asp.net应用程序中的超时异常

Question

I cannot figure out why I am getting timeout exception in asp.net application upon signing into application and when I restart my webserver I don't get timeout exception?

Environment:

Asp.net application(IIS webserver) and DB (Sql server) both IIS and Sql server are on two different machines.

Sql server timeout:600 seconds

Webconfig setting:

<httpRuntime maxRequestLength="16384" executionTimeout="270"/>

<sessionState mode="InProc" cookieless="false" timeout="60" stateConnectionString="">

Thanks in advance.

Screenshot of error :

Answer 1

Try to add connection timeout in connection string as "Data Source=SQLSERVER;Initial Catalog=MYCATALOG;Integrated Security=True;Connection Timeout=1000".if again "The wait operation timed out" then it is likely you have a database call that took longer than expected. This could be due to any number of things:

• Transient network problem
• High SQL server load
• Problem with SAN, RAID, or storage device
• Deadlock or other form of multiprocess contention

You haven't shared enough information to troubleshoot. The way I would manage this would be to check for other occurrences of the problem and see if there is a pattern, eg if the problem occurs at a certain time of day.

Certainly increasing the timeout is not a bad idea (if it is currently set pretty low) and may resolve the problem in and of itself.