PaperMC/paper-server/nms-patches/net/minecraft/world/level/block/AbstractCandleBlock.patch

--- a/net/minecraft/world/level/block/AbstractCandleBlock.java
+++ b/net/minecraft/world/level/block/AbstractCandleBlock.java
@@ -39,6 +39,11 @@
     @Override
     public void a(World world, IBlockData iblockdata, MovingObjectPositionBlock movingobjectpositionblock, IProjectile iprojectile) {
         if (!world.isClientSide && iprojectile.isBurning() && this.c(iblockdata)) {
+            // CraftBukkit start
+            if (org.bukkit.craftbukkit.event.CraftEventFactory.callBlockIgniteEvent(world, movingobjectpositionblock.getBlockPosition(), iprojectile).isCancelled()) {
+                return;
+            }
+            // CraftBukkit end
             a(world, iblockdata, movingobjectpositionblock.getBlockPosition(), true);
         }