[Bleeding] Fix stack overflow with Ender Crystals. Fixes BUKKIT-5583

src/main/java/net/minecraft/server/EntityEnderCrystal.java

@@ -67,20 +67,20 @@ public class EntityEnderCrystal extends Entity {
 
                 this.b = 0;
                 if (this.b <= 0) {
-                    // this.die(); // CraftBukkit - moved down
+                    this.die();
                     if (!this.world.isStatic) {
                         // CraftBukkit start
                         ExplosionPrimeEvent event = new ExplosionPrimeEvent(this.getBukkitEntity(), 6.0F, false);
                         this.world.getServer().getPluginManager().callEvent(event);
                         if (event.isCancelled()) {
+                            this.dead = false;
                             return false;
                         }
                         this.world.createExplosion(this, this.locX, this.locY, this.locZ, event.getRadius(), event.getFire(), true);
-                    }
-                    this.die();
                         // CraftBukkit end
                     }
                 }
+            }
 
             return true;
         }