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Thread: Webclient error

  1. #1
    Dreamcatcher_ is offline Member
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    Default Webclient error

    Hello. I basically made a new webclient for my runescape private server. I jarred and signed the client properly, and I'm pretty sure I uploaded the jar file to the correct directory. The only problem is that this error occurs every time I open my webclient:

    Java Code:
    Java Plug-in 10.60.2.19
    Using JRE version 1.7.0_60-b19 Java HotSpot(TM) Client VM
    User home directory = C:\Users\Q6600
    ----------------------------------------------------
    c:   clear console window
    f:   finalize objects on finalization queue
    g:   garbage collect
    h:   display this help message
    l:   dump classloader list
    m:   print memory usage
    o:   trigger logging
    q:   hide console
    r:   reload policy configuration
    s:   dump system and deployment properties
    t:   dump thread list
    v:   dump thread stack
    x:   clear classloader cache
    0-5: set trace level to <n>
    ----------------------------------------------------
    Exception in thread "AWT-EventQueue-2" java.lang.IllegalStateException: Applet's parent container not set up
    	at sun.plugin2.applet.Plugin2Manager.start(Unknown Source)
    	at sun.plugin2.main.client.PluginMain$StartAppletRunner.run(Unknown Source)
    	at java.awt.event.InvocationEvent.dispatch(Unknown Source)
    	at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
    	at java.awt.EventQueue.access$200(Unknown Source)
    	at java.awt.EventQueue$3.run(Unknown Source)
    	at java.awt.EventQueue$3.run(Unknown Source)
    	at java.security.AccessController.doPrivileged(Native Method)
    	at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
    	at java.awt.EventQueue.dispatchEvent(Unknown Source)
    	at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
    	at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
    	at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
    	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
    	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
    	at java.awt.EventDispatchThread.run(Unknown Source)
    CacheEntry[https://dl.dropboxusercontent.com/u/44619708/client.jar]: updateAvailable=true,lastModified=Thu Jan 01 01:00:00 CET 1970,length=18185062
    I have been trying to solve this error for about 3 days, but still I can't figure out whats wrong.

    Does anyone know why the error appears? Any help would be highly appreciated! :)
    Last edited by Dreamcatcher_; 06-18-2014 at 12:01 AM.

  2. #2
    gimbal2 is offline Just a guy
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    Default Re: Webclient error

    Is this all there is? I see some cases of this error on the net and it is -always- the result of a prior error happening, such as a missing jar.

    That's the shit of programming, the problem you are seeing is usually not the problem you need to be solving.
    "Syntactic sugar causes cancer of the semicolon." -- Alan Perlis

  3. #3
    Dreamcatcher_ is offline Member
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    Default Re: Webclient error

    Well, maybe this could be helpful?

    The applet code for my last html page was:

    Java Code:
    <applet name="Sillyland" code="client.class" archive="https://dl.dropboxusercontent.com/u/44619708/client.jar" width=763 height=503>
    <param name="java_arguments" value="-Xmx300m">
    </applet>
    (Webclient code: [HTML] Webclient code - Pastebin.com)



    I don't think it's my java permissions, as I accept to run the application, and my java security settings are at medium.


    this is whats popping up when I head over to the webclient:


    When I click 'details', this is what it says:

  4. #4
    gimbal2 is offline Just a guy
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    Default Re: Webclient error

    There you go, the unsupportedclassversionerror is your main problem. The version of Java being used to run your applet is too low, the classes are built for a newer one. So say you built it with Java 8 and its being run on Java 7.
    "Syntactic sugar causes cancer of the semicolon." -- Alan Perlis

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