ArrayIndexOutOfBoundsException in ModifyVariable case

[gabizou]

During the update for SpongeVanilla to 24w45a, I'm running across an interesting AIOOB with the following stacktrace:

The case in particular is with a heavily modified method in LivingEntityMixin:

    @ModifyVariable(method = "hurtServer", ordinal = 1,
        at = @At(value = "INVOKE",
            target = "Lnet/minecraft/advancements/critereon/EntityHurtPlayerTrigger;trigger(Lnet/minecraft/server/level/ServerPlayer;Lnet/minecraft/world/damagesource/DamageSource;FFZ)V",
            shift = At.Shift.AFTER
        ),
        slice = @Slice(
            from = @At(value = "FIELD", target = "Lnet/minecraft/advancements/CriteriaTriggers;ENTITY_HURT_PLAYER:Lnet/minecraft/advancements/critereon/EntityHurtPlayerTrigger;"),
            to = @At(value = "FIELD", target = "Lnet/minecraft/stats/Stats;DAMAGE_BLOCKED_BY_SHIELD:Lnet/minecraft/resources/ResourceLocation;")
        ))
    private float attackImpl$modifyBlockedDamage(float damageBlocked) {
        return this.attackImpl$actuallyHurtBlockedDamage;
    }

The following is the bytecode output of the failing mixin:

Bytecode in export debug mode

  // access flags 0x1
  public hurtServer(Lnet/minecraft/server/level/ServerLevel;Lnet/minecraft/world/damagesource/DamageSource;F)Z
   L0
    LINENUMBER 1089 L0
    ALOAD 0
    ALOAD 1
    ALOAD 2
    INVOKEVIRTUAL net/minecraft/world/entity/LivingEntity.isInvulnerableTo (Lnet/minecraft/server/level/ServerLevel;Lnet/minecraft/world/damagesource/DamageSource;)Z
    IFEQ L1
   L2
    LINENUMBER 1090 L2
    ICONST_0
    IRETURN
   L1
    LINENUMBER 1091 L1
   FRAME SAME
    ALOAD 0
    INVOKEVIRTUAL net/minecraft/world/entity/LivingEntity.isDeadOrDying ()Z
    IFEQ L3
   L4
    LINENUMBER 1092 L4
    ICONST_0
    IRETURN
   L3
    LINENUMBER 1093 L3
   FRAME SAME
    ALOAD 2
    GETSTATIC net/minecraft/tags/DamageTypeTags.IS_FIRE : Lnet/minecraft/tags/TagKey;
    INVOKEVIRTUAL net/minecraft/world/damagesource/DamageSource.is (Lnet/minecraft/tags/TagKey;)Z
    IFEQ L5
    ALOAD 0
    GETSTATIC net/minecraft/world/effect/MobEffects.FIRE_RESISTANCE : Lnet/minecraft/core/Holder;
    INVOKEVIRTUAL net/minecraft/world/entity/LivingEntity.hasEffect (Lnet/minecraft/core/Holder;)Z
    IFEQ L5
   L6
    LINENUMBER 1094 L6
    ICONST_0
    IRETURN
   L5
    LINENUMBER 1096 L5
   FRAME SAME
    ALOAD 0
    INVOKEVIRTUAL net/minecraft/world/entity/LivingEntity.isSleeping ()Z
    IFEQ L7
   L8
    LINENUMBER 1097 L8
    ALOAD 0
    INVOKEVIRTUAL net/minecraft/world/entity/LivingEntity.stopSleeping ()V
   L7
    LINENUMBER 1100 L7
   FRAME SAME
    ALOAD 0
    ICONST_0
    PUTFIELD net/minecraft/world/entity/LivingEntity.noActionTime : I
   L9
    LINENUMBER 1101 L9
    FLOAD 3
    FCONST_0
    FCMPG
    IFGE L10
   L11
    LINENUMBER 1102 L11
    FCONST_0
    FSTORE 3
   L10
    LINENUMBER 1105 L10
   FRAME SAME
    FLOAD 3
    FSTORE 4
   L12
    LINENUMBER 1106 L12
    ICONST_0
    ISTORE 5
   L13
    LINENUMBER 1107 L13
    FCONST_0
    FSTORE 6
   L14
    LINENUMBER 1108 L14
    FLOAD 3
    FCONST_0
    FCMPL
    IFLE L15
    ALOAD 0
    ALOAD 2
    INVOKEVIRTUAL net/minecraft/world/entity/LivingEntity.isDamageSourceBlocked (Lnet/minecraft/world/damagesource/DamageSource;)Z
    IFEQ L15
   L16
    LINENUMBER 1109 L16
    ALOAD 0
    FLOAD 3
    INVOKEVIRTUAL net/minecraft/world/entity/LivingEntity.hurtCurrentlyUsedShield (F)V
   L17
    LINENUMBER 1110 L17
    FLOAD 3
    FSTORE 6
   L18
    LINENUMBER 1111 L18
    FCONST_0
    FSTORE 3
   L19
    LINENUMBER 1112 L19
    ALOAD 2
    GETSTATIC net/minecraft/tags/DamageTypeTags.IS_PROJECTILE : Lnet/minecraft/tags/TagKey;
    INVOKEVIRTUAL net/minecraft/world/damagesource/DamageSource.is (Lnet/minecraft/tags/TagKey;)Z
    IFNE L20
   L21
    LINENUMBER 1112 L21
    ALOAD 2
    INVOKEVIRTUAL net/minecraft/world/damagesource/DamageSource.getDirectEntity ()Lnet/minecraft/world/entity/Entity;
    ASTORE 7
   L22
    LINENUMBER 1112 L22
    ALOAD 7
    INSTANCEOF net/minecraft/world/entity/LivingEntity
    IFEQ L20
    ALOAD 7
    CHECKCAST net/minecraft/world/entity/LivingEntity
    ASTORE 8
   L23
    LINENUMBER 1113 L23
    ALOAD 0
    ALOAD 8
    INVOKEVIRTUAL net/minecraft/world/entity/LivingEntity.blockUsingShield (Lnet/minecraft/world/entity/LivingEntity;)V
   L20
    LINENUMBER 1116 L20
   FRAME APPEND [F I F]
    ICONST_1
    ISTORE 5
   L15
    LINENUMBER 1119 L15
   FRAME SAME
    ALOAD 2
    GETSTATIC net/minecraft/tags/DamageTypeTags.IS_FREEZING : Lnet/minecraft/tags/TagKey;
    INVOKEVIRTUAL net/minecraft/world/damagesource/DamageSource.is (Lnet/minecraft/tags/TagKey;)Z
    IFEQ L24
    ALOAD 0
    INVOKEVIRTUAL net/minecraft/world/entity/LivingEntity.getType ()Lnet/minecraft/world/entity/EntityType;
    GETSTATIC net/minecraft/tags/EntityTypeTags.FREEZE_HURTS_EXTRA_TYPES : Lnet/minecraft/tags/TagKey;
    INVOKEVIRTUAL net/minecraft/world/entity/EntityType.is (Lnet/minecraft/tags/TagKey;)Z
    IFEQ L24
   L25
    LINENUMBER 1120 L25
    FLOAD 3
    LDC 5.0
    FMUL
    FSTORE 3
   L24
    LINENUMBER 1123 L24
   FRAME SAME
    ALOAD 2
    GETSTATIC net/minecraft/tags/DamageTypeTags.DAMAGES_HELMET : Lnet/minecraft/tags/TagKey;
    INVOKEVIRTUAL net/minecraft/world/damagesource/DamageSource.is (Lnet/minecraft/tags/TagKey;)Z
    IFEQ L26
    ALOAD 0
    GETSTATIC net/minecraft/world/entity/EquipmentSlot.HEAD : Lnet/minecraft/world/entity/EquipmentSlot;
    INVOKEVIRTUAL net/minecraft/world/entity/LivingEntity.getItemBySlot (Lnet/minecraft/world/entity/EquipmentSlot;)Lnet/minecraft/world/item/ItemStack;
    INVOKEVIRTUAL net/minecraft/world/item/ItemStack.isEmpty ()Z
    IFNE L26
   L27
    LINENUMBER 1124 L27
    ALOAD 0
    ALOAD 2
    FLOAD 3
    INVOKEVIRTUAL net/minecraft/world/entity/LivingEntity.hurtHelmet (Lnet/minecraft/world/damagesource/DamageSource;F)V
   L28
    LINENUMBER 1125 L28
    FLOAD 3
    LDC 0.75
    FMUL
    FSTORE 3
   L26
    LINENUMBER 1128 L26
   FRAME SAME
    ALOAD 0
    GETFIELD net/minecraft/world/entity/LivingEntity.walkAnimation : Lnet/minecraft/world/entity/WalkAnimationState;
    LDC 1.5
    INVOKEVIRTUAL net/minecraft/world/entity/WalkAnimationState.setSpeed (F)V
   L29
    LINENUMBER 1129 L29
    FLOAD 3
    INVOKESTATIC java/lang/Float.isNaN (F)Z
    IFNE L30
    FLOAD 3
    INVOKESTATIC java/lang/Float.isInfinite (F)Z
    IFEQ L31
   L30
    LINENUMBER 1130 L30
   FRAME SAME
    LDC 3.4028235E38
    FSTORE 3
   L31
    LINENUMBER 1133 L31
   FRAME SAME
    ICONST_1
    ISTORE 7
   L32
    LINENUMBER 1134 L32
    ALOAD 0
    GETFIELD net/minecraft/world/entity/LivingEntity.invulnerableTime : I
    I2F
    LDC 10.0
    FCMPL
    IFLE L33
    ALOAD 2
    GETSTATIC net/minecraft/tags/DamageTypeTags.BYPASSES_COOLDOWN : Lnet/minecraft/tags/TagKey;
    INVOKEVIRTUAL net/minecraft/world/damagesource/DamageSource.is (Lnet/minecraft/tags/TagKey;)Z
    IFNE L33
   L34
    LINENUMBER 1135 L34
    FLOAD 3
    ALOAD 0
    GETFIELD net/minecraft/world/entity/LivingEntity.lastHurt : F
    FCMPG
    IFGT L35
   L36
    LINENUMBER 1136 L36
    ICONST_0
    IRETURN
   L35
    LINENUMBER 1139 L35
   FRAME APPEND [I]
    ALOAD 0
    ALOAD 1
    ALOAD 2
    FLOAD 3
    ALOAD 0
    GETFIELD net/minecraft/world/entity/LivingEntity.lastHurt : F
    FSUB
    INVOKEVIRTUAL net/minecraft/world/entity/LivingEntity.actuallyHurt (Lnet/minecraft/server/level/ServerLevel;Lnet/minecraft/world/damagesource/DamageSource;F)V
   L37
    LINENUMBER 1140 L37
    ALOAD 0
    FLOAD 3
    PUTFIELD net/minecraft/world/entity/LivingEntity.lastHurt : F
   L38
    LINENUMBER 1141 L38
    ICONST_0
    ISTORE 7
    GOTO L39
   L33
    LINENUMBER 1143 L33
   FRAME SAME
    ALOAD 0
    FLOAD 3
    PUTFIELD net/minecraft/world/entity/LivingEntity.lastHurt : F
   L40
    LINENUMBER 1144 L40
    ALOAD 0
    BIPUSH 20
    PUTFIELD net/minecraft/world/entity/LivingEntity.invulnerableTime : I
   L41
    LINENUMBER 1145 L41
    ALOAD 0
    ALOAD 1
    ALOAD 2
    FLOAD 3
    INVOKEVIRTUAL net/minecraft/world/entity/LivingEntity.actuallyHurt (Lnet/minecraft/server/level/ServerLevel;Lnet/minecraft/world/damagesource/DamageSource;F)V
   L42
    LINENUMBER 1146 L42
    ALOAD 0
    BIPUSH 10
    PUTFIELD net/minecraft/world/entity/LivingEntity.hurtDuration : I
   L43
    LINENUMBER 1147 L43
    ALOAD 0
    ALOAD 0
    GETFIELD net/minecraft/world/entity/LivingEntity.hurtDuration : I
    PUTFIELD net/minecraft/world/entity/LivingEntity.hurtTime : I
   L39
    LINENUMBER 1150 L39
   FRAME SAME
    ALOAD 0
    ALOAD 2
    INVOKEVIRTUAL net/minecraft/world/entity/LivingEntity.resolveMobResponsibleForDamage (Lnet/minecraft/world/damagesource/DamageSource;)V
   L44
    LINENUMBER 1151 L44
    ALOAD 0
    ALOAD 2
    INVOKEVIRTUAL net/minecraft/world/entity/LivingEntity.resolvePlayerResponsibleForDamage (Lnet/minecraft/world/damagesource/DamageSource;)Lnet/minecraft/world/entity/player/Player;
    POP
   L45
    LINENUMBER 1152 L45
    ILOAD 7
    IFEQ L46
   L47
    LINENUMBER 1153 L47
    ILOAD 5
    IFEQ L48
   L49
    LINENUMBER 1154 L49
    ALOAD 1
    ALOAD 0
    BIPUSH 29
    INVOKEVIRTUAL net/minecraft/server/level/ServerLevel.broadcastEntityEvent (Lnet/minecraft/world/entity/Entity;B)V
    GOTO L50
   L48
    LINENUMBER 1156 L48
   FRAME SAME
    ALOAD 1
    ALOAD 0
    ALOAD 2
    INVOKEVIRTUAL net/minecraft/server/level/ServerLevel.broadcastDamageEvent (Lnet/minecraft/world/entity/Entity;Lnet/minecraft/world/damagesource/DamageSource;)V
   L50
    LINENUMBER 1159 L50
   FRAME SAME
    ALOAD 2
    GETSTATIC net/minecraft/tags/DamageTypeTags.NO_IMPACT : Lnet/minecraft/tags/TagKey;
    INVOKEVIRTUAL net/minecraft/world/damagesource/DamageSource.is (Lnet/minecraft/tags/TagKey;)Z
    IFNE L51
    ILOAD 5
    IFEQ L52
    FLOAD 3
    FCONST_0
    FCMPL
    IFLE L51
   L52
    LINENUMBER 1160 L52
   FRAME SAME
    ALOAD 0
    INVOKEVIRTUAL net/minecraft/world/entity/LivingEntity.markHurt ()V
   L51
    LINENUMBER 1163 L51
   FRAME SAME
    ALOAD 2
    GETSTATIC net/minecraft/tags/DamageTypeTags.NO_KNOCKBACK : Lnet/minecraft/tags/TagKey;
    INVOKEVIRTUAL net/minecraft/world/damagesource/DamageSource.is (Lnet/minecraft/tags/TagKey;)Z
    IFNE L46
   L53
    LINENUMBER 1164 L53
    DCONST_0
    DSTORE 8
   L54
    LINENUMBER 1165 L54
    DCONST_0
    DSTORE 10
   L55
    LINENUMBER 1166 L55
    ALOAD 2
    INVOKEVIRTUAL net/minecraft/world/damagesource/DamageSource.getDirectEntity ()Lnet/minecraft/world/entity/Entity;
    ASTORE 13
    ALOAD 13
    INSTANCEOF net/minecraft/world/entity/projectile/Projectile
    IFEQ L56
    ALOAD 13
    CHECKCAST net/minecraft/world/entity/projectile/Projectile
    ASTORE 12
   L57
    LINENUMBER 1167 L57
    ALOAD 12
    ALOAD 0
    ALOAD 2
    INVOKEVIRTUAL net/minecraft/world/entity/projectile/Projectile.calculateHorizontalHurtKnockbackDirection (Lnet/minecraft/world/entity/LivingEntity;Lnet/minecraft/world/damagesource/DamageSource;)Lit/unimi/dsi/fastutil/doubles/DoubleDoubleImmutablePair;
    ASTORE 13
   L58
    LINENUMBER 1168 L58
    ALOAD 13
    INVOKEVIRTUAL it/unimi/dsi/fastutil/doubles/DoubleDoubleImmutablePair.leftDouble ()D
    DNEG
    DSTORE 8
   L59
    LINENUMBER 1169 L59
    ALOAD 13
    INVOKEVIRTUAL it/unimi/dsi/fastutil/doubles/DoubleDoubleImmutablePair.rightDouble ()D
    DNEG
    DSTORE 10
   L60
    LINENUMBER 1170 L60
    GOTO L61
   L56
   FRAME FULL [net/minecraft/world/entity/LivingEntity net/minecraft/server/level/ServerLevel net/minecraft/world/damagesource/DamageSource F F I F I D D T net/minecraft/world/entity/Entity] []
    ALOAD 2
    INVOKEVIRTUAL net/minecraft/world/damagesource/DamageSource.getSourcePosition ()Lnet/minecraft/world/phys/Vec3;
    IFNULL L61
   L62
    LINENUMBER 1171 L62
    ALOAD 2
    INVOKEVIRTUAL net/minecraft/world/damagesource/DamageSource.getSourcePosition ()Lnet/minecraft/world/phys/Vec3;
    INVOKEVIRTUAL net/minecraft/world/phys/Vec3.x ()D
    ALOAD 0
    INVOKEVIRTUAL net/minecraft/world/entity/LivingEntity.getX ()D
    DSUB
    DSTORE 8
   L63
    LINENUMBER 1172 L63
    ALOAD 2
    INVOKEVIRTUAL net/minecraft/world/damagesource/DamageSource.getSourcePosition ()Lnet/minecraft/world/phys/Vec3;
    INVOKEVIRTUAL net/minecraft/world/phys/Vec3.z ()D
    ALOAD 0
    INVOKEVIRTUAL net/minecraft/world/entity/LivingEntity.getZ ()D
    DSUB
    DSTORE 10
   L61
    LINENUMBER 1175 L61
   FRAME FULL [net/minecraft/world/entity/LivingEntity net/minecraft/server/level/ServerLevel net/minecraft/world/damagesource/DamageSource F F I F I D D T java/lang/Object] []
    ALOAD 0
    LDC 0.4000000059604645
    DLOAD 8
    DLOAD 10
    INVOKEVIRTUAL net/minecraft/world/entity/LivingEntity.knockback (DDD)V
   L64
    LINENUMBER 1176 L64
    ILOAD 5
    IFNE L46
   L65
    LINENUMBER 1177 L65
    ALOAD 0
    DLOAD 8
    DLOAD 10
    INVOKEVIRTUAL net/minecraft/world/entity/LivingEntity.indicateDamage (DD)V
   L46
    LINENUMBER 1182 L46
   FRAME FULL [net/minecraft/world/entity/LivingEntity net/minecraft/server/level/ServerLevel net/minecraft/world/damagesource/DamageSource F F I F I] []
    ALOAD 0
    INVOKEVIRTUAL net/minecraft/world/entity/LivingEntity.isDeadOrDying ()Z
    IFEQ L66
   L67
    LINENUMBER 1183 L67
    ALOAD 0
    ALOAD 2
    INVOKEVIRTUAL net/minecraft/world/entity/LivingEntity.checkTotemDeathProtection (Lnet/minecraft/world/damagesource/DamageSource;)Z
    IFNE L68
   L69
    LINENUMBER 1184 L69
    ILOAD 7
    IFEQ L70
   L71
    LINENUMBER 1185 L71
    ALOAD 0
    ALOAD 0
    INVOKEVIRTUAL net/minecraft/world/entity/LivingEntity.getDeathSound ()Lnet/minecraft/sounds/SoundEvent;
    INVOKEVIRTUAL net/minecraft/world/entity/LivingEntity.makeSound (Lnet/minecraft/sounds/SoundEvent;)V
   L70
    LINENUMBER 1188 L70
   FRAME SAME
    ALOAD 0
    ALOAD 2
    INVOKEVIRTUAL net/minecraft/world/entity/LivingEntity.die (Lnet/minecraft/world/damagesource/DamageSource;)V
    GOTO L68
   L66
    LINENUMBER 1190 L66
   FRAME SAME
    ILOAD 7
    IFEQ L68
   L72
    LINENUMBER 1191 L72
    ALOAD 0
    ALOAD 2
    INVOKEVIRTUAL net/minecraft/world/entity/LivingEntity.playHurtSound (Lnet/minecraft/world/damagesource/DamageSource;)V
   L68
    LINENUMBER 1194 L68
   FRAME SAME
    ILOAD 5
    IFEQ L73
    FLOAD 3
    FCONST_0
    FCMPL
    IFLE L74
   L73
   FRAME SAME
    ICONST_1
    GOTO L75
   L74
   FRAME SAME
    ICONST_0
   L75
   FRAME SAME1 I
    ISTORE 8
   L76
    LINENUMBER 1195 L76
    ILOAD 8
    IFEQ L77
   L78
    LINENUMBER 1196 L78
    ALOAD 0
    ALOAD 2
    PUTFIELD net/minecraft/world/entity/LivingEntity.lastDamageSource : Lnet/minecraft/world/damagesource/DamageSource;
   L79
    LINENUMBER 1197 L79
    ALOAD 0
    ALOAD 0
    INVOKEVIRTUAL net/minecraft/world/entity/LivingEntity.level ()Lnet/minecraft/world/level/Level;
    INVOKEVIRTUAL net/minecraft/world/level/Level.getGameTime ()J
    PUTFIELD net/minecraft/world/entity/LivingEntity.lastDamageStamp : J
   L80
    LINENUMBER 1199 L80
    ALOAD 0
    INVOKEVIRTUAL net/minecraft/world/entity/LivingEntity.getActiveEffects ()Ljava/util/Collection;
    INVOKEINTERFACE java/util/Collection.iterator ()Ljava/util/Iterator; (itf)
    ASTORE 9
   L81
   FRAME APPEND [I java/util/Iterator]
    ALOAD 9
    INVOKEINTERFACE java/util/Iterator.hasNext ()Z (itf)
    IFEQ L77
    ALOAD 9
    INVOKEINTERFACE java/util/Iterator.next ()Ljava/lang/Object; (itf)
    CHECKCAST net/minecraft/world/effect/MobEffectInstance
    ASTORE 10
   L82
    LINENUMBER 1200 L82
    ALOAD 10
    ALOAD 1
    ALOAD 0
    ALOAD 2
    FLOAD 3
    INVOKEVIRTUAL net/minecraft/world/effect/MobEffectInstance.onMobHurt (Lnet/minecraft/server/level/ServerLevel;Lnet/minecraft/world/entity/LivingEntity;Lnet/minecraft/world/damagesource/DamageSource;F)V
   L83
    LINENUMBER 1204 L83
    GOTO L81
   L77
    LINENUMBER 1204 L77
   FRAME CHOP 1
    ALOAD 0
    ASTORE 10
    ALOAD 10
    INSTANCEOF net/minecraft/server/level/ServerPlayer
    IFEQ L84
    ALOAD 10
    CHECKCAST net/minecraft/server/level/ServerPlayer
    ASTORE 9
   L85
    LINENUMBER 1205 L85
    GETSTATIC net/minecraft/advancements/CriteriaTriggers.ENTITY_HURT_PLAYER : Lnet/minecraft/advancements/critereon/EntityHurtPlayerTrigger;
    ALOAD 9
    ALOAD 2
    FLOAD 4
    FLOAD 3
    ILOAD 5
    INVOKEVIRTUAL net/minecraft/advancements/critereon/EntityHurtPlayerTrigger.trigger (Lnet/minecraft/server/level/ServerPlayer;Lnet/minecraft/world/damagesource/DamageSource;FFZ)V
   L86
    LINENUMBER 1206 L86
    FLOAD 6
    FCONST_0
    FCMPL
    IFLE L84
    FLOAD 6
    LDC 3.4028235E37
    FCMPG
    IFGE L84
   L87
    LINENUMBER 1207 L87
    ALOAD 9
    GETSTATIC net/minecraft/stats/Stats.DAMAGE_BLOCKED_BY_SHIELD : Lnet/minecraft/resources/ResourceLocation;
    FLOAD 6
    LDC 10.0
    FMUL
    INVOKESTATIC java/lang/Math.round (F)I
    INVOKEVIRTUAL net/minecraft/server/level/ServerPlayer.awardStat (Lnet/minecraft/resources/ResourceLocation;I)V
   L84
    LINENUMBER 1211 L84
   FRAME APPEND [T net/minecraft/world/entity/LivingEntity]
    ALOAD 2
    INVOKEVIRTUAL net/minecraft/world/damagesource/DamageSource.getEntity ()Lnet/minecraft/world/entity/Entity;
    ASTORE 10
    ALOAD 10
    INSTANCEOF net/minecraft/server/level/ServerPlayer
    IFEQ L88
    ALOAD 10
    CHECKCAST net/minecraft/server/level/ServerPlayer
    ASTORE 9
   L89
    LINENUMBER 1212 L89
    GETSTATIC net/minecraft/advancements/CriteriaTriggers.PLAYER_HURT_ENTITY : Lnet/minecraft/advancements/critereon/PlayerHurtEntityTrigger;
    ALOAD 9
    ALOAD 0
    ALOAD 2
    FLOAD 4
    FLOAD 3
    ILOAD 5
    INVOKEVIRTUAL net/minecraft/advancements/critereon/PlayerHurtEntityTrigger.trigger (Lnet/minecraft/server/level/ServerPlayer;Lnet/minecraft/world/entity/Entity;Lnet/minecraft/world/damagesource/DamageSource;FFZ)V
   L88
    LINENUMBER 1215 L88
   FRAME FULL [net/minecraft/world/entity/LivingEntity net/minecraft/server/level/ServerLevel net/minecraft/world/damagesource/DamageSource F F I F I I T net/minecraft/world/entity/Entity] []
    ILOAD 8
    IRETURN
   L90
    LOCALVARIABLE this Lnet/minecraft/world/entity/LivingEntity; L0 L90 0
    LOCALVARIABLE $$0 Lnet/minecraft/server/level/ServerLevel; L0 L90 1
    LOCALVARIABLE $$1 Lnet/minecraft/world/damagesource/DamageSource; L0 L90 2
    LOCALVARIABLE $$2 F L0 L90 3
    LOCALVARIABLE $$3 F L12 L90 4
    LOCALVARIABLE $$4 Z L13 L90 5
    LOCALVARIABLE $$5 F L14 L90 6
    LOCALVARIABLE $$6 Lnet/minecraft/world/entity/Entity; L22 L20 7
    LOCALVARIABLE $$7 Lnet/minecraft/world/entity/LivingEntity; L23 L20 8
    LOCALVARIABLE $$8 Z L32 L90 7
    LOCALVARIABLE $$9 D L54 L46 8
    LOCALVARIABLE $$10 D L55 L46 10
    LOCALVARIABLE $$11 Lnet/minecraft/world/entity/projectile/Projectile; L57 L56 12
    LOCALVARIABLE $$12 Lit/unimi/dsi/fastutil/doubles/DoubleDoubleImmutablePair; L58 L60 13
    LOCALVARIABLE $$13 Z L76 L90 8
    LOCALVARIABLE $$14 Lnet/minecraft/world/effect/MobEffectInstance; L82 L83 10
    LOCALVARIABLE $$15 Lnet/minecraft/server/level/ServerPlayer; L85 L84 9
    LOCALVARIABLE $$16 Lnet/minecraft/server/level/ServerPlayer; L89 L88 9
    MAXSTACK = 7
    MAXLOCALS = 14

Provided Stacktrace

Stacktrace

Exception in thread "main" java.lang.reflect.InvocationTargetException
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:118)
	at java.base/java.lang.reflect.Method.invoke(Method.java:580)
	at net.minecraftforge.bootstrap.Bootstrap.start(Bootstrap.java:101)
	at net.minecraftforge.bootstrap.ForgeBootstrap.main(ForgeBootstrap.java:19)
Caused by: java.lang.reflect.InvocationTargetException
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:118)
	at java.base/java.lang.reflect.Method.invoke(Method.java:580)
	at CLEANED-BOOTSTRAP//net.minecraftforge.bootstrap.Bootstrap.bootstrapMain(Bootstrap.java:133)
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
	... 3 more
Caused by: java.lang.reflect.InvocationTargetException
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:118)
	at java.base/java.lang.reflect.Method.invoke(Method.java:580)
	at SECURE-BOOTSTRAP/applaunch/org.spongepowered.vanilla.applaunch.handler.dev.ClientDevLaunchHandler.launchSponge(ClientDevLaunchHandler.java:43)
	at SECURE-BOOTSTRAP/applaunch/org.spongepowered.vanilla.applaunch.handler.AbstractVanillaLaunchHandler.lambda$launchService$1(AbstractVanillaLaunchHandler.java:52)
	at SECURE-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:77)
	at SECURE-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:97)
	at SECURE-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.Launcher.run(Launcher.java:116)
	at SECURE-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.Launcher.main(Launcher.java:75)
	at SECURE-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.BootstrapEntry.main(BootstrapEntry.java:17)
	at [email protected]/net.minecraftforge.bootstrap.Bootstrap.moduleMain(Bootstrap.java:188)
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
	... 6 more
Caused by: org.spongepowered.asm.mixin.transformer.throwables.MixinTransformerError: An unexpected critical error was encountered
	at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:392)
	at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClass(MixinTransformer.java:250)
	at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.service.modlauncher.MixinTransformationHandler.processClass(MixinTransformationHandler.java:131)
	at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.launch.MixinLaunchPluginLegacy.processClass(MixinLaunchPluginLegacy.java:131)
	at SECURE-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.serviceapi.ILaunchPluginService.processClassWithFlags(ILaunchPluginService.java:142)
	at SECURE-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.LaunchPluginHandler.offerClassNodeToPlugins(LaunchPluginHandler.java:91)
	at SECURE-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.ClassTransformer.transform(ClassTransformer.java:107)
	at SECURE-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.TransformingClassLoader.maybeTransformClassBytes(TransformingClassLoader.java:44)
	at cpw.mods.securejarhandler/net.minecraftforge.securemodules.SecureModuleClassLoader.readerToClass(SecureModuleClassLoader.java:480)
	at cpw.mods.securejarhandler/net.minecraftforge.securemodules.SecureModuleClassLoader.findClass(SecureModuleClassLoader.java:406)
	at cpw.mods.securejarhandler/net.minecraftforge.securemodules.SecureModuleClassLoader.loadClass(SecureModuleClassLoader.java:422)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526)
	at java.base/java.lang.ClassLoader.defineClass1(Native Method)
	at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1027)
	at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:150)
	at cpw.mods.securejarhandler/net.minecraftforge.securemodules.SecureModuleClassLoader.readerToClass(SecureModuleClassLoader.java:491)
	at cpw.mods.securejarhandler/net.minecraftforge.securemodules.SecureModuleClassLoader.findClass(SecureModuleClassLoader.java:406)
	at cpw.mods.securejarhandler/net.minecraftforge.securemodules.SecureModuleClassLoader.loadClass(SecureModuleClassLoader.java:422)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526)
	at java.base/java.lang.ClassLoader.defineClass1(Native Method)
	at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1027)
	at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:150)
	at cpw.mods.securejarhandler/net.minecraftforge.securemodules.SecureModuleClassLoader.readerToClass(SecureModuleClassLoader.java:491)
	at cpw.mods.securejarhandler/net.minecraftforge.securemodules.SecureModuleClassLoader.findClass(SecureModuleClassLoader.java:406)
	at cpw.mods.securejarhandler/net.minecraftforge.securemodules.SecureModuleClassLoader.loadClass(SecureModuleClassLoader.java:422)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526)
	at java.base/java.lang.ClassLoader.defineClass1(Native Method)
	at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1027)
	at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:150)
	at cpw.mods.securejarhandler/net.minecraftforge.securemodules.SecureModuleClassLoader.readerToClass(SecureModuleClassLoader.java:491)
	at cpw.mods.securejarhandler/net.minecraftforge.securemodules.SecureModuleClassLoader.findClass(SecureModuleClassLoader.java:406)
	at cpw.mods.securejarhandler/net.minecraftforge.securemodules.SecureModuleClassLoader.loadClass(SecureModuleClassLoader.java:422)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526)
	at java.base/java.lang.ClassLoader.defineClass1(Native Method)
	at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1027)
	at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:150)
	at cpw.mods.securejarhandler/net.minecraftforge.securemodules.SecureModuleClassLoader.readerToClass(SecureModuleClassLoader.java:491)
	at cpw.mods.securejarhandler/net.minecraftforge.securemodules.SecureModuleClassLoader.findClass(SecureModuleClassLoader.java:406)
	at cpw.mods.securejarhandler/net.minecraftforge.securemodules.SecureModuleClassLoader.loadClass(SecureModuleClassLoader.java:422)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526)
	at java.base/java.lang.ClassLoader.defineClass1(Native Method)
	at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1027)
	at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:150)
	at cpw.mods.securejarhandler/net.minecraftforge.securemodules.SecureModuleClassLoader.readerToClass(SecureModuleClassLoader.java:491)
	at cpw.mods.securejarhandler/net.minecraftforge.securemodules.SecureModuleClassLoader.findClass(SecureModuleClassLoader.java:406)
	at cpw.mods.securejarhandler/net.minecraftforge.securemodules.SecureModuleClassLoader.loadClass(SecureModuleClassLoader.java:422)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526)
	at TRANSFORMER/[email protected]/org.spongepowered.common.registry.SpongeBuilderProvider.registerDefaultBuilders(SpongeBuilderProvider.java:303)
	at TRANSFORMER/[email protected]/org.spongepowered.common.SpongeLifecycle.establishBuilders(SpongeLifecycle.java:99)
	at TRANSFORMER/[email protected]/org.spongepowered.vanilla.launch.VanillaBootstrap.perform(VanillaBootstrap.java:52)
	at TRANSFORMER/[email protected]/org.spongepowered.vanilla.launch.ClientLaunch.performBootstrap(ClientLaunch.java:51)
	at TRANSFORMER/[email protected]/org.spongepowered.vanilla.launch.VanillaLaunch.launchPlatform(VanillaLaunch.java:99)
	at TRANSFORMER/[email protected]/org.spongepowered.vanilla.launch.ClientLaunch.launch(ClientLaunch.java:41)
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
	... 16 more
Caused by: org.spongepowered.asm.mixin.throwables.MixinApplyError: Mixin [mixins.sponge.core.json:world.entity.LivingEntityMixin_Attack_Impl] from phase [DEFAULT] in config [mixins.sponge.core.json] FAILED during APPLY
	at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinProcessor.handleMixinError(MixinProcessor.java:636)
	at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinProcessor.handleMixinApplyError(MixinProcessor.java:588)
	at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:379)
	... 69 more
Caused by: org.spongepowered.asm.mixin.transformer.throwables.InvalidMixinException: Unexpecteded ArrayIndexOutOfBoundsException whilst transforming the mixin class: [INJECT_PREINJECT Applicator Phase -> mixins.sponge.core.json:world.entity.LivingEntityMixin_Attack_Impl -> Apply Injections -> PreInject -> mixins.sponge.core.json:world.entity.LivingEntityMixin_Attack_Impl->@ModifyVariable::attackImpl$modifyBlockedDamage(F)F]
	at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinTargetContext.applyPreInjections(MixinTargetContext.java:1432)
	at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.applyPreInjections(MixinApplicatorStandard.java:739)
	at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.applyMixin(MixinApplicatorStandard.java:323)
	at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.apply(MixinApplicatorStandard.java:244)
	at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.TargetClassContext.apply(TargetClassContext.java:398)
	at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.TargetClassContext.applyMixins(TargetClassContext.java:380)
	at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:363)
	... 69 more
Caused by: java.lang.ArrayIndexOutOfBoundsException: Index 14 out of bounds for length 14
	at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.util.Locals.getLocalsAt(Locals.java:516)
	at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.util.Locals.getLocalsAt(Locals.java:335)
	at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.injection.modify.LocalVariableDiscriminator$Context.initLocals(LocalVariableDiscriminator.java:154)
	at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.injection.modify.LocalVariableDiscriminator$Context.<init>(LocalVariableDiscriminator.java:148)
	at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.injection.modify.ModifyVariableInjector$Context.<init>(ModifyVariableInjector.java:75)
	at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.injection.modify.ModifyVariableInjector.preInject(ModifyVariableInjector.java:180)
	at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.injection.code.Injector.preInject(Injector.java:266)
	at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.injection.struct.InjectionInfo.preInject(InjectionInfo.java:499)
	at SECURE-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinTargetContext.applyPreInjections(MixinTargetContext.java:1425)
	... 75 more
	```

</details>

The interesting thing about this is that this mixin works _fine_ on [1.21.3 ](https://github.com/SpongePowered/Sponge/blob/64bec579a52f098fda968e1c7356a5ed446b6c28/src/mixins/java/org/spongepowered/common/mixin/core/world/entity/LivingEntityMixin_Attack_Impl.java#L215-L225), but the mixin otherwise fails in 24w45a.

I know that this is a snapshot in development, but I'd expect this kind of bug be somewhat finicky to find in the first place.