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gar0u

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Posts posted by gar0u

  1. My son and I have been working our way through the book, "Minecraft Modding with Forge", only to get stuck on page six for quite a while.  We found lots of people encountering the same error, but no solutions.  Tonight, I was determined to get it to work, and here is how I did it!

     

    The first step can be done with your regular user account:

     

    1. Download Minecraft Forge from http://files.minecraftforge.net (get the "recommended version"--at the time of this post, 11.14.4.1563 (the Mdk one)).

     

    2. You should now have a 'Forge' directory in your 'Downloads' folder (mine was actually named 'Forge-1').  Make a folder on your Desktop called 'forge' and copy the contents of the Download 'Forge' directory into the 'forge' directory on your Desktop.

     

    Note: These next few steps need to be run under an Administrator account:

     

    3. Install "brew" from http://brew.sh, which you can use to easily install an older version of Java SDK (1.6)

     

    4. Install Java SDK 1.6 by typing the following into the 'Terminal' program:

     

    brew tap cask room/versions

    brew cask install java6

     

    5. Delete the 'vecmath.jar' file in /System/Library/Java/Extensions (if you don't have a copy of 'vecmath.jar' at this location, that is ok)

     

    Now go back to your regular user account

     

    6. Set your JAVA_HOME environment variable, again using the "Terminal" program:

     

    export JAVA_HOME=$(/usr/libexec/java_home -v 1.6)

     

    7. Change directories to your Desktop 'forge' directory

     

    8. Edit the 'gradlew' file.  Change the DEFAULT_JVM_OPTS="" line to DEFAULT_JVM_OPTS="-Xmx1024m"

     

    9. You're now ready to run the command:

     

    ./gradlew setupDecompWorkspace eclipse

     

    I got the desired "BUILD SUCCESSFUL" message after about 5 minutes and 30 seconds.  If you get past the 'recompileMc' task, you should be home free.

     

    I really hope this helps others who are working with the book, or trying to get Forge to work on OSX.  It can be done!  Don't give up!

     

    [My System Specs]

     

    OS X Yosemite (version 10.10.5)

    Mac mini (Late 2009)

    Processor 2.66 GHz Intel Core 2 Duo

    Memory 8GB 1067 Mhz DDR3

    Graphics NVIDIA GeForce 9400 256MB

    Using Java SDK 1.6 co-installed with Java SDK 1.8

    JAVA_HOME set using /usr/libexec/java_home -v 1.6

     

  2. We are having the exact same problem.  Have not been able to get the following command to work:

     

    ./sudo gradlew setupDecompWorkspace eclipse

     

    for several versions of the source code now.  Deleting  'vecmath' helped us get further on the 'recompileMc' step, but we are stuck at the same error as the OP.

     

    Will post a solution if I find one...

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