Im getting this:
Minecraft has crashed!
----------------------
Minecraft has stopped running because it encountered a problem.
If you wish to report this, please copy this entire text and email it to
support@mojang.com.
Please include a description of what you did when the error occured.
--- BEGIN ERROR REPORT a1dce528 --------
Generated 7/15/12 2:47 PM
Minecraft: Minecraft Beta 1.7.3
OS: Mac OS X (x86_64) version 10.7.4
Java: 1.6.0_31, Apple Inc.
VM: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
LWJGL: 2.4.2
OpenGL: NVIDIA GeForce 320M OpenGL Engine version 2.1 NVIDIA-7.18.18, NVIDIA Corporation
java.nio.BufferOverflowException
at java.nio.DirectByteBuffer.put(DirectByteBuffer.java:352)
at java.nio.ByteBuffer.put(ByteBuffer.java:813)
at ji.a(SourceFile:233)
at ji.b(SourceFile:139)
at net.minecraft.client.Minecraft.x(SourceFile:413)
at net.minecraft.client.Minecraft.a(SourceFile:329)
at net.minecraft.client.Minecraft.run(SourceFile:716)
at java.lang.Thread.run(Thread.java:680)
--- END ERROR REPORT 30035535 ----------