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Bad User Practice Can Lead to MultiMC Crash #1854

flcmc opened this Issue Apr 13, 2017 · 2 comments


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flcmc commented Apr 13, 2017

System Information

MultiMC version: 0.5.0-develop-950

Operating System: Windows

Summary of the issue or suggestion:

MultiMC completely crashes when the user tries to kill an instance that has already been terminated.

When killing an instance, MultiMC should check if the instance is still open.

This may also be an issue when the user tries to kill a frozen instance that closes before confirmation of killing the instance.

What should happen:

Nothing should happen when user tries to kill the instance.

Steps to reproduce the issue (Add more if needed):

  1. Launch any instance

  2. Press the Kill button, but don't actually confirm it.

  3. Close Minecraft.

  4. Go back to the MultiMC console and confirm killing the instance.

Suspected cause:

MultiMC doesn't check if the instance is already closed.


No Logs, MultiMC simply crashes.


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peterix commented Apr 13, 2017

Good one. There's likely a lot of those around.

Mostly it's caused by a less rigid UI and allowing people to do more things at the same time than before.

peterix added a commit that referenced this issue Apr 14, 2017


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peterix commented Apr 14, 2017

Should be fixed in develop.

@peterix peterix closed this Apr 14, 2017

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