Error Messages Not Displayed Properly in Flutter Web (Issue Present in Both 3.10.6 and 3.22.2) about flutter HOT 9 OPEN

I recently updated to 3.22.2, since then i stopped getting details of any error. Just shows 'Error'.

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@KaushikGupta007
What's the expected console log or behavior are you looking for in web ? The way currently web shows the exception seems to be in sync with android, for example:

[_triggerError]
packages/flutter/src/material/ink_well.dart 1171:21                               handleTap
packages/flutter/src/gestures/recognizer.dart 344:24                              invokeCallback
packages/flutter/src/gestures/tap.dart 652:11                                     handleTapUp
packages/flutter/src/gestures/tap.dart 309:5                                      [_checkUp]
packages/flutter/src/gestures/tap.dart 242:7                                      handlePrimaryPointer
packages/flutter/src/gestures/recognizer.dart 696:9                               handleEvent
packages/flutter/src/gestures/pointer_router.dart 98:7                            [_dispatch]
packages/flutter/src/gestures/pointer_router.dart 143:9                           <fn>
dart-sdk/lib/_internal/js_dev_runtime/private/linked_hash_map.dart 21:7           forEach
packages/flutter/src/gestures/pointer_router.dart 141:17                          [_dispatchEventToRoutes]

The class names are same as thrown in android if you look closely.

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Facing similar issue

I recently updated to 3.22.2, since then i stopped getting details of any error. Just shows 'Error'.

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I get below in latest stable version:

══╡ EXCEPTION CAUGHT BY GESTURE ╞═══════════════════════════════════════════════════════════════════
The following TypeErrorImpl was thrown while handling a gesture:
Unexpected null value.

When the exception was thrown, this was the stack:
dart-sdk/lib/_internal/js_dev_runtime/private/ddc_runtime/errors.dart 296:3       throw_
dart-sdk/lib/_internal/js_dev_runtime/private/ddc_runtime/operations.dart 586:18  nullCheck

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I recently updated to 3.22.2, since then i stopped getting details of any error. Just shows 'Error'.

Yes, I got the same . Sadly, that's what we get for upgrading. As a Flutter rule of thumb, there is a new instability for every new stable released.

Tried also 3.16.9 and 3.19.3.

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I recently updated to 3.22.2, since then i stopped getting details of any error. Just shows 'Error'.

Yes, I got the same . Sadly, that's what we get for upgrading. As a Flutter rule of thumb, there is a new instability for every new stable released.

Tried also 3.16.9 and 3.19.3.

It still shows Error in console while running on web but displays proper messages while running on Android

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I get below running on latest stable (3.22.3) and on master:

══╡ EXCEPTION CAUGHT BY GESTURE ╞═══════════════════════════════════════════════════════════════════
The following TypeErrorImpl was thrown while handling a gesture:
Unexpected null value.

When the exception was thrown, this was the stack:

Not the only term Error, so I guess the exception we are seeing now as above is expected ?

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The errors are different because of the way Flutter handles exceptions and stack traces across different platforms (Android and Web). The underlying issue, however, is the same: a null check operator (!) is being used on a null value.

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Thanks for the update. Based on the report, behavior, I'll keep the issue open for team's attention / tracking.

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