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Logs are lost upon hitting enter when running iex -S mix

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trisolaran

trisolaran

Logs are lost upon hitting enter when running iex -S mix

Hi,

I recently upgraded to Elixir 1.15.5 and I’m observing annoying behavior: when I start my application with iex -S mix logs output by the application disappear when I hit enter in the console.

Here’s a video showing the issue:

My system:
Elixir: 1.15.5
Erlang: 26.0
OS: MacOS 13.5.2
Shell: zsh 5.9

P.S: I tried with another mix application and I get the same behavior.

Perhaps someone knows what’s going on here, or has some tips.

Thanks!

7 comments
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Marked As Solved

trisolaran

trisolaran

If anyone experiences the same issue: the problem disappears if you use Elixir 1.15.5 with Erlang 26.0.2 instead of 26.

I’m quite baffled, and I quickly searched the Erlang/OTP changelog for a possible explanation, but didn’t find any.

1
Post #6

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garazdawi

garazdawi

Erlang Core Team

I think it is the same bug as described in ticket OTP-18652 aka PR-7242.

2
Post #7
trisolaran

trisolaran

Sure, it must be related to the terminal. But the issue is not there when I switch to Elixir 1.14.

I wonder what changed between 1.14 and 1.15 that could cause something like this? I’ll investigate a bit more when I find some time.

1
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