ClientProxyBase error #9385

mahuwei created 17 days ago

Maui blazor 项目: program:

public static class MauiProgram {
    public static MauiApp CreateMauiApp() {
        var builder = MauiApp.CreateBuilder();
        builder
            .UseMauiApp<App>()
            .ConfigureFonts(fonts => {
                fonts.AddFont("OpenSans-Regular.ttf", "OpenSansRegular");
            });

        builder.Services.AddMauiBlazorWebView();
        ConfigureConfiguration(builder);

        builder.Services.AddApplication<KkdQueuingServiceMauiModule>(options => {
            options.Services.ReplaceConfiguration(builder.Configuration);
            options.UseAutofac();
        });

#if DEBUG
        builder.Services.AddBlazorWebViewDeveloperTools();
        builder.Logging.AddDebug();
#endif
        var app = builder.Build();
        var abpApplication = app.Services.GetRequiredService<IAbpApplicationWithExternalServiceProvider>();
        abpApplication.Initialize(app.Services);
        return app;
    }

    private static void ConfigureConfiguration(MauiAppBuilder builder) {
        var assembly = typeof(App).GetTypeInfo().Assembly;
        builder.Configuration.AddJsonFile(new EmbeddedFileProvider(assembly), "appsettings.json", false, false);
        builder.Configuration.AddJsonFile(new EmbeddedFileProvider(assembly), "appsettings.secrets.json", true, false);
    }
}

module:

[DependsOn(typeof(AbpAutofacModule),
    typeof(AbpAutoMapperModule),
    typeof(AbpAspNetCoreMvcClientCommonModule),
    typeof(AbpAspNetCoreComponentsWebModule),
    typeof(AbpIdentityProDomainSharedModule),
    typeof(AbpIdentityHttpApiClientModule),
    typeof(QueuingServiceHttpApiClientModule),
    typeof(AbpHttpClientIdentityModelModule))]
public class KkdQueuingServiceMauiModule : AbpModule {
    public override void ConfigureServices(ServiceConfigurationContext context) {
        context.Services.AddBlazorWebView();

        context.Services.AddTransient<IRemoteServiceHttpClientAuthenticator, KkdRemoteServiceHttpClientAuthenticator>();

        ConfigureAutoMapper();
        base.ConfigureServices(context);
    }

    private void ConfigureAutoMapper() {
        Configure<AbpAutoMapperOptions>(options => {
            options.AddMaps<KkdQueuingServiceMauiModule>();
        });
    }
}

调用：

@page "/counter"
@using Kkd.QueuingService.Commodities
@using Volo.Abp.DependencyInjection
@inject ICommoditiesAppService CommoditiesAppService
@inject IAbpLazyServiceProvider LazyServiceProvider

@code {
    private int _currentCount;

    private void IncrementCount() {
        _currentCount++;
    }

    private async Task GetCommoditiesAsync() {
        try {
            var tenantId = new Guid("3a1a22c2-ccbb-3f27-da9d-6e69edade96b");
            var getCommoditiesInput = new GetCommoditiesInput();
            // 出错代码
            var commodities = await CommoditiesAppService.GetListByTenantAsync(tenantId, getCommoditiesInput);
            Console.WriteLine($"Commodities count: {commodities.Count}");
        }
        catch (Exception ex) {
            Console.WriteLine($"Error fetching commodities: {ex.Message}");
        }
    }

}

Exception message and full stack trace:
System.NullReferenceException HResult=0x80004003 Message=Object reference not set to an instance of an object. Source=Volo.Abp.Http.Client StackTrace: 在 Volo.Abp.Http.Client.ClientProxying.ClientProxyBase`1.get_ClientOptions() 在 Volo.Abp.Http.Client.ClientProxying\ClientProxyBase.cs 中: 第 44 行

Steps to reproduce the issue:

EngincanV created 16 days ago

Support Team .NET Developer

Hi, can you please check if your problem is the same as in this issue (https://github.com/abpframework/abp/issues/10929)?

mahuwei created 16 days ago

对。

DependsOn(typeof(AbpAutofacModule),
    typeof(AbpAutoMapperModule),
    typeof(AbpAspNetCoreMvcClientCommonModule),
    typeof(AbpAspNetCoreComponentsWebModule),
    typeof(AbpIdentityProDomainSharedModule),
    typeof(AbpIdentityHttpApiClientModule),
    typeof(QueuingServiceHttpApiClientModule),
    typeof(AbpHttpClientIdentityModelModule))]
public class KkdQueuingServiceMauiModule : AbpModule {

如下图，手工注入可以获取到啊。

mahuwei created 16 days ago

或者自定义的一个类，替换了 ClientProxyBase ？如何实现？

maliming created 16 days ago

Support Team Fullstack Developer

你好

Volo.Abp.Http.Client.ClientProxying.ClientProxyBase 中哪个对象是 null?

如何复现呢？

mahuwei created 15 days ago

abp new Kkd.App -u blazor-webapp -pwa -sm --separate-tenant-schema -dbms MySQL --no-tests -nkc -nsl -no-gdpr --version 8.3.4
手工添加一个Maui Hybrid blazor 客户端
调用后台服务

maliming created 15 days ago

Support Team Fullstack Developer

手工添加一个Maui Hybrid blazor 客户端

你能分享一个项目吗？我不太确定你的步骤。

liming.ma@volosoft.com

Thanks.

mahuwei created 15 days ago

已发。

maliming created 15 days ago

Support Team Fullstack Developer

请使用https://wetransfer.com/ 分享项目

maliming created 15 days ago

Support Team Fullstack Developer

Update MauiProgram to add .ConfigureContainer(new AbpAutofacServiceProviderFactory(new Autofac.ContainerBuilder())); will fix the NullReferenceException

namespace Kkd.QueuingService.Maui;

public static class MauiProgram {
    public static MauiApp CreateMauiApp() {
        var builder = MauiApp.CreateBuilder();
        builder
            .UseMauiApp<App>()
            .ConfigureFonts(fonts => {
                fonts.AddFont("OpenSans-Regular.ttf", "OpenSansRegular");
            })
            .ConfigureContainer(new AbpAutofacServiceProviderFactory(new Autofac.ContainerBuilder()));