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Done the game does not start

Discussion in 'Revelation' started by supermagister18, Mar 31, 2018.

  1. supermagister18

    supermagister18 Active Member

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    Local Time:
    11:25 PM
    When I start the game it does not open and the console shows me:
    The game is running. Please wait.
    java.lang.NoClassDefFoundError: joptsimple/OptionSpec
    at java.lang.Class.getDeclaredMethods0(Native Method)
    at java.lang.Class.privateGetDeclaredMethods(Unknown Source)
    at java.lang.Class.privateGetMethodRecursive(Unknown Source)
    at java.lang.Class.getMethod0(Unknown Source)
    at java.lang.Class.getMethod(Unknown Source)
    at sun.launcher.LauncherHelper.validateMainClass(Unknown Source)
    at sun.launcher.LauncherHelper.checkAndLoadMain(Unknown Source)
    Caused by: java.lang.ClassNotFoundException: joptsimple.OptionSpec
    at java.net.URLClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    ... 7 more
    Error: A JNI error has occurred, please check your installation and try again
    Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=256M; support was removed in 8.0
    Java HotSpot(TM) 64-Bit Server VM warning: UseCMSCompactAtFullCollection is deprecated and will likely be removed in a future release.
    Exception in thread "main" Process ended with code: 1
     
  2. Peace7904

    Peace7904 Well-Known Member

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    Local Time:
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    Just a few questions for you.
    How much RAM do you have dedicated to MC? Have you tried a fresh install of the pack?Have you been able to load it before or is this your first time trying?
     
  3. supermagister18

    supermagister18 Active Member

    Messages:
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    Local Time:
    11:25 PM
    2 G of ram, its my first time trying
    I am hard force uptdate and:
    The game is running. Please wait.
    java.lang.NoClassDefFoundError: joptsimple/OptionSpec
    at java.lang.Class.getDeclaredMethods0(Native Method)
    at java.lang.Class.privateGetDeclaredMethods(Unknown Source)
    at java.lang.Class.privateGetMethodRecursive(Unknown Source)
    at java.lang.Class.getMethod0(Unknown Source)
    at java.lang.Class.getMethod(Unknown Source)
    at sun.launcher.LauncherHelper.validateMainClass(Unknown Source)
    at sun.launcher.LauncherHelper.checkAndLoadMain(Unknown Source)
    Caused by: java.lang.ClassNotFoundException: joptsimple.OptionSpec
    at java.net.URLClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    ... 7 more
    Error: A JNI error has occurred, please check your installation and try again
    Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=256M; support was removed in 8.0
    Java HotSpot(TM) 64-Bit Server VM warning: UseCMSCompactAtFullCollection is deprecated and will likely be removed in a future release.
    Exception in thread "main" Process ended with code: 1
     
  4. Peace7904

    Peace7904 Well-Known Member

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    Local Time:
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    For Revelations, you will want to have a min of 4gb of RAM if you can spare it on your pc.
     
  5. coolgi3000

    coolgi3000 Logician of the gods

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    I got mine to work on 3gb of ram So if you don’t have 4 to spare try that too.
     
  6. SirWill

    SirWill Founder

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    Local Time:
    11:25 PM
    You are missing a class: java.lang.NoClassDefFoundError: joptsimple/OptionSpec
    Right click the modpack and click uninstall, then install it again and try again.
     
  7. Evan317

    Evan317 Resigned Member of MyM Staff Patron Tier 1 Booster

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    Local Time:
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    Hello supermagister18,
    Did reinstalling the pack fix this issue for you? Let us know!
    -Evan
     
  8. hihello0773

    hihello0773 Well-Known Member

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    Hey,

    Since it's been a while since we've last heard from you, I'll close this thread. If you still have problems, let us know by making a new thread or responding to this one.
     

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