Can't Send large files through http multipart flutter web

[aliaafreen]

When I am uploading a video of 500mb to the server, then it gives me error - RangeError: Array buffer allocation failed C:/b/s/w/ir/cache/builder/src/out/host_debug/dart-sdk/lib/_internal/js_dev_runtime/private/native_typed_data.dart 1069:7 _create1 C:/b/s/w/ir/cache/builder/src/out/host_debug/dart-sdk/lib/_internal/js_dev_runtime/private/native_typed_data.dart 1039:42 new C:/b/s/w/ir/cache/builder/src/out/host_debug/dart-sdk/lib/convert/byte_conversion.dart 86:19 add C:/b/s/w/ir/cache/builder/src/out/host_debug/dart-sdk/lib/async/zone.dart 1586:10 runUnaryGuarded C:/b/s/w/ir/cache/builder/src/out/host_debug/dart-sdk/lib/async/stream_impl.dart 339:11 [_sendData] C:/b/s/w/ir/cache/builder/src/out/host_debug/dart-sdk/lib/async/stream_impl.dart 515:13 perform C:/b/s/w/ir/cache/builder/src/out/host_debug/dart-sdk/lib/async/stream_impl.dart 620:10 handleNext C:/b/s/w/ir/cache/builder/src/out/host_debug/dart-sdk/lib/async/stream_impl.dart 591:7 callback C:/b/s/w/ir/cache/builder/src/out/host_debug/dart-sdk/lib/async/schedule_microtask.dart 40:11 _microtaskLoop C:/b/s/w/ir/cache/builder/src/out/host_debug/dart-sdk/lib/async/schedule_microtask.dart 49:5 _startMicrotaskLoop C:/b/s/w/ir/cache/builder/src/out/host_debug/dart-sdk/lib/_internal/js_dev_runtime/patch/async_patch.dart 166:15

and not uplaoding video on the server.

Is there any solution to upload large videos upto 4 gb to the server from flutter web?

flutter - 3.3.9 http- 0.13.5 file_picker-5.2.2

[AlexV525]

cc @brianquinlan

[brianquinlan]

Hi @aliaafreen,

Unfortunately the web implementation of Client does not support streaming request data.

If you are OK only supporting newer Chromium-based browsers then you could use package:fetch_client, which implements the Client interface.

[AlexV525]

Is it about the streaming? The log says the memory buffer has failed to allocate.

[brianquinlan]

I'm assuming that this issue is being caused because the browser can't allocate enough memory to send the request so streaming the request would fix this.

[devoncarew]

@brianquinlan - should we think about re-implementing the web client in terms of the https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API API? (see also https://github.com/dart-lang/http/issues/595)

[brianquinlan]

@devoncarew I think that package:fetch_client already does this and there is no reason for us to step in.

I could add stream as a feature in the HTTP implementation comparison table.

I didn't do that before because the answer is sometimes nuanced ;-)