PaperMC/paper-server/nms-patches/net/minecraft/world/entity/animal/EntityBee.patch

--- a/net/minecraft/world/entity/animal/EntityBee.java
+++ b/net/minecraft/world/entity/animal/EntityBee.java
@@ -243,7 +243,7 @@
                 }
 
                 if (b0 > 0) {
-                    ((EntityLiving) entity).addEffect(new MobEffect(MobEffects.POISON, b0 * 20, 0), this);
+                    ((EntityLiving) entity).addEffect(new MobEffect(MobEffects.POISON, b0 * 20, 0), this, org.bukkit.event.entity.EntityPotionEffectEvent.Cause.ATTACK); // CraftBukkit
                 }
             }
 
@@ -641,11 +641,15 @@
         if (this.isInvulnerableTo(damagesource)) {
             return false;
         } else {
-            if (!this.level.isClientSide) {
+            // CraftBukkit start
+            boolean result = super.hurt(damagesource, f);
+
+            if (result && !this.level.isClientSide) {
                 this.beePollinateGoal.stopPollinating();
             }
 
-            return super.hurt(damagesource, f);
+            return result;
+            // CraftBukkit end
         }
     }
 
@@ -1221,7 +1225,7 @@
                             }
                         }
 
-                        if (flag) {
+                        if (flag && !org.bukkit.craftbukkit.event.CraftEventFactory.callEntityChangeBlockEvent(EntityBee.this, blockposition, iblockdata.setValue(blockstateinteger, (Integer) iblockdata.getValue(blockstateinteger) + 1)).isCancelled()) { // Spigot
                             EntityBee.this.level.levelEvent(2005, blockposition, 0);
                             EntityBee.this.level.setBlockAndUpdate(blockposition, (IBlockData) iblockdata.setValue(blockstateinteger, (Integer) iblockdata.getValue(blockstateinteger) + 1));
                             EntityBee.this.incrementNumCropsGrownSincePollination();
@@ -1294,7 +1298,7 @@
         @Override
         protected void alertOther(EntityInsentient entityinsentient, EntityLiving entityliving) {
             if (entityinsentient instanceof EntityBee && this.mob.hasLineOfSight(entityliving)) {
-                entityinsentient.setTarget(entityliving);
+                entityinsentient.setTarget(entityliving, org.bukkit.event.entity.EntityTargetEvent.TargetReason.TARGET_ATTACKED_ENTITY, true); // CraftBukkit - reason
             }
 
         }
@@ -1303,7 +1307,7 @@
     private static class c extends PathfinderGoalNearestAttackableTarget<EntityHuman> {
 
         c(EntityBee entitybee) {
-            Objects.requireNonNull(entitybee);
+            // Objects.requireNonNull(entitybee); // CraftBukkit - decompile error
             super(entitybee, EntityHuman.class, 10, true, false, entitybee::isAngryAt);
         }