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Mac Fix for launcher on mac (Minecraft crashes immediately)

Discussion in '[Archived] Tech Support' started by portablejim, Nov 11, 2012.

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  1. portablejim

    portablejim New Member

    It is known that the mac launcher does not work, minecraft crashes on launch.

    To fix it run
    export JAVA_HOME=/System/Library/Frameworks/JavaVM.framework/Versions/1.6/Home
    in terminal just before launching the launcher from terminal.


    You can download an app file <coming> to do this for you
  2. portablejim

    portablejim New Member

    The full process for launching properly is
    1. Save the launcher jar on the Desktop in a folder called ftb
    2. Open terminal and type

      cd ~/Desktop/ftb/
      export JAVA_HOME=/System/Library/Frameworks/JavaVM.framework/Versions/1.6/Home
      java -jar FTB_Launcher.jar
    3. The launcher should launch and work properly
  3. Samuel Fielder

    Samuel Fielder New Member

    help_me likes this.
  4. natchu96

    natchu96 New Member

    IT LIVES!!!!!

    Thanks! Now if only there was a way to do this without copy-pasting your post into the terminal every time.

    Googled it. came up with Automator workflows saved as application format. Well, that was easy O_0
  5. portablejim

    portablejim New Member

    There is a plan (I am fairly sure) to release the launcher in application format for mac that will do this. (Will be linked replacing the crossed out area on the first post). However, good solution.
  6. Slydsooz

    Slydsooz New Member

    thank you so much!!! It solved Everything for me :D
  7. Sir_Squ

    Sir_Squ New Member

    thank you!!!
  8. Sir_Squ

    Sir_Squ New Member

  9. emcginnis

    emcginnis New Member

    Just like with Vanilla server you can make a launch.command file
    Heres a one I threw together based on the code above


    Just unzip and drop it into the same folder you have the FTB.jar in and double click.
    If you get an error saying it doesn't have permission, open a new terminal window type in without the quotes "sudo chmod +x (drag launch.command here)" then hit enter.
    Make sure you have a space between the "+x" and the file path.
    Dravarden likes this.
  10. Komoden

    Komoden New Member

    Have any of you tried simply starting it with this:
    cd ~/Desktop/ftb/
    java -jar FTB_Launcher.jar
    This has worked for me. I find it weird though that the game cannot run without starting it this way. Especially since it doesn't throw any errors, but simply closes...
    Have anyone investigated the cause for the odd behavior when launching the jar by double clicking it, or is it still a mystery why it acts the way it does?
  11. portablejim

    portablejim New Member

    If you have java 7 installed it will not work on OS X. If you are interested, read http://lwjgl.org/forum/index.php?topic=4711.0 .
  12. Komoden

    Komoden New Member

    I have Java 7 installed... and it works fine for me.. at least im 98% certain i have Java 7, will have to check when i get back home..
    I know of the issues with LWJGL, have been following the development of that thread for a while.. wanna get the new version. The one that ships with Minecraft has a nasty memoryleak when it comes to age-changing in Mystcraft (possibly also Nether/End, but not sure)
  13. Dravarden

    Dravarden New Member

    This one works the best, thanks!

    Also, you can do an alias and put it anywhere you want, and rename it however you want
  14. DarklingGX

    DarklingGX New Member

    Hallelujah! It exists!
  15. Ashzification

    Ashzification New Member

    Do you mind if I include this fix on my CP&S document?
    This is what I would put:
    # Mac crash errors and Login problems: check out this thread here: the OP
  16. ghost20199

    ghost20199 New Member

  17. Snickerdoodlz

    Snickerdoodlz New Member

    It works! Thank you :D pic
  18. longboarderpbc

    longboarderpbc New Member

    what do you mean by open the terminal
  19. portablejim

    portablejim New Member

    You can open the terminal in two ways:
    • Go to Finder, click on "Applications", scroll down to "Utilities" and double click to open it. Scroll down to "Terminal" and double click on it.
    • Hit Command + Space (to open spotlight) and type "Terminal" (without the quotes).
  20. Haidy777

    Haidy777 New Member

    Thanks. Its now it's working again.
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