eframe: "App quit unexpectedly" on macOS #2768
Comments
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Thanks for the minimal reproduce! We should be able to get a callstack by installing a signal handler (similar to https://github.com/rerun-io/rerun/blob/main/crates/rerun/src/crash_handler.rs) |
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Thanks for making this issue. I have something similar. |
The approach of emilk#1889 may remove the observer of a view twice, which produces the Obj-C Exception: Cannot remove an observer <...> for the key path "nextResponder" from <WinitView ...> because it is not registered as an observer. The above message can only be seen when attaching the application to debugger. Users normally see: [1] *** trace trap cargo run This commit fixes it by only running event_loop twice on Windows. Besides: * We have set ControlFlow::Exit on 'Event::LoopDestoryed', 'EventResult::Exit' and on error; therefore, it is safe to not calling `set_exit()`. * This commit also fix the persistence function in macOS. It can't store the content in Memory due to this exception. Fixed: emilk#2768 (eframe: "App quit unexpectedly" on macOS) Signed-off-by: pan93412 <pan93412@gmail.com>
The approach of emilk#1889 may remove observers in a view twice, which produces the Obj-C Exception: Cannot remove an observer <...> for the key path "nextResponder" from <WinitView ...> because it is not registered as an observer. The above message can only be seen when attaching the application to debugger. Users normally see: [1] *** trace trap cargo run This commit fixes it by only running `event_loop.run_return()` twice on Windows. Besides: * We have set `ControlFlow::Exit` on `Event::LoopDestroyed`, `EventResult::Exit` and on error; therefore, it is safe to not calling `set_exit()`. * This commit also fix the persistence function in macOS. It can't store the content in Memory due to this exception. Fixed: emilk#2768 (eframe: "App quit unexpectedly" on macOS) Signed-off-by: pan93412 <pan93412@gmail.com>
The approach of #1889 may remove observers in a view twice, which produces the Obj-C Exception: Cannot remove an observer <...> for the key path "nextResponder" from <WinitView ...> because it is not registered as an observer. The above message can only be seen when attaching the application to debugger. Users normally see: [1] *** trace trap cargo run This commit fixes it by only running `event_loop.run_return()` twice on Windows. Besides: * We have set `ControlFlow::Exit` on `Event::LoopDestroyed`, `EventResult::Exit` and on error; therefore, it is safe to not calling `set_exit()`. * This commit also fix the persistence function in macOS. It can't store the content in Memory due to this exception. Fixed: #2768 (eframe: "App quit unexpectedly" on macOS) Signed-off-by: pan93412 <pan93412@gmail.com>
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This problem still exists... show log
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Sorry, I just switched to the master branch, it should have been fixed. |
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Hello, I'm having this problem with egui/eframe version 0.22.0 on a Macos 12.5.1, The exception triggered is similar to the first screenshot ( Any insight on this ? Thanks forward |
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@oletf do you get the problem on the |
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my Cargo.toml only has I'm also using tokio for other things, but I made sure that the eframe thing is being run from the main thread as I saw it could cause problems if it wasn't the case. (not sure if it could be part of the problem but more context is always better) Thanks a lot for the quick reply ! |
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[patch.crates-io]
eframe = { git = "https://github.com/emilk/egui", branch = "master" }I suspect the problem is fixed on |
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thanks a lot, gonna try this within the week, |
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Hi again, I just tested with thanks a lot for this crate |
Describe the bug
Sometimes when I close my eframe app on macOS, I receive a crash notification from macOS saying that the "app quit unexpectedly".
To Reproduce
I have created a minimal reproducible example here:
https://github.com/bash/egui-issue-2768/blob/main/src/main.rs
I'm using the latest version of eframe from the master branch.
It can be a bit finicky to observe the crash message.
Sometimes it happens a few times in a row, then it doesn't.
Some observations:
persistencecrate feature is enabled andpersist_native_windowreturns true.run_and_returnis disabled in theNativeOptions.Expected behavior
No crash notification.
Screenshots
Desktop:
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