Requests stuck in RequestAquireState Module Name: Session

Question

I have an asp.net 4.0 website which runs in IIS 7. Starting a couple of days ago, a lot of requests were stuck in RequestAquireState.

Do you have any idea where I can start look into finding a solution for my problem ? In my code ? in IIS ? Have you ever encountered something like this ?

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Having a very similar issue - I can refresh a page in our app and it will alternate between taking 2 seconds and 102 seconds, with all the time being spent in REQUEST_AQUIRE_STATE! :/ — Danny Tuppeny, Jun 28 '12 at 17:21
I was not treating an exception correctly. After I fixed that it didn't reproduce anymore. I don't know what exactly fixed this but now it doesn't happen again. — Dorin, Jun 29 '12 at 07:10
Thanks for the info; in our case, we don't believe any of our code has been executed before the hang, but I'll try and confirm this. I posted more details here: http://stackoverflow.com/q/11250167/25124 — Danny Tuppeny, Jun 29 '12 at 10:42
Also, one other thing that might help is JetBrains dotTrace. An invaluable tool that will let you know exactly what line of code is taking how long (provided that you have the PDBs). — Saturn K, Jan 06 '15 at 00:19

score -1 · Answer 1 · answered Oct 20 '15 at 13:28

-1

It might be an IIS bug, see Issue 6 here.

answered Oct 20 '15 at 13:28

Dexion

1,101
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could have been. we don't get that anymore. But seems like very probable. – Dorin Oct 21 '15 at 12:36
The link leads to 404, able to elaborate what the bug was? – Bernd Linde Apr 01 '19 at 09:37
404 page not found – serge Jun 11 '19 at 16:48
I was having an exception inside a Task that was unhandled. From the request thread I was creating multiple Parallel.ForEach and one of the Tasks was failing and i was ignoring the exception. – Dorin Jun 12 '19 at 14:46

Requests stuck in RequestAquireState Module Name: Session

1 Answers1