handling request: /client/items The operation was canceled. at System.Threading....

2026年10月03日 15:37 12.28 秒 success

错误信息

Error handling request: /client/items The operation was canceled. at System.Threading.CancellationToken.ThrowOperationCanceledException() at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Infrastructure.PipeWriterHelpers.TimingPipeFlusher.TimeFlushAsyncAwait ed(ValueTask`1 pipeFlushTask, MinDataRate minRate, IHttpOutputAborter outputAborter, CancellationToken cancellationToken) at System.IO.Compression.DeflateStream.WriteDeflaterOutputAsync(CancellationToken cancellationToken) at System.IO.Compression.DeflateStream.<WriteAsyncMemory>g__Core|70_0(ReadOnlyMemory`1 buffer, CancellationToken cancellationToken) at System.Text.Json.PooledByteBufferWriter.FlushAsync(CancellationToken cancellationToken) at System.Text.Json.Serialization.Metadata.JsonTypeInfo`1.SerializeAsync(PipeWriter pipeWriter, T rootValue, Int32 flushThreshold, CancellationToken cancellationToken, Object rootValueBoxed) at System.Text.Json.Serialization.Metadata.JsonTypeInfo`1.SerializeAsync(PipeWriter pipeWriter, T rootValue, Int32 flushThreshold, CancellationToken cancellationToken, Object rootValueBoxed) at System.Text.Json.Serialization.Metadata.JsonTypeInfo`1.SerializeAsync(PipeWriter pipeWriter, T rootValue, Int32 flushThreshold, CancellationToken cancellationToken, Object rootValueBoxed) at System.Text.Json.Serialization.Metadata.JsonTypeInfo`1.SerializeAsync(PipeWriter pipeWriter, T rootValue, Int32 flushThreshold, CancellationToken cancellationToken, Object rootValueBoxed) at SPTarkov.Server.Core.Servers.Http.SptHttpListener.SendStreamedJsonAsync(HttpResponse resp, StreamedJsonBody streamed, MongoId sessionID, Boolean uncompressed, CancellationToken cancellationToken) at SPTarkov.Server.Core.Servers.Http.SptHttpListener.SendStreamedJsonAsync(HttpResponse resp, StreamedJsonBody streamed, MongoId sessionID, Boolean uncompressed, CancellationToken cancellationToken) at SPTarkov.Server.Core.Servers.Http.SptHttpListener.SendResponseAsync(MongoId sessionID, HttpRequest req, HttpResponse resp, Object body, Object output, CancellationToken cancellationToken) at SPTarkov.Server.Core.Servers.Http.SptHttpListener.HandleAsync(MongoId sessionId, HttpContext context, CancellationToken cancellationToken) at SPTarkov.Server.Core.Servers.HttpServer.HandleRequestAsync(HttpContext context, RequestDelegate next, CancellationToken cancellationToken) at SPTarkov.Server.Program.<>c.<<ConfigureWebApp>b__4_1>d.MoveNext() --- End of stack trace from previous location --- at SPTarkov.Server.Middleware.SptLoggerMiddleware.InvokeAsync(HttpContext context)

AI 解决方案

🔍 报错分析

1. 🌐 错误翻译


原文:Error handling request: /client/items
      The operation was canceled.
译文:处理请求时出错:/client/items
      该操作已被取消

2. 🎯 原因分析


  • 触发点:在/client/items接口的JSON流式序列化过程中,CancellationToken被触发取消

  • 核心问题:在SptHttpListener.SendStreamedJsonAsync方法执行JSON序列化时,客户端或服务端主动取消了操作(可能因超时、连接中断或主动取消请求)
  • 3. 💡 解决方案


    // 在调用SendStreamedJsonAsync前增加取消逻辑判断
    if (cancellationToken.IsCancellationRequested)
    {
        // 提前返回或执行备选逻辑,避免进入序列化流程
        return;
    }
    
    // 或在序列化方法中增加取消响应的处理
    try
    {
        await jsonTypeInfo.SerializeAsync(
            pipeWriter, 
            rootValue, 
            flushThreshold, 
            cancellationToken, 
            rootValueBoxed);
    }
    catch (OperationCanceledException)
    {
        // 捕获取消异常并释放资源
        await pipeWriter.FlushAsync(cancellationToken);
        // 记录日志或返回特定状态码
    }
    

    4. 🛡️ 预防措施


  • 使用 ✔️ 超时控制:为HTTP请求设置合理的超时时间,避免长时间等待导致意外取消

  • 推荐使用 🧰 诊断工具:部署 P分销Middleware 或 Application Insights 监控请求取消频率和原因