[MC-729] Zombies only fight back against players

Short Description: Zombies dont fight back when attacked by other entities than the Player

Longer Description: Im a modder and I first noticed this bug when I made a guard npc that attacks nearby creatures. Whenever it attacked a zombie it would never get hurt. I then went on testing this, but it also doesnt seem to attack a tamed wolf. Zombies not attacking my guard npc might not be considered a bug, though skeletons attack back just fine. The zombie not attacking the wolf is clearly a bug.

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Gravity 2012-10-26T17:12:42Z

Confirmed on 1.4.2

Joss Eden 2012-10-26T22:49:56Z

I believe this started happening in 1.2.5 when Jon changed the AI mob behavior. (Which he did a wonderful job at in my opinion, but it did have some side effects like this one.) I honestly do not know if this is a bug or not though, it could be intentional, but it does suck, Zombies used to fight back against mobs if they got attacked but not anymore.

MisterSanderson 2012-11-20T02:09:35Z

The zombie not attacking the wolf is not a bug: zombies want to eat only human brains. Unless they are zombie wolfs...

Noppes 2012-11-20T08:28:09Z

@MisterSanderson I dont see how zombies would be able to differntiate between 1 sack of meat and another sack of meat. Also zombie wolves <3

EvilSeph (Warren Loo) 2013-05-10T08:58:09Z

This should be fixed in at least Snapshot 13w18a, please test and let me know if this is fixed so I can resolve the ticket, thanks!

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Josh Johnson 2013-05-10T09:16:34Z

I've been testing this for about 15 minutes now, and can't quite find a pattern but ...

Tested this on 13w18c. Zombies seem to happily attack a tamed wolf. However!

Zombies seem to freeze in place and will not willingly move or aggro after they are shot by a skeleton.

Test case:
1. Spawn a skeleton in front of you
2. Spawn a zombie between you and the skeleton
3. Draw the zombie towards you so the skeleton can shoot it
4. The skeleton should shoot the zombie, causing the zombie to hold still.

I'm only noticing this behavior on occasion, and will continue trying to find a pattern.

kumasasa 2013-05-10T09:17:06Z

Cannot confirm fix:

Fenced in a lot of Skeletons and Zombies
changed gamemode to survival
Skeletons started shooting at me but hit also Zombies
changed gamemode back to creative
Skeletons shooting each other and Zombies but Zombies did not attack Skeletons

kumasasa 2013-05-10T09:22:20Z

Also if a single skeleton and single zombie are caged in, the skeleton shoots the zombie but the zombie doesn't react on him.
Both are still targeted at me and are looking at me.

Josh Johnson 2013-05-10T09:31:14Z

I cannot confirm any sort of pattern, but repeating my test case above allows you to sometimes create completely docile zombies ... They stop chasing you nor go after the skeleton continuously shooting them. I can even hug the little guy and push him off a cliff!

But I can also confirm that it will usually aggro on skeletons.

Joss Eden 2013-05-10T20:35:30Z

I tested this too, and like above by the other posters, half the time the Zombie will not attack the Skeleton after being hit, but at times it will, however for me, it just hits it once and stops, letting the Skeleton kill it. If it is in it's "stunned" state, it will be passive until I hit it or kill the Skeleton, in which case it'd return to me. It all seems random, I can't find a pattern.

Tails 2013-05-10T20:41:19Z

Currently this issues cannot be properly tested due to another issue MC-15112.

Ezekiel 2014-01-17T23:53:56Z

Is this still a concern in the latest Minecraft version 14w03b? If so, please update the affected versions in order to best aid Mojang ensuring bugs are still valid in the latest releases/pre-releases.

Josh Johnson 2014-01-18T08:43:00Z

My test case from the comments still hold true; I'm able to create docile zombies by having them shot by a skeleton.

Tintti214 2014-08-11T19:18:06Z

Still reproducible in 14w32d, to note here zombies no longer fight only player but now zombies will fight back iron golems too.
Maybe it's a feature, that zombies just are so interested of killing players that they won't fight other hostile mobs...

Kevin Reid 2014-10-25T14:23:47Z

Confirmed for 1.8.1-pre3. I had a skeleton shoot a zombie and the zombie then did not attack either me or the skeleton.

galaxy_2alex 2014-10-25T14:28:11Z

Reopened, thanks.

Lucas Ignacio Morrison Osorio 2014-12-22T18:48:16Z

Is this still a concern in the current Minecraft 1.8.1 / 1.8.2-pre1? If so, please update the affected versions so that this issue is still valid with the current (pre-)releases

galaxy_2alex 2014-12-22T19:43:31Z

@Lucas Ignacio Morrison Osorio: There is no need to ask this every small release. Actually, please don't do this on any other tickets, since we're trying to reduce that to just major releases.

Sonicwave 2015-07-29T23:11:26Z

Confirmed in 15w31a; the zombie was attacked by skeletons and stood there instead of attacking.

Nickolas Cosimo Cosentino 2015-12-03T04:03:14Z

Looks like it was finally fixed in 15w49a

Zombies only fight back against players

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