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ASP.NET Core-尝试使用运行状况检查时出错

asp.net-core c#

lmcarreiro · 技术社区 · 7 年前

我正在尝试使用.NETCore2.2健康检查。

在里面 ConfigureServices 我注册了实现 Microsoft.Extensions.Diagnostics.HealthChecks.IHealthCheck

但是当我执行 UseHealthChecks 内部的扩展方法 Configure

public void Configure(IApplicationBuilder app)
{
    app.UseHealthChecks("/hc"); // <-- Error in this line
    // ...

System.InvalidOperationException: 试图激活“Microsoft.AspNetCore.Diagnostics.HealthChecks.HealthCheckService”时,无法解析“Microsoft.Extensions.Diagnostics.HealthChecks.HealthCheckService”类型的服务

1 回复 | 直到 7 年前

Henk Mollema 7 年前

您必须通过配置运行状况检查基础结构服务 AddHealthChecks() 扩展方法。例如:

public void ConfigureServices(IServiceCollection services)
{
    services.AddHealthChecks();
}

the documentation .

hpsanampudi Slava Latun 5 年前

在我的例子中,运行状况检查UI本身没有启动和崩溃.net core 3.1 web API应用程序。

错误消息: 有些服务无法构建(验证服务描述符“ServiceType:HealthChecks.UI.Core.Notifications.IHealthCheckFailureNotifier生存期:作用域实现类型:HealthChecks.UI.Core.Notifications.WebHookFailureNotifier”时出错):尝试激活“HealthChecks.UI.Core.Data.HealthChecksDb”时无法解析类型“HealthChecks.UI.Core.Data.HealthChecksDb”的服务。)e、通知。WebHookFailureNotifier')

修理 :添加任何 UI storage provider . 就我而言,我选择了 AddInMemoryStorage()

Startup.cs

    public void ConfigureServices(IServiceCollection services)
    {
        ...
        
        services.AddHealthChecks() 
            .AddDbContextCheck<PollDbContext>() //nuget: Microsoft.Extensions.Diagnostics.HealthChecks.EntityFrameworkCore
            .AddApplicationInsightsPublisher(); //nuget: AspNetCore.HealthChecks.Publisher.ApplicationInsights
    
        services.AddHealthChecksUI() //nuget: AspNetCore.HealthChecks.UI
            .AddInMemoryStorage(); //nuget: AspNetCore.HealthChecks.UI.InMemory.Storage
            
        ...
    }
    
    public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
    {
        ...
        
        app.UseHealthChecks("/healthcheck", new HealthCheckOptions
        {
            Predicate = _ => true,
            ResponseWriter = UIResponseWriter.WriteHealthCheckUIResponse //nuget: AspNetCore.HealthChecks.UI.Client
        });
        
        //nuget: AspNetCore.HealthChecks.UI
        app.UseHealthChecksUI(options =>
        {
            options.UIPath = "/healthchecks-ui";
            options.ApiPath = "/health-ui-api";
        });
        ...
    }

appsettings.json

    "HealthChecks-UI": {
        "DisableMigrations": true,
        "HealthChecks": [
            {
                "Name": "PollManager",
                "Uri": "/healthcheck"
            }
        ],
        "Webhooks": [
            {
                "Name": "",
                "Uri": "",
                "Payload": "",
                "RestoredPayload": ""
            }
        ],
        "EvaluationTimeOnSeconds": 10,
        "MinimumSecondsBetweenFailureNotifications": 60,
        "MaximumExecutionHistoriesPerEndpoint": 15
    }