我想抓住
网络例外
在里面有一定的地位
我是过渡性的
方法,但它从未捕获以下错误:
System.Net.WebException: Unable to read data from the transport connection: Connection timed out. ---> System.IO.IOException: Unable to read data from the transport connection: Connection timed out. ---> System.Net.Sockets.SocketException: Connection timed out
下面是代码:
private bool IsTransient(Exception ex)
{
var webException = ex as WebException;
if (webException != null)
{
return new[]
{
WebExceptionStatus.ConnectionClosed,
WebExceptionStatus.ConnectFailure,
WebExceptionStatus.Timeout,
WebExceptionStatus.RequestCanceled,
WebExceptionStatus.ReceiveFailure
}.Contains(webException.Status);
}
return false;
}
当我通过断开扫描设备上的internet连接来测试它时,它返回true,但在生产环境中,当web服务调用timeout时,它不工作。