Disable pause-on-exceptions for (outgoing) isolates during hot restart#93411
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fluttergithubbot merged 4 commits intoflutter:masterfrom Nov 19, 2021
DanTup:fix-hot-restart-pause
Merged
Disable pause-on-exceptions for (outgoing) isolates during hot restart#93411fluttergithubbot merged 4 commits intoflutter:masterfrom DanTup:fix-hot-restart-pause
fluttergithubbot merged 4 commits intoflutter:masterfrom
DanTup:fix-hot-restart-pause
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The remaining test failures seem to be races, where if we terminate the app while startup code is running (which happens here because we hot restart, then immediately terminate and things are coming back), some errors occur because in-flight requests are aborted as the VM Service shuts down. I'll take a look tomorrow - I suspect the fix will be to ignore these types of error ("Service has disappeared") that if we know we're already shutting down. |
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Tests all green now 👍 |
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@christopherfujino not urgent, but in case you missed this :-) |
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Thanks, I did (miss this). |
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Thanks! |
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This is a (proper) fix for Dart-Code/Dart-Code#3448. The issue is that during a hot restart, all existing isolates must exit. There was existing code to resume them, and remove all breakpoints (so they don't get stuck), however they were still able to pause on exceptions if the user had enabled this.
This change removes the pause-on-exception behaviour in addition to the breakpoints. A previous fix for this was implemented in Dart-Code's DAP, but that was VS Code-specific, and VS Code will soon move to the Flutter SDK DAP so it needed either reproducing in the DAP or here (here makes more sense because it's the same issue as breakpoints, and the DAP base classes don't currently expose a way to set this only for specific isolates).
This is safe to do because editors need to set this flag per-isolate anyway, so when these isolates disappear and new ones are created, the editors will already re-send this setting.
Fixes Dart-Code/Dart-Code#3448.
Fixes Dart-Code/Dart-Code#3631.
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