Hi,
I have a aspx page that generates reports with the data it gets from databases.
It used to work quick and fine until recently when a file is generated it gets killed a few seconds after that. It can still be downloaded if fast enough:
A few seconds later...
The interesting thing is that only reports that are approximately larger than 1MB would get destroyed. Small reports would stay there forever until it's downloaded.
At first I thought the server might be out of space/memory to store the created report and asked the server admin to check. I didn't get a reply from him so it's probably caused by something else.
If anyone knows a possible reason for this problem please let me know; I've stucked on this for almost a week =(
Thanks
18 1955 sicarie 4,677
Recognized Expert Moderator Specialist
Well, I'm not sure this is the right forum for the question, but let's try to narrow down the issue before we figure out where you could get the best help - then I can just move the whole thread to the proper forum.
Do you have access to the source code?
When, approximately did the issue start?
Around the time the issue started, did the system change - anything from new programs to something as small as a reboot? Or even a network change?
Are Windows updates enabled, and if so, automatically download and install?
@sicarie
Yes, I have access to the source code through the networks, but don't have the right to get into the server or IIS. It started about a week ago; not sure if there's any changes/reboot made. I assume Windows updates are disabled since the server is not connected to the Internet.
sicarie 4,677
Recognized Expert Moderator Specialist
Have you attempted to run the code on a test box and ensure this report is created properly with the code you have?
@sicarie
The reports have always been fine. It's just recently that reports that are greater than approximately 1MB are getting killed by the server. They can still be downloaded if quick enough. By the way for the same report with the same size that doesn't "always" get deleted.
sicarie 4,677
Recognized Expert Moderator Specialist
Yeah. I'm trying to isolate this issue to where/how the code interacts with the server. If it was successful on a "test" IIS box that you had control over, then I'd say check out the build of the other server it's on.
If it's still not successful, then I'd recommend looking at the update status of the devices.
That's all I can really think of, but I'll ask for some help - see if anyone else can pin this down a bit better.
@sicarie
Unfortunately I don't have administrative access to the server =(. I've been asking our admin to check if there's any problem he can identify the problem but there hasn't been any outcome. I'm trying to figure out a possible reason and resolution before I ask our admin to check again.
By the way there's indeed a pretty big chance that it is an IIS issue since IIS 6 was reinstalled and reconfigured on the server a few weeks ago.
sicarie 4,677
Recognized Expert Moderator Specialist @200dogz
Ah, I see. So you don't have access to any sort of test IIS server either?
I'm sorry to say I think the resolution here will be to rework the code and request for a 'standard build' on servers so that re-installs won't affect the apps.
I did, however, ask other Mods/Experts to drop in and take a look, so maybe someone else will catch something I didn't.
NeoPa 32,572
Recognized Expert Moderator MVP
You may already realise this, but I think whatever the problem is, is something we don't know about yet.
As Sicarie says, I think you need to get the issue clarified internally (with your admin) before asking for help, as we're in no position really to see what may be wrong.
You may get lucky and find someone who has had something similar enough for them to recognise your problem and help, but otherwise there's not enough here to work on I'm afraid.
Good luck anyway.
Frinavale 9,735
Recognized Expert Moderator Expert
Where are you storing the reports?
As physical files on the server?
Or are you storing them in memory (in Session)?
If you're storing the files in Session, then it may be growing too large. This could cause the worker process to be recycled, you would lose the file along with anything else in Session. I'd recommend storing the files physically in a temporary folder instead.
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