RE: User name and password dialog refresh after 3 mins
- From: stcheng@xxxxxxxxxxxxxxxxxxxx (Steven Cheng[MSFT])
- Date: Wed, 12 Oct 2005 03:39:05 GMT
Hi Funky,
Welcome to ASPNET newsgroup.
>From your description, you are encountering some strange IIS authentication
and asp.net webservice calling behavior in your asp.net web application. As
you mentioned that the whole processing include two main steps:
1. Submit the CSV file to server and parsing the file to store data objects
in session.
2. resubmit the page and transfer the data objects to backend db through
webservice.
If there're anything I misunderstand, please feel free to let me know.
As for the
================
repromted for their username
and password.
================
I'd like to confirm some things:
* What's the authentication setting in your asp.net web.config and your
IIS's application virtual directory?
* Have you checked the IIS log to see whether the request records looks
normal for that page?
* Also, for the problem, is it occured only from a specific client and when
the CSV file's size is very large? I'd suggest you try perform the same
test through local machine ( do the same operation from the local IE client
on the IIS server machine) to
see whether the same problem remain.
Thanks,
Steven Cheng
Microsoft Online Support
Get Secure! www.microsoft.com/security
--------------------
| From: "Funky" <rmiller@xxxxxxxxxxxxxxxx>
| Newsgroups: microsoft.public.dotnet.framework.aspnet
| Subject: User name and password dialog refresh after 3 mins
| Date: 11 Oct 2005 02:12:00 -0700
| Organization: http://groups.google.com
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|
| Hi,
|
| I have developed an ASP.NET application which has been running in
| production for around 3 months without any major glitches. Recently, a
| user was attempting to upload a rather large CSV file and ran into a
| strange problem.
|
| After roughly 3 minutes of processing, the application reprompted the
| user for their user name and password (NT authentication). At this
| point, the ASP.NET page re-fired the last event that it was processing.
|
| For a bit of more detailed background on the process:
|
| 1 User chooses a CSV file to upload
| 2 User clicks "Upload" and the page reposts.
| 3 The page saves the CSV file and validates each record
| 4 Upon validating, the records are created as individual objects, and
| added to an ArrayList
| 5 This ArrayList is then stored in Session.
| 6 The user clicks "Proceed with upload".
| 7 The page reposts and submits the records to a backend system via a
| web service.
| 8 At around about 3 minutes, the user is repromted for their username
| and password.
|
| Upon investigation, this event occurs whilst the records are still
| being processed. The remaining records are sent to the web service, but
| then the web service calls begin again from the start, so the records
| are added twice. The system is supposed to redirect the users to
| another page once the upload has finished.
|
| I have tested if it is the AppPool recycling and junking the Session
| data, but it is not since I have set the recycle events to log in the
| event log, but nothing appears.
|
| Some other important info:
|
| - Session timeout is 20 mins.
| - Script timeouts 10 minutes
| - Site uses SSL
| - IIS 6.0 on Win Server 2003
|
| Has anyone encountered this error before or get any tips of what might
| be playing up?
|
| Thanks in advance for any suggestions.
|
| Cheers,
|
| Rowan.
|
|
.
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