--- a/net/minecraft/server/TileEntityConduit.java
+++ b/net/minecraft/server/TileEntityConduit.java
@@ -152,7 +152,7 @@
                 EntityHuman entityhuman = (EntityHuman) iterator.next();
 
                 if (this.position.m(new BlockPosition(entityhuman)) <= (double) j && entityhuman.ao()) {
-                    entityhuman.addEffect(new MobEffect(MobEffects.CONDUIT_POWER, 260, 0, true, true));
+                    entityhuman.addEffect(new MobEffect(MobEffects.CONDUIT_POWER, 260, 0, true, true), org.bukkit.event.entity.EntityPotionEffectEvent.Cause.CONDUIT); // CraftBukkit
                 }
             }
 
@@ -169,8 +169,8 @@
             this.j = this.l();
             this.k = null;
         } else if (this.j == null) {
-            List list = this.world.a(EntityLiving.class, this.k(), (entityliving) -> {
-                return entityliving instanceof IMonster && entityliving.ao();
+            List list = this.world.a(EntityLiving.class, this.k(), (Predicate<EntityLiving>) (entitylivingx) -> { // CraftBukkit - decompile error
+                return entitylivingx instanceof IMonster && entitylivingx.ao(); // CraftBukkit - decompile error
             });
 
             if (!list.isEmpty()) {
@@ -215,7 +215,7 @@
 
     @Nullable
     private EntityLiving l() {
-        List list = this.world.a(EntityLiving.class, this.k(), (entityliving) -> {
+        List list = this.world.a(EntityLiving.class, this.k(), (Predicate<EntityLiving>) (entityliving) -> { // CraftBukkit - decompile error
             return entityliving.getUniqueID().equals(this.k);
         });