[MC-117138] "Loaded 'X' advancements" console spam

The bug

In the most recent snapshots, when you use the tick, or arbitrary_player_tick triggers, it will spam the console with "Loaded 'X' Advancements". This can cause quite a bit of lag, and it is next to impossible to find an error within this slew of messages.

To reproduce

Take the tick folder, down below, and drop it into the advancements folder of your world.
Open the world with the console open.
Observe lag, and lots of spam.

Attachments

Screen Shot 2017-05-07 at 11.54.59 AM.png

tick.zip

Comments 3

marcono1234 2017-05-07T17:47:04Z

The problem seems to be that the server informs the client about changes for not displayed (without display key) advancements.

user-f2760 2017-05-07T17:53:03Z

Yeah, it is, and it's especially annoying when using the tick or arbitrary_player_tick triggers and revoking them in order to make command block-less command clocks.

marcono1234 2017-05-22T10:16:10Z

It looks like in 1.12-pre5 advancements without a display key still cause a "Loaded ... advancements" message, but possibly not when the advancement is revoked in the same tick it was granted.

Is that intended?