I can't play Minecraft? :(

Discussion in 'General Minecraft Discussion' started by R_S_D, Dec 31, 2013.

  1. I'm having Minecraft problem. I'm been getting this error and don't know what to do: [12:44:56 INFO]: Launching game

    [12:44:56 INFO]: Looking for old natives & assets to clean up...

    [12:44:56 INFO]: Unpacking natives to C:\Users\Jay\AppData\Roaming\.minecraft\versions\1.7.4\1.7.4-natives-18018796274316

    [12:44:57 INFO]: Launching in C:\Users\Jay\AppData\Roaming\.minecraft

    [12:44:57 INFO]: Half command: C:\Program Files (x86)\Java\jre1.6.0_06\bin\javaw.exe -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -Djava.library.path=C:\Users\Jay\AppData\Roaming\.minecraft\versions\1.7.4\1.7.4-natives-18018796274316 -cp C:\Users\Jay\AppData\Roaming\.minecraft\libraries\java3d\vecmath\1.3.1\vecmath-1.3.1.jar;C:\Users\Jay\AppData\Roaming\.minecraft\libraries\net\sf\trove4j\trove4j\3.0.3\trove4j-3.0.3.jar;C:\Users\Jay\AppData\Roaming\.minecraft\libraries\com\ibm\icu\icu4j-core-mojang\51.2\icu4j-core-mojang-51.2.jar;C:\Users\Jay\AppData\Roaming\.minecraft\libraries\net\sf\jopt-simple\jopt-simple\4.5\jopt-simple-4.5.jar;C:\Users\Jay\AppData\Roaming\.minecraft\libraries\com\paulscode\codecjorbis\20101023\codecjorbis-20101023.jar;C:\Users\Jay\AppData\Roaming\.minecraft\libraries\com\paulscode\codecwav\20101023\codecwav-20101023.jar;C:\Users\Jay\AppData\Roaming\.minecraft\libraries\com\paulscode\libraryjavasound\20101123\libraryjavasound-20101123.jar;C:\Users\Jay\AppData\Roaming\.minecraft\libraries\com\paulscode\librarylwjglopenal\20100824\librarylwjglopenal-20100824.jar;C:\Users\Jay\AppData\Roaming\.minecraft\libraries\com\paulscode\soundsystem\20120107\soundsystem-20120107.jar;C:\Users\Jay\AppData\Roaming\.minecraft\libraries\io\netty\netty-all\4.0.10.Final\netty-all-4.0.10.Final.jar;C:\Users\Jay\AppData\Roaming\.minecraft\libraries\com\google\guava\guava\15.0\guava-15.0.jar;C:\Users\Jay\AppData\Roaming\.minecraft\libraries\org\apache\commons\commons-lang3\3.1\commons-lang3-3.1.jar;C:\Users\Jay\AppData\Roaming\.minecraft\libraries\commons-io\commons-io\2.4\commons-io-2.4.jar;C:\Users\Jay\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput\2.0.5\jinput-2.0.5.jar;C:\Users\Jay\AppData\Roaming\.minecraft\libraries\net\java\jutils\jutils\1.0.0\jutils-1.0.0.jar;C:\Users\Jay\AppData\Roaming\.minecraft\libraries\com\google\code\gson\gson\2.2.4\gson-2.2.4.jar;C:\Users\Jay\AppData\Roaming\.minecraft\libraries\com\mojang\authlib\1.2\authlib-1.2.jar;C:\Users\Jay\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-api\2.0-beta9\log4j-api-2.0-beta9.jar;C:\Users\Jay\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-core\2.0-beta9\log4j-core-2.0-beta9.jar;C:\Users\Jay\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl\2.9.1-nightly-20131120\lwjgl-2.9.1-nightly-20131120.jar;C:\Users\Jay\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl_util\2.9.1-nightly-20131120\lwjgl_util-2.9.1-nightly-20131120.jar;C:\Users\Jay\AppData\Roaming\.minecraft\libraries\tv\twitch\twitch\5.12\twitch-5.12.jar;C:\Users\Jay\AppData\Roaming\.minecraft\versions\1.7.4\1.7.4.jar net.minecraft.client.main.Main

    [12:44:57 INFO]: Client> java.lang.NoClassDefFoundError: net/minecraft/client/main/Main

    [12:44:57 INFO]: Client> Caused by: java.lang.ClassNotFoundException: net.minecraft.client.main.Main

    [12:44:57 INFO]: Client> at java.net.URLClassLoader$1.run(Unknown Source)

    [12:44:57 INFO]: Client> at java.security.AccessController.doPrivileged(Native Method)

    [12:44:57 INFO]: Client> at java.net.URLClassLoader.findClass(Unknown Source)

    [12:44:57 INFO]: Client> at java.lang.ClassLoader.loadClass(Unknown Source)

    [12:44:57 INFO]: Client> at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)

    [12:44:57 INFO]: Client> at java.lang.ClassLoader.loadClass(Unknown Source)

    [12:44:57 INFO]: Client> at java.lang.ClassLoader.loadClassInternal(Unknown Source)

    [12:45:02 INFO]: Client> Exception in thread "main"

    [12:45:02 ERROR]: Game ended with bad state (exit code 1)

    [12:45:02 INFO]: Deleting C:\Users\Jay\AppData\Roaming\.minecraft\versions\1.7.4\1.7.4-natives-18018796274316

    [12:45:02 INFO]: Ignoring visibility rule and showing launcher due to a game crash

    What can I do to fix it?
  2. Try reinstalling java or make sure you have the right version of Java (I think it is 6 or 7). Reinstalling mc all together might work but I cannot promise that would do anything. You can try using an alternative launcher like magic launcher but if that doesn't work I do not know what would.
    FireHose_Dragon likes this.
  3. Ok thanks, I've tryed magic launcher and it said 1.7.4 jar is invalid but 1.7.2 is good and went to EMC and is working. So it might be just my internet not good to fix 1.7.4 yet (internet is bad since few days ago :().