.NET for Android error JAVA0000

Mensagens de exemplo

MSBUILD : java error JAVA0000: Error in obj/Debug/net7.0-android/lp/59/jl/classes.jar:android/support/v4/app/INotificationSideChannel$Stub.class: [Example.csproj]
MSBUILD : java error JAVA0000: Type android.support.v4.app.INotificationSideChannel$Stub is defined multiple times: obj/Debug/net7.0-android/lp/59/jl/classes.jar:android/support/v4/app/INotificationSideChannel$Stub.class, obj/Debug/net7.0-android/lp/4/jl/bin/classes.jar:android/support/v4/app/INotificationSideChannel$Stub.class [Example.csproj]
MSBUILD : java error JAVA0000: Compilation failed [Example.csproj]
MSBUILD : java error JAVA0000: java.lang.RuntimeException: com.android.tools.r8.CompilationFailedException: Compilation failed to complete, origin: obj/Debug/net7.0-android/lp/59/jl/classes.jar [Example.csproj]
MSBUILD : java error JAVA0000: android/support/v4/app/INotificationSideChannel$Stub.class [Example.csproj]
MSBUILD : java error JAVA0000: 	at com.android.tools.r8.internal.Bj.a(R8_3.3.28_2aaf796388b4e9f6bed752d926eca110512a53a3f09a8d755196089c1cfdf799:98) [Example.csproj]
MSBUILD : java error JAVA0000: 	at com.android.tools.r8.D8.main(R8_3.3.28_2aaf796388b4e9f6bed752d926eca110512a53a3f09a8d755196089c1cfdf799:4) [Example.csproj]

Questão

During a normal .NET for Android build various java tools are run. This message indicates that [java][java] tool which was run raised an error.

Solução

Look at the stack trace included in the error. This should provide some clues into why the error occured.

Considere enviar um bug se você estiver recebendo esse erro em circunstâncias normais.