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Thread: wowza hangs on startup

  1. #1

    Default wowza hangs on startup


    yesterday one of my servers using wowza received 1Gbps incoming data during 2 hours for an unknow reason

    today wowza won't start. there is nothing in the error logs. in access logs, it hangs at "Server threads[h/t]: 10/10", again no special message

    i've upgraded from 3.0.5 to 3.5.2 as i thought it would fix the problem, but i'm facing the same issue after the update

    i have java 1.6 on ubuntu 12. if somebody have any idea how to fix this matter

    thank you



  2. #2



    If it is hanging at this point it would suggest that the server does not have access to the licensing servers to check your license upon start up.

    You need to check your Internet connection. If the problem persists please email with your conf/ and logs/ zipped up.


  3. #3


    hi and thank you for your reply

    my connection is ok as i'm connected on ssh over internet

    i finally got an error message using instead of /etct/init.d/Wowza:

    Error starting: java.lang.reflect.InvocationTargetException
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(
    at java.lang.reflect.Method.invoke(
    at com.wowza.wms.bootstrap.Bootstrap.startServer(Unknown Source)
    at com.wowza.wms.bootstrap.Bootstrap.main(Unknown Source)
    Caused by: java.lang.NoClassDefFoundError: sun/security/util/KeyUtil
    at com.sun.crypto.provider.DHKeyAgreement.engineDoPhase(
    at javax.crypto.KeyAgreement.doPhase(
    at com.wowza.wms.server.SubSes.calculateEncryptionKey(Unknown Source)
    at com.wowza.wms.server.SubCL.b(Unknown Source)
    at com.wowza.wms.server.SubCL.a(Unknown Source)
    at com.wowza.wms.server.SubCL.h(Unknown Source)
    at com.wowza.wms.server.SubCL.cs(Unknown Source)
    at com.wowza.wms.server.Server.startServer(Unknown Source)
    at com.wowza.wms.server.Server.start(Unknown Source)
    ... 6 more
    Caused by: java.lang.ClassNotFoundException:
    at Method)
    at java.lang.ClassLoader.loadClass(
    at java.lang.ClassLoader.loadClass(
    ... 15 more
    looks like a java issue, despite java seems to work correctly

    any clue ?

    thank you

  4. #4
    Join Date
    Sep 2011


    I think this error means you are not running Wowza as root or you don't have the permissions:
    Error starting: java.lang.reflect.InvocationTargetException


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