Custom player/mob death sounds not working

I thought the weight was essential since it played a hurt sound, while dying so I kept them. Anyway removing the weight didn't change anything.
Also when playing the sound via the /playsound command I get no errors. Just

[00:26:22 INFO]: Client> [00:26:22] [Server thread/INFO]: [ShadedPL: Zagrano dźwięk 'game.player.die' dla ShadedPL]
[00:26:22 INFO]: Client> [00:26:22] [Client thread/INFO]: [CHAT] Zagrano dźwięk 'game.player.die' dla ShadedPL

It's polish but it basically sais that it successfuly played the sound and I could hear it.
If you want a complete output anyway I could change my language so it would be easier for you to understand.
Thanks for the support!

Yes please the complete output. There is a spot in there where errors will show if any.

I work with custom resource packs for my private server, your issue is sounding a lot like one I ran into a while back that I was able to correct.

http://pastebin.com/raw.php?i=nXKwDL4n
There you go sir!

Confirmed however I need to append the information on this ticket. Thorough testing of this issue displays the following behavior.

Basic sounds.json using slighty modified default minecraft code.

{
  "game.player.die": {
    "category": "player",
    "sounds": [
      "mob/cow/say1",
      "mob/cow/say1",
      "mob/cow/say1"
    ]
  },
  "game.neutral.die": {
    "category": "neutral",
    "sounds": [
      "mob/cow/say1",
      "mob/cow/say1",
      "mob/cow/say1"
    ]
  },
  "game.hostile.die": {
    "category": "hostile",
    "sounds": [
      "mob/cow/say1",
      "mob/cow/say1",
      "mob/cow/say1"
    ]
  }
}

The result of using the above code does not perform in the expected manner.

Expected Behavior: All death sounds should be the cow sound.
Death Result: Actual deaths seems to ignore any custom sounds.json
Playsound Result: Using /playsound the custom sounds.json is appended to the default Minecraft sounds instead of overriding the sounds, you will not only hear cow but the default death sound as well. Weighting seems unchanged and it does not prefer one over the other and will play the default/custom at random. (no custom weighting used)

Attached: Test resource pack with JSON

Confirmed, but weighting does change it for me putting it like this:

{
  "game.player.die": {
    "category": "player",
    "sounds": [
       {
          "name": "mob/cow/say1",
          "weight": 100000000
       },
       {
          "name": "mob/cow/say2",
          "weight": 100000000
       },
       {
          "name": "mob/cow/say3",
          "weight": 100000000
       }
    ]
  }
}

With this code I get practically 100% chance to play the cow sound instead of the hit one.

Yes if a custom weight is used, you'll notice my notes above "(no custom weighting used)" I wanted to know if it preferred default over custom, which it doesn't seem to.

Since I got my server to work on 1.7 I did some tests and I can hear the deathsound but it's the deathsound of another player. This means when I kill someone or somebody dies near me I hear the deathsound but the dead guy doesn't. So now is the question.. Are we half there or does it actually work as intended?