Local Java Applications Don't Execute

Discussion in 'OS X Mountain Lion (10.8)' started by AppleSJ511606, Apr 20, 2013.

  1. macrumors member

    Aug 17, 2005
    I have JDownloader and other .jar files. Upon double-clicking them, nothing happens. Not even an icon in the dock.

    my "java -version" command returns this:
    java version "1.7.0_09"
    Java(TM) SE Runtime Environment (build 1.7.0_09-b05)
    Java HotSpot(TM) 64-Bit Server VM (build 23.5-b02, mixed mode)

    If I go to the Java System Preferences app it says I have Java 1.7.0_21 installed. I've tried variations of the terminal command "Java Version 1.7.0_21" but I just get "Error: Could not find or load main class Version"

    Is there anything I can do to tell my Mac to use RE 1.7.21? I only have 1.7.21 listed in my Java Preferences as installed Java Runtime Environments.

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