No problems in single player..
In multiplayer, when launching fireworks by hand, from launcher, the server terminates layer connection reporting end of stream. Server does not crash, but reports the following for each attempt to launch fireworks.
java.lang.NullPointerException
at ef.a(SourceFile:310)
at mj.a(SourceFile:237)
at mj.a(SourceFile:157)
at et.a(SourceFile:36)
at ef.a(SourceFile:214)
at cg.h(SourceFile:178)
at cg.d(SourceFile:15)
at ci.run(SourceFile:114)
Duplicate of MC-4715 , please use the search function to see if your bug has already been submitted. Currently over 35% of tickets are being closed as duplicate.