Placing 9-10 tnt minecarts on 2x2 rails and then bumping them will make them accelerate to very fast speed and if then touched, the game will freeze and then crash shortly after.
Video available at: http://youtu.be/HYnYW6tPiKQ
Environment
– System Details –
Details:
Minecraft Version: 13w02a
Operating System: Mac OS X (x86_64) version 10.6.8
Java Version: 1.6.0_37, Apple Inc.
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
Memory: 29230056 bytes (27 MB) / 1069416448 bytes (1019 MB) up to 1069416448 bytes (1019 MB)
JVM Flags: 3 total; -Xbootclasspath/a:/System/Library/PrivateFrameworks/JavaApplicationLauncher.framework/Resources/LauncherSupport.jar -Xms512M -Xmx1024M
AABB Pool Size: 58834 (3294704 bytes; 3 MB) allocated, 53622 (3002832 bytes; 2 MB) used
Suspicious classes: No suspicious classes found.
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
Profiler Position: N/A (disabled)
Vec3 Pool Size: 5331 (298536 bytes; 0 MB) allocated, 5088 (284928 bytes; 0 MB) used
Player Count: 1 / 8; [iq['GENOS'/293879, l='TNT-Cart Memoryleak?', x=869,24, y=56,00, z=375,66]]
Type: Integrated Server (map_client.txt)
Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.
Duplicate of MC-6833.