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Thread: Windows7, JRE1.7 32 bits Error starting: java.lang.reflect.InvocationTargetException

  1. #1
    Join Date
    Jun 2012

    Default Windows7, JRE1.7 32 bits Error starting: java.lang.reflect.InvocationTargetException

    I unistalled all JAVA and installed jre1.7 32 bits.
    I have wowza 4 and IDE 2

    I stop wowza services.

    I have done that on 3 different PC with SAME RESULT: this is HELL !

    When I create a new Wowza Media server project from IDE, and run Wowza, I got:

    Error starting: java.lang.reflect.InvocationTargetException
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at com.wowza.wms.bootstrap.Bootstrap.startServer(
    at com.wowza.wms.bootstrap.Bootstrap.main(
    Caused by: java.lang.NoClassDefFoundError: org/apache/commons/lang/SystemUtils
    at com.wowza.wms.bootstrap.BootstrapSystemTuningInfo.getSystemTuningInfo( :113)
    at com.wowza.wms.server.ServerTuningHandler.<init>(
    at com.wowza.wms.server.Server.<init>(
    at com.wowza.wms.server.Server.getInstance(
    at com.wowza.wms.server.Server.start(
    ... 6 more
    Caused by: java.lang.ClassNotFoundException: org.apache.commons.lang.SystemUtils
    at$ Source)
    at$ Source)
    at Method)
    at Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    ... 11 more

    Can someone help me please ?

    Do I need to run wowza from IDE ?
    It seems it creates a .JAR : how can I test it ?
    Last edited by yarekc; 08-28-2014 at 11:06 AM.

  2. #2


    Hi there.

    To fix this error. In Eclipse, right click on the project in the left menu and choose "properties"
    Next, click on the Run/Debug settings on the left, highlight the launch configuration and click Edit
    Under the "arguments" tab, add the following line to the output in "VM Arguments"

    On Windows:
    On Mac:

  3. #3
    Join Date
    Jun 2012


    GREAT : That works !!

    Why isn't that parameter included ? I got that error on 3 different PCs !

  4. #4


    Thanks for the update and glad I could help!


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