OutOfMemoryException: 引发类型为“System.OutOfMemoryException”的异常。 StackTrace: 在 System.Net.ConnectStream.HandleWriteHeadersException(Exception e, WebExceptionStatus error) 在 System.Net.ConnectStream.WriteHeadersCallback(IAsyncResult ar) 在 System.Net.LazyAsyncResult.Complete(IntPtr userToken) 在 System.Net.LazyAsyncResult.ProtectedInvokeCallback(Object result, IntPtr userToken) 在 System.Net.TlsStream.ResumeIOWorker(Object result) 在 System.Net.TlsStream.WakeupPendingIO(IAsyncResult ar) 在 System.Net.LazyAsyncResult.Complete(IntPtr userToken) 在 System.Net.LazyAsyncResult.ProtectedInvokeCallback(Object result, IntPtr userToken) 在 System.Net.Security.SslState.FinishHandshake(Exception e, AsyncProtocolRequest asyncRequest) 在 System.Net.Security.SslState.ReadFrameCallback(AsyncProtocolRequest asyncRequest) 在 System.Net.AsyncProtocolRequest.CompleteRequest(Int32 result) 在 System.Net.FixedSizeReader.CheckCompletionBeforeNextRead(Int32 bytes) 在 System.Net.FixedSizeReader.ReadCallback(IAsyncResult transportResult) 在 System.Net.LazyAsyncResult.Complete(IntPtr userToken) 在 System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) 在 System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) 在 System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) 在 System.Net.ContextAwareResult.Complete(IntPtr userToken) 在 System.Net.LazyAsyncResult.ProtectedInvokeCallback(Object result, IntPtr userToken) 在 System.Net.Sockets.BaseOverlappedAsyncResult.CompletionPortCallback(UInt32 errorCode, UInt32 numBytes, NativeOverlapped* nativeOverlapped) 在 System.Threading._IOCompletionCallback.PerformIOCompletionCallback(UInt32 errorCode, UInt32 numBytes, NativeOverlapped* pOVERLAP)