[MCL-22635] Launcher's output log shows duplicate levels, breaking the counters in the process

When opening the output log while launching Java Edition, duplicates of the "level" categories are created within, with the selections enabled by default not receiving any of the messages output to it. Additionally, due to these duplicate levels, the color coding on the warns, errors, and fatals are all lost, as well as the counters beside each category showing a broken "not a number" in them.

Attachments

launcher_log.txt

Comments 3

[Mod] turbo 2022-11-02T08:03:01Z

Hi, I see that you are using version 1.18.2. Does this issue also happen in version 1.19.2 and the latest snapshot?

Chris Johnston 2022-11-02T16:06:15Z

Yes, this happens irregardless of the version of Minecraft I launch. 1.18.2 just happened to be my selected instance at the time I took the screenshots.

[MCQA] Zgajak 2022-12-13T14:54:26Z

Hi there!

Does this issue still occur on the newest version of the Launcher?
Could you record a video of this issue, and clear repro steps?

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