Paper/paper-server/nms-patches/net/minecraft/world/level/block/BlockDispenser.patch

--- a/net/minecraft/world/level/block/BlockDispenser.java
+++ b/net/minecraft/world/level/block/BlockDispenser.java
@@ -48,6 +48,7 @@
         object2objectopenhashmap.defaultReturnValue(new DispenseBehaviorItem());
     });
     private static final int TRIGGER_DURATION = 4;
+    public static boolean eventFired = false; // CraftBukkit
 
     public static void registerBehavior(IMaterial imaterial, IDispenseBehavior idispensebehavior) {
         BlockDispenser.DISPENSER_REGISTRY.put(imaterial.asItem(), idispensebehavior);
@@ -79,7 +80,7 @@
     }
 
     public void dispenseFrom(WorldServer worldserver, IBlockData iblockdata, BlockPosition blockposition) {
-        TileEntityDispenser tileentitydispenser = (TileEntityDispenser) worldserver.getBlockEntity(blockposition, TileEntityTypes.DISPENSER).orElse((Object) null);
+        TileEntityDispenser tileentitydispenser = (TileEntityDispenser) worldserver.getBlockEntity(blockposition, TileEntityTypes.DISPENSER).orElse(null); // CraftBukkit - decompile error
 
         if (tileentitydispenser == null) {
             BlockDispenser.LOGGER.warn("Ignoring dispensing attempt for Dispenser without matching block entity at {}", blockposition);
@@ -95,6 +96,7 @@
                 IDispenseBehavior idispensebehavior = this.getDispenseMethod(itemstack);
 
                 if (idispensebehavior != IDispenseBehavior.NOOP) {
+                    eventFired = false; // CraftBukkit - reset event status
                     tileentitydispenser.setItem(i, idispensebehavior.dispense(sourceblock, itemstack));
                 }