: Missing function: xsbwtest & server crash

  1. #1

    Default Missing function: xsbwtest & server crash

    Dear Wowza Community,

    i have several warning in my log file:

    1.) (many of this one) : Missing function: xsbwtest
    2.) Zero sized function (client:1507320752:FMLE/3.0 (compatible; FMSc/1.0)): type:20 size:0:

    do you have any idea why i got my log file spammed with this warnings?

    also my wowza server is crashing every 7-10 days ( the server need to be HW resetted its not reachable anymore )
    i have every day about 150 streams incoming and about 800-1000 viewer in total ( peak)

    thank you a lot for your time and help.

  2. #2


    Hello there.

    The server may be crashing because it is running out of memory due to excessive error logging compounded by heavy traffic.

    The error seems to be related to a custom module. Did you recently upgrade Wowza versions? Is this a module you were using in a previous version of Wowza?

    You can start Wowza in stand-alone mode and view the output in the console. This will give you a better idea of what is going on.

    Please let us know what other information the console is reporting.

    Thank you.


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