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cfug / dio

A powerful HTTP client for Dart and Flutter, which supports global settings, Interceptors, FormData, aborting and canceling a request, files uploading and downloading, requests timeout, custom adapters, etc.

Home Page:https://dio.pub

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when using "handler.reject(error);" in onError of interceptors, I cannot DioException in .catchError(), but find it in .then().

deidei1231 opened this issue · comments

commented

Package

dio

Version

5.5.0+1

Operating-System

Android, Web

Adapter

Default Dio

Output of flutter doctor -v

[√] Flutter (Channel stable, 3.22.2, on Microsoft Windows [版本 10.0.22631.3880], locale zh-CN)
    • Flutter version 3.22.2 on channel stable at D:\flutter
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision 761747bfc5 (7 weeks ago), 2024-06-05 22:15:13 +0200
    • Engine revision edd8546116
    • Dart version 3.4.3
    • DevTools version 2.34.3

[√] Windows Version (Installed version of Windows is version 10 or higher)

[!] Android toolchain - develop for Android devices (Android SDK version 35.0.0)
    • Android SDK at C:\Users\14732\AppData\Local\Android\sdk
    X cmdline-tools component is missing
      Run `path/to/sdkmanager --install "cmdline-tools;latest"`
      See https://developer.android.com/studio/command-line for more details.
    X Android license status unknown.
      Run `flutter doctor --android-licenses` to accept the SDK licenses.
      See https://flutter.dev/docs/get-started/install/windows#android-setup for more details.

[X] Chrome - develop for the web (Cannot find Chrome executable at .\Google\Chrome\Application\chrome.exe)
    ! Cannot find Chrome. Try setting CHROME_EXECUTABLE to a Chrome executable.

[X] Visual Studio - develop Windows apps
    X Visual Studio not installed; this is necessary to develop Windows apps.
      Download at https://visualstudio.microsoft.com/downloads/.
      Please install the "Desktop development with C++" workload, including all of its default components

[√] Android Studio (version 2024.1)
    • Android Studio at C:\Program Files\Android\Android Studio
    • Flutter plugin can be installed from:
       https://plugins.jetbrains.com/plugin/9212-flutter
    • Dart plugin can be installed from:
       https://plugins.jetbrains.com/plugin/6351-dart
    • Java version OpenJDK Runtime Environment (build 17.0.10+0--11609105)

[√] Connected device (3 available)
    • XIAOMI(mobile)    • 192.168.1.209:8888 • android-arm64  • Android 12 (API 32)
    • Windows (desktop) • windows            • windows-x64    • Microsoft Windows [版本 10.0.22631.3880]
    • Edge (web)        • edge               • web-javascript • Microsoft Edge 126.0.2592.113

Dart Version

No response

Steps to Reproduce

// in dio_request.dart
_dio.interceptors.add(
InterceptorsWrapper(
onRequest: (RequestOptions options, RequestInterceptorHandler handler) {
return handler.next(options);
},
onResponse: (Response response, ResponseInterceptorHandler handler) {
print(1111);
return handler.next(response);
},
onError: (DioException error, ErrorInterceptorHandler handler) {
print(2222);
return handler.reject(error);
},
),
);

// in login.dart
await Request().request("/login", method: DioMethod.post, data: {
"account": data['username'],
"password": data['password'],
}).then((res){
print(3333);
print(response is DioException); // the actual result is ture
}).catchError((e){
print(4444);
print(e);
});

Expected Result

when I write "return handler.reject(error);" in onError of interceptors, I can find the DioException in ".catchError()",
When the error.response,statuscode returned by the server is 400, the print execution order: 2222 4444

Actual Result

when I write "return handler.reject(error);" in onError of interceptors, I can find the DioException in ".then()".
The print execution order: 2222 1111

commented

Please provide a minimal reproducible example.

commented