问题描述
我有一个使用Microsoft.AspNetCore.SignalR 1.1.0和Microsoft.Azure.SignalR的asp.net core 3.1应用程序
在启动信号中这样设置
services.AddSignalR().AddAzureSignalR("Endpoint=https://xxxxx.service.signalr.net;AccessKey=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx=;Version=1.0;");
...
app.UseAzureSignalR(routes =>
{
routes.MapHub<TransactionHUB>("/updateall");
});
在已安装的角度应用程序中
npm install @ aspnet / signalr
我正在开始这样的连接
public startConnection = () => {
this.hubConnection = new signalR.HubConnectionBuilder()
.withUrl('https://localhost:44391/updateall')
.build();
this.hubConnection
.start()
.then(() => console.log('Connection started'))
.catch(err => console.log('Error while starting connection: ' + err));
}
应用程序加载时出现错误。
更新
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using autowrapper;
using Entities;
using Infrastructure;
using Infrastructure.Contracts;
using Microsoft.AspNet.OData.Builder;
using Microsoft.AspNet.OData.Extensions;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.HttpsPolicy;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using Microsoft.OData;
using Microsoft.OData.Edm;
using Services;
using Services.Contracts;
namespace BBBankApi
{
public class Startup
{
public Startup(IConfiguration configuration)
{
Configuration = configuration;
}
// readonly string MyAllowSpecificOrigins = "_myAllowSpecificOrigins";
public IConfiguration Configuration { get; }
// This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
// services.AddCors(options =>
// {
// options.AddPolicy(MyAllowSpecificOrigins,// //builder =>
// //{
// // builder.WithOrigins("http://localhost:4200");
// //});
// builder => builder.AllowAnyOrigin()
//.AllowAnyMethod()
//.AllowAnyHeader());
// });
services.AddCors(options =>
{
options.AddPolicy("CorsPolicy",builder => builder
.WithOrigins("http://localhost:4200")
.AllowAnyMethod()
.AllowAnyHeader()
.AllowCredentials());
});
//services.Configure<ApiBehaviorOptions>(options =>
//{
// options.SuppressModelStateInvalidFilter = true;
//});// stopping default asp.net core model state validation
services.AddControllers(config =>
{
config.Filters.Add(new ModelValidationCheckFilter());
});
services.AddScoped<ITransactionService,TransactionService>();
services.AddScoped<IUnitOfWork,UnitOfWork>();
services.AddScoped<DbContext,BBBankContext>();
services.AddScoped<ITransactionRepository,TransactionRepository>();
services.AddScoped(typeof(IRepository<>),typeof(sqlServerRepository<>));
services.AddScoped<IAccountService,AccountService>();
var connection = @"Server=(localdb)\mssqllocaldb;Database=xxxxx;Trusted_Connection=True;ConnectRetryCount=0";
services.AddDbContext<BBBankContext>(
b => b.UsesqlServer(connection)
.UseLazyLoadingProxies(false) //Install-Package Microsoft.EntityFrameworkCore.Proxies -Version 3.1.1
//Lazy Loading means that the navigation properties will be loaded automatically as soon as they are called
//if true the odata expand will work on Transactions as well.
);
services.AddOData();
services.AddODataQueryFilter();
services.AddMvc(options =>
{
options.EnableEndpointRouting = false;
}).AddNewtonsoftJson(options => options.SerializerSettings.ReferenceLoopHandling = Newtonsoft.Json.ReferenceLoopHandling.Ignore);
services.AddSignalR().AddAzureSignalR("Endpoint=https://xxxxxx.service.signalr.net;AccessKey=xxxxxxxxxxxx+9xdFN63uV8mPjIakR2ZWoJhmTk=;Version=1.0;");
}
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app,IWebHostEnvironment env)
{
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
app.UseApiResponseAndExceptionWrapper(new autowrapperOptions { ShowStatusCode = true,UseApiProblemDetailsException = true,IsDebug = true,EnableExceptionLogging = true,LogRequestDataOnException = true }); //
// app.UseCustomExceptionMiddleware();
// was using this middleware only for logging. but do we really need it if autowrapper has its own middleware
// that logs using default logging configuration of asp.net core.
app.UseCustomLogginMiddleware();
// app.UseCors(MyAllowSpecificOrigins);
app.UseCors("CorsPolicy");
app.UseMvc(b =>
{
b.MapODataServiceRoute("odata","odata",GetEdmModel());
});
app.UseHttpsRedirection();
app.UseRouting();
app.UseAuthorization();
app.UseEndpoints(endpoints =>
{
endpoints.MapControllers();
});
app.UseAzureSignalR(routes =>
{
routes.MapHub<TransactionHUB>("/updateall");
});
}
private static IEdmModel GetEdmModel()
{
ODataConventionModelBuilder builder = new ODataConventionModelBuilder();
builder.EnableLowerCamelCase();
builder.EntitySet<Account>("Accounts").EntityType.Count().Page(50,3).Expand().Filter().Select().OrderBy();
builder.EntitySet<User>("Users");
builder.EntitySet<Transaction>("Transactions");
return builder.GetEdmModel();
}
}
}
更新2
我也尝试过使用不同版本的Microsoft信号，但是都给了我同样的错误。
服务器端安装的软件包是这个
最近安装了“ *** Common”只是为了检查。不知道是否需要。
更新2 我删除了Azure Signalr，仅在服务器端使用Microsoft.AspNetCore.SignalR 1.1.0，在客户端使用@ microsoft / signalr @ latest。但它是同样的错误。
解决方法
首先，不要使用@aspnet/signalr，因为它已经过时了。正确使用的软件包是@microsoft/signalr。
问题是这一行。
Model: "functional_3"
__________________________________________________________________________________________________
Layer (type) Output Shape Param # Connected to
==================================================================================================
input_token (InputLayer) [(None,300)] 0
__________________________________________________________________________________________________
masked_token (InputLayer) multiple 0 input_token[0][0]
__________________________________________________________________________________________________
tf_distil_bert_model (TFDistilB ((None,300,768),) 66362880 masked_token[1][0]
__________________________________________________________________________________________________
tf_op_layer_strided_slice (Tens multiple 0 tf_distil_bert_model[1][0]
__________________________________________________________________________________________________
efficientnetb5_input (InputLaye [(None,456,3) 0
__________________________________________________________________________________________________
batch_normalization (BatchNorma (None,768) 3072 tf_op_layer_strided_slice[1][0]
__________________________________________________________________________________________________
efficientnetb5 (Functional) (None,15,2048) 28513527 efficientnetb5_input[0][0]
__________________________________________________________________________________________________
dense (Dense) (None,256) 196864 batch_normalization[1][0]
__________________________________________________________________________________________________
global_average_pooling2d (Globa (None,2048) 0 efficientnetb5[1][0]
__________________________________________________________________________________________________
dense_1 (Dense) (None,140) 35980 dense[1][0]
__________________________________________________________________________________________________
dense_3 (Dense) (None,140) 286860 global_average_pooling2d[1][0]
__________________________________________________________________________________________________
concatenate (Concatenate) (None,280) 0 dense_1[1][0]
dense_3[1][0]
__________________________________________________________________________________________________
dense_4 (Dense) (None,100) 28100 concatenate[0][0]
__________________________________________________________________________________________________
dropout_20 (Dropout) (None,100) 0 dense_4[0][0]
__________________________________________________________________________________________________
dense_5 (Dense) (None,20) 2020 dropout_20[0][0]
==================================================================================================
Total params: 95,429,303
Trainable params: 30,120
Non-trainable params: 95,399,183
i在添加signalR之前包装了响应，而signalR无法正确拾取
这种安排对我有用。
