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fix rpc exception for real (#38575)

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Jonah Williams 2019-08-15 12:13:12 -07:00 committed by GitHub
parent a40ab895cf
commit 8d6dc620d6
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 12 additions and 5 deletions
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5
packages/flutter_tools/lib/src/resident_runner.dart
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@ -1116,7 +1116,10 @@ class TerminalHandler {
lastReceivedCommand = command;
await _commonTerminalInputHandler(command);
} catch (error, st) {
printError('$error\n$st');
// Don't print stack traces for known error types.
if (error is! ToolExit) {
printError('$error\n$st');
}
await _cleanUp(null);
rethrow;
} finally {

9
packages/flutter_tools/lib/src/run_hot.dart
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@ -8,6 +8,7 @@ import 'package:json_rpc_2/error_code.dart' as rpc_error_code;
import 'package:json_rpc_2/json_rpc_2.dart' as rpc;
import 'package:meta/meta.dart';
import 'base/async_guard.dart';
import 'base/common.dart';
import 'base/context.dart';
import 'base/file_system.dart';
@ -576,10 +577,14 @@ class HotRunner extends ResidentRunner {
if (!(await hotRunnerConfig.setupHotRestart())) {
return OperationResult(1, 'setupHotRestart failed');
}
result = await _restartFromSources(
// The current implementation of the vmservice and JSON rpc may throw
// unhandled exceptions into the zone that cannot be caught with a regular
// try catch. The usage is [asyncGuard] is required to normalize the error
// handling, at least until we can refactor the underlying code.
result = await asyncGuard(() => _restartFromSources(
reason: reason,
benchmarkMode: benchmarkMode,
);
));
if (!result.isOk) {
restartEvent = 'restart-failed';
}

3
packages/flutter_tools/lib/src/vmservice.dart
View File

@ -13,7 +13,6 @@ import 'package:stream_channel/stream_channel.dart';
import 'package:web_socket_channel/io.dart';
import 'package:web_socket_channel/web_socket_channel.dart';
import 'base/async_guard.dart';
import 'base/common.dart';
import 'base/context.dart';
import 'base/file_system.dart';
@ -359,7 +358,7 @@ class VMService {
Future<void> _streamListen(String streamId) async {
if (!_listeningFor.contains(streamId)) {
_listeningFor.add(streamId);
await asyncGuard(() => _sendRequest('streamListen', <String, dynamic>{'streamId': streamId}));
await _sendRequest('streamListen', <String, dynamic>{'streamId': streamId});
}
}