Hexxit Closes, i dont even see MOJANG logo :C

[weronyan]

Title: Hexxit Closes, i dont even see MOJANG logo :C

Version: 1_0_4

OS: its a mac Procesator: 2.7 Ghz Intel Core i5

Java Version: 1.6

Description of Problem:

When Forge finishes his job minecraft closes automatically, i dont see a report thing, it just white screen by 5 seconds and closes automatically, i dont even see the mojang logo. help please, im a mac user

Error Messages:

there are no error messages it just closes

Error Log:

[weronyan]

its a Mac Os X 10.8.4 (12E55)

[DonyorM]

I have the same problem with mac 10.7