Fixes https://github.com/flutter/flutter/issues/156793 ### Issue Link: https://github.com/flutter/flutter/issues/156793 ### Changelog Description: Fix flaky crash when targeting web applications via IDEs using the DAP. ### Impact Description: The `flutter debug-adapter` process started by IDEs can crash when requesting isolate information from a Flutter web application that has disposed its isolate (i.e., at shutdown or due to a hot restart). This is the top crasher for `flutter_tools`, accounting for ~66% of all crashes for 3.32.0. ### Workaround: Is there a workaround for this issue? No. ### Risk: This CP is low risk as only additional exception handling was added to the DAP logic in `package:dds` (see https://dart-review.googlesource.com/c/sdk/+/431060) to handle the specific case outlined in the issue. ### Test Coverage: This issue is difficult to reproduce without injecting test-only code via custom VM service RPCs across multiple repositories. Testing was done manually with this approach, but the testing code is not committed. ### Validation Steps: IDE extensions don't crash when interacting with Flutter Web applications during hot restart / application shutdown.
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@ -29,6 +29,10 @@ INTERNAL NOTE
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## Flutter 3.32 Changes
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### [3.32.1](https://github.com/flutter/flutter/releases/tag/3.32.1)
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- [flutter/156793](https://github.com/flutter/flutter/issues/156793) - Fix flaky crash when targeting web applications via IDEs using the DAP.
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### [3.32.0](https://github.com/flutter/flutter/releases/tag/3.32.0)
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Initial stable release.
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@ -12,7 +12,7 @@ dependencies:
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# https://github.com/flutter/flutter/blob/main/docs/infra/Updating-dependencies-in-Flutter.md
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archive: 3.6.1
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args: 2.7.0
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dds: 5.0.0
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dds: 5.0.2
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dwds: 24.3.10
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code_builder: 4.10.1
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completion: 1.0.1
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@ -78,7 +78,7 @@ dependencies:
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csslib: 1.0.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
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dap: 1.4.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
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dds_service_extensions: 2.0.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
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devtools_shared: 11.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
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devtools_shared: 11.2.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
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dtd: 2.5.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
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extension_discovery: 2.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
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fixnum: 1.1.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
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@ -122,4 +122,4 @@ dartdoc:
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# Exclude this package from the hosted API docs.
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nodoc: true
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# PUBSPEC CHECKSUM: c093
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# PUBSPEC CHECKSUM: 7396
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@ -272,16 +272,18 @@ The relevant error-causing widget was:
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);
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});
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testWithoutContext('correctly outputs colored exceptions when supported', () async {
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final BasicProjectThatThrows project = BasicProjectThatThrows();
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final String output = await getExceptionOutput(project, noDebug: false, ansiColors: true);
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testWithoutContext(
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'correctly outputs colored exceptions when supported',
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() async {
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final BasicProjectThatThrows project = BasicProjectThatThrows();
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final String output = await getExceptionOutput(project, noDebug: false, ansiColors: true);
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// Frames in the stack trace that are the users own code will be unformatted, but
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// frames from the framework are faint (starting with `\x1B[2m`).
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// Frames in the stack trace that are the users own code will be unformatted, but
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// frames from the framework are faint (starting with `\x1B[2m`).
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expect(
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output,
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contains('''
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expect(
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output,
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contains('''
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════════ Exception caught by widgets library ═══════════════════════════════════
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The following _Exception was thrown building App(dirty):
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Exception: c
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@ -298,8 +300,10 @@ When the exception was thrown, this was the stack:
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^ source: package:flutter/src/widgets/framework.dart
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\x1B[2m#3 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:1:1)\x1B[0m
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^ source: package:flutter/src/widgets/framework.dart'''),
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);
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});
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);
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},
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skip: true, // DAP URI parsing bug, https://github.com/dart-lang/sdk/issues/60797
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);
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testWithoutContext('correctly outputs exceptions in noDebug mode', () async {
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final BasicProjectThatThrows project = BasicProjectThatThrows();
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