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[flutter_tools] Fix missing stack trace from daemon (#144113)
When the daemon throws an exception, the receiving client is unable to surface stack traces from the daemon. This is because it is sent with the `trace` key here:1e8dd1e4d6/packages/flutter_tools/lib/src/daemon.dart (L308)
But the client tries to read it with the `stackTrace` key here:1e8dd1e4d6/packages/flutter_tools/lib/src/daemon.dart (L343)
Thanks to @mraleph for spotting this! *List which issues are fixed by this PR. You must list at least one issue. An issue is not required if the PR fixes something trivial like a typo.* b/326825892
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@ -340,7 +340,7 @@ class DaemonConnection {
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// This is an error response.
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_logger.printTrace('<- Error response received from daemon, id = $id');
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final Object error = data['error']!;
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final String stackTrace = data['stackTrace'] as String? ?? '';
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final String stackTrace = data['trace'] as String? ?? '';
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_outgoingRequestCompleters.remove(id)?.completeError(error, StackTrace.fromString(stackTrace));
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} else {
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_logger.printTrace('<- Response received from daemon, id = $id');
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@ -173,7 +173,18 @@ void main() {
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final String id = message.data['id']! as String;
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daemonStreams.inputs.add(DaemonMessage(<String, dynamic>{'id': id, 'error': 'some_error', 'trace': 'stack trace'}));
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expect(requestFuture, throwsA('some_error'));
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Object? gotError;
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StackTrace? gotStackTrace;
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try {
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await requestFuture;
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} on Object catch (error, stackTrace) {
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gotError = error;
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gotStackTrace = stackTrace;
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}
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expect(gotError, 'some_error');
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expect(gotStackTrace.toString(), 'stack trace');
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});
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});
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