Executing .Jar not working

Discussion in 'Mac Apps and Mac App Store' started by thriii, Nov 20, 2007.

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  1. thriii, Nov 20, 2007

    thriii macrumors 6502

    Joined:
    Feb 14, 2007
    #1
    Can someone explain to me why my Jar files wont work? When I double click them nothing at all happens the icon just gets big and goes away. I know there is a way to execute the Jar file using terminal but I don't understand that either since I don't know how to use terminal :confused: Is there something that I have to download/install to get the double clicking to work? If not how do I execute through terminal?
     
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  2. thriii, Nov 20, 2007

    thriii thread starter macrumors 6502

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    Feb 14, 2007
    #2
    can any1 plz help with this
     
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  3. wrldwzrd89, Nov 21, 2007

    wrldwzrd89 macrumors G5

    wrldwzrd89

    Joined:
    Jun 6, 2003
    Location:
    Solon, OH
    #3
    The first thing you should always do if something like this happens with a JAR file is to check the Console for relevant error messages. That will give you some clues as to why the file won't launch.

    If you want to launch the file from the Terminal, the command you need is this:
    Code:
    java -jar (drag the JAR file to the Terminal window)
    Where it says (drag the JAR file to the Terminal window), do exactly that. Make sure there's a space between java and -jar, as well as between -jar and the name of the file you dragged in.
     
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  4. imperialboy3, Jul 6, 2010

    imperialboy3 macrumors newbie

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    Jul 6, 2010
    #4
    I don't get it

    it said invalid flag -jar... please help!
     
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  5. MisterMe, Jul 6, 2010

    MisterMe macrumors G4

    MisterMe

    Joined:
    Jul 17, 2002
    Location:
    USA
    #5
    You need a valid .jar file.
     
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