Build apk has problem: Could not GET 'https://google.bintray.com/exoplayer/net/minidev/json-smart/maven-metadata.xml'. Received status code 502 from server: Bad Gateway

[phongdh-lftv]

Run: flutter doctor -v

flutter doctor -v
[✓] Flutter (Channel flutter-1.22-candidate.0, 1.21.0-10.0.pre.145, on macOS 11.6 20G165, locale en-VN)
    • Flutter version 1.21.0-10.0.pre.145 at /Users/account/development/flutter
    • Framework revision 3c9f68bc7e (1 year, 4 months ago), 2020-08-18 16:28:45 -0700
    • Engine revision b58f70f2c8
    • Dart version 2.10.0 (build 2.10.0-38.0.dev)

 
[✓] Android toolchain - develop for Android devices (Android SDK version 32.0.0-rc1)
    • Android SDK at /Users/account/Library/Android/sdk
    • Platform android-31, build-tools 32.0.0-rc1
    • Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java
    • Java version OpenJDK Runtime Environment (build 11.0.8+10-b944.6916264)
    • All Android licenses accepted.

 
[✓] Xcode - develop for iOS and macOS (Xcode 12.5)
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • Xcode 12.5, Build version 12E262
    • CocoaPods version 1.10.1

[!] Android Studio (version 4.2)
    • Android Studio at /Applications/Android Studio.app/Contents
    ✗ Flutter plugin not installed; this adds Flutter specific functionality.
    ✗ Dart plugin not installed; this adds Dart specific functionality.
    • Java version OpenJDK Runtime Environment (build 11.0.8+10-b944.6916264)

[✓] VS Code (version 1.63.0)
    • VS Code at /Applications/Visual Studio Code.app/Contents
    • Flutter extension version 3.29.0

[!] Connected device
    ! No devices available

! Doctor found issues in 2 categories.

Steps:

1. Just new one project
2. Add depend on it pubspec.yaml

dependencies:
  flutter:
    sdk: flutter
  flutter_localizations:
    sdk: flutter


  # The following adds the Cupertino Icons font to your application.
  # Use with the CupertinoIcons class for iOS style icons.
  http: 0.12.2
  stripe_payment: ^1.0.9 # <~~ added
  image_picker: ^0.6.7+14 # <~~ added
  
dev_dependencies:
  flutter_test:
    sdk: flutter

3. Run flutter build apk

Issue:

FAILURE: Build failed with an exception.                                
                                                                        
* What went wrong:                                                      
Could not determine the dependencies of task ':app:processReleaseResources'.
> Could not resolve all task dependencies for configuration ':app:releaseRuntimeClasspath'.
   > Could not resolve net.minidev:json-smart:[1.3.1,2.3].              
     Required by:                                                       
         project :app > project :stripe_payment > com.stripe:stripe-android:10.4.6 > com.stripe:stripe-3ds2-android:1.2.2 > com.nimbusds:nimbus-jose-jwt:7.8
      > Failed to list versions for net.minidev:json-smart.             
         > Unable to load Maven meta-data from https://google.bintray.com/exoplayer/net/minidev/json-smart/maven-metadata.xml.
            > Could not get resource 'https://google.bintray.com/exoplayer/net/minidev/json-smart/maven-metadata.xml'.
               > Could not GET 'https://google.bintray.com/exoplayer/net/minidev/json-smart/maven-metadata.xml'. Received status code 502 from server: Bad Gateway
                                                                        
* Try:                                                                  
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
                                                                        
* Get more help at https://help.gradle.org                              
                                                                        
BUILD FAILED in 7s

Note:
If not using stripe_payment or image_picker then build completed successfully

[annkitpanwar]

I tried the solution from StackOverFlow and it worked for me.
Try once
Flutter, Android Unable to load Maven meta-data from ~ Build error solution