Too much TNT

I spawned 1000 TNT Minecarts and the Game crashed.

In Crash Report was:

Ticking entity

java.lang.StackOverflowError: Ticking entity
at java.util.HashMap.putVal(Unknown Source)
at java.util.HashMap.put(Unknown Source)
at pz.a(SourceFile:78)
at pk.<init>(SourceFile:157)
at uz.<init>(SourceFile:39)
at uz.<init>(SourceFile:51)
at pk.a(SourceFile:1311)
at va.a(SourceFile:198)
........