Re: WebService method timing out after exactly 3:00 hours

Ummmm....to ask the obvious question, why do you have a webservice that runs
over 3 hours?

Thanks,

Shawn Wildermuth
http://adoguy.com
http://wildermuthconsulting.com
Microsoft MVP (C#), MCSD.NET, Author and Speaker


-----Original Message-----
From: Discussion of building .NET applications targeted for the Web
[mailto:[email protected]] On Behalf Of Ainsley, Robert, ISD
Sent: Wednesday, May 16, 2007 5:07 PM
To: [email protected]
Subject: [DOTNET-WEB] WebService method timing out after exactly 3:00 hours

I've got a console application that invokes a synchronous webservice
method multiple times. Whenever the method takes more than 3 hours to
execute, the console application dies with the following error:

The request failed with the error message:
--
Request timed out.
Server Error in '/SPAExecuteEngine' Application.
Request timed out.

Description:
An unhandled exception occurred during the execution of the current web
request. Please review the
 stack trace for more information about the error and where it
originated in the code.

Exception Details:
System.Web.HttpException: Request timed out.

Source Error:
An unhandled exception was generated during the execution of the current
web request. Information regarding the origin and location
 of the exception can be identified using the exception stack trace
below.

Stack Trace:

HttpException (0x80004005): Request timed out.

Version Information:
Microsoft .NET Framework Version:2.0.50727.42; ASP.NET
Version:2.0.50727.42

[HttpException]: Request timed out.
   at SecuritizationUpdate.MainModule.Main() in
C:SecuritizationUpdate\MainModule.vb:line 74

=======================================================


The error log entry for the web service is:

Event Type:     Error
Event Source:   XXX
Event Category: None
Event ID:       0
Date:           5/16/2007
Time:           2:37:01 PM
User:           N/A
Computer:       XXX
Description:

General Information
*********************************************
Additional Info:
ExceptionManager.MachineName: XXX
ExceptionManager.TimeStamp: 5/16/2007 2:37:01 PM
ExceptionManager.FullName:
Microsoft.ApplicationBlocks.ExceptionManagement, Version=1.0.1522.17033,
Culture=neutral, PublicKeyToken=null
ExceptionManager.AppDomainName:
/LM/W3SVC/10/Root/SPAExecuteEngine-1-128237812591142484
ExceptionManager.ThreadIdentity: NT AUTHORITY\NETWORK SERVICE
ExceptionManager.WindowsIdentity: XXX

1) Exception Information
*********************************************
Exception Type: System.Exception
Message: Error Executing Securitization Id 24.
Data: System.Collections.ListDictionaryInternal
TargetSite: NULL
HelpLink: NULL
Source: NULL

2) Exception Information
*********************************************
Exception Type: System.Threading.ThreadAbortException
ExceptionState: System.Web.HttpApplication+CancelModuleException
Message: Thread was being aborted.
Data: System.Collections.ListDictionaryInternal
TargetSite: Void Update(System.Data.SqlClient.SqlTransaction)
HelpLink: NULL
Source: XXX

StackTrace Information
*********************************************
<Deleted for security.>


==================================================================

The webservice .Timeout parameter in the console application is set to
36,000,000 milliseconds, which should be 10 hours.

In the webservice web.config, httpRuntime executionTimeout="10800", is
three hours. Thinking that might be it, I set it to 1 second and ran
iisreset. I invoked the method with data that should take 20 seconds to
run. It ran to completion without any error in approximately 20 seconds.

I also invoked the method asynchronously with .BeginMethod and
Nothing/null for the callback parameters. The webservice method died at
exactly 3 hours with the same ThreadAbortException as above.

Is httpRuntime executionTimeout="10800" really the source of my problem
and I messed up trying to change the setting?

Is there some other setting I'm missing that I need to change?

Is there a 3 hour limit hard-coded somewhere that I can't change?

Thanks!



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