Done the game does not start

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

 

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?

 

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

 

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

 

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

 

Hello supermagister18,
Did reinstalling the pack fix this issue for you? Let us know!
-Evan

 

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.