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redirect loop problem

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Alberto - Informatica Veneta

New Member

Posts:

7/16/2013 8:01 PM

Hi everyone..

I have DNN 5.6.8 configured FUP 2.2.3 (aricie shared v 1.6.7) provider (plus Catalook module specific url provider) on a website, and I have a quite serious problem showing up at "random" intervals.

When I access the website home page, the site keeps on redirecting through the friendly and non friendly url, obviously causing a loop that makes the home page inaccessible.
Usually, loading the site adding a "new" parameter to the querystring makes the problem disappear, making the site functional for a random period of time (minutes to hours), after witch the problem represents.
I've yet to understand "when" the problem start occurring.. maybe when the application pool restarts/recycles or after an error occurs, but trying to manually restart the site from IIS doesn't actually trigger the problem.

Other pages doesn't seem to be affected by the problem, but since it's the home page the problem is even more serious.

Has anyone had this problem?

For a quick info on my configuration settings:

On demand lookup : true
Pessimistic lookup: true
UpperInvariantInStore: true

other options set to false.

As a side note, I've turned on debug logging, but I don't see any event generated.. where should they be located, inside admin -> event viewer page or what?

Thank you in advance,

Alberto.

samyb

New Member

Posts:

7/22/2013 5:09 PM

Hello Alberto,

Looking though the behaviors you describe, i don't really see any reason as to why FUP would start posing problems; are there any error logs or information logs regarding other points in the event log?

Regarding the event logging, the debug info entry needs to be activated in the event log in order to let the aricie logs through.
Just add the Debug info log type into the event viewer:

This should help us get information regarding the errors that may happen

Best regards,
Samy

Alberto - Informatica Veneta

New Member

Posts:

9/11/2013 5:26 PM

Hi everyone

sorry for the long delay, but the customer stopped reporting problems so I thought that a few changes in the FUP configurations resolved the issus.. fact is that it seems like problems was never resolved..

now..

I activated the debug Info events and incurred in a few redirect loop.. I have taken a screenshot of the Chrome console jumping between the standard and rewritten url for a site page, and inspecting the event log found a more than 120 rows regarding 301 redirects (over 8500 events collected in about 1,5 hours)

If useful, I could share the log files or provide a login to the problematic site to inspect the problem, or listen to any kind of advice..

Kind regards,

Alberto.

*EDIT : contrary as stated in the original post, inpecting the log revealed that also other pages seems to be affected by the problem.. by now the redirects happened only on the two pages containing catalook modules (the home page and the shop page), but it could be just a case given that these are widlely the most visited pages of the site

samyb

New Member

Posts:

9/12/2013 1:10 PM

Hello Alberto,

The logs would definitely be useful, since they will give us an idea of what redirections you are seeing. In any case, we would recommend switching to the next release of FUP; there were major changes that may fix the problem you've got regarding this behavior. We will let you know when the new version is officially available but you can already test it since it was released under an open source licence at http://ariciefup.codeplex.com

best regards,
Samy

Alberto - Informatica Veneta

New Member

Posts:

9/12/2013 1:30 PM

Hi Samy,

thanks for the quick reply..

Now on with the updates:

this morning I copied the application folder and database and replicated the same site I have online in my local machine, obtaining the same errors:

as a quick reference from my event log, when the redirect loop happens I have sequences of this 3 events:

DebugType: FUP
Name: 301 Redirect
Input Url: http://www.domain.com/Def....aspx?Language=it-IT
Rewritten Url: http://www.domain.com/it/home
Referrer:
Thread Id: 35
Thread Culture: en-US
AppDomain Id: 3
Process Id: 5836
Debug Processing TimeStamp: 2013, giovedì, settembre 12, 11:42:50.5842814
Debug Processing Duration: 0 d 0 h 0 mn 0 s 0 ms 34 µs
Nome server: HP-ALBERTO

12/09/2013 11:42:50 Debug Info DebugType: FUP; Name: Persisting updates to DB; ...

DebugType: FUP
Name: Persisting updates to DB
nb new mappings: 0
nb mapping updates: 0
nb mappings deleted: 0
nb DB operations: 0
Thread Id: 26
Thread Culture: en-US
AppDomain Id: 3
Process Id: 5836
Debug Processing TimeStamp: 2013, giovedì, settembre 12, 11:42:50.5792988
Debug Processing Duration: 0 d 0 h 0 mn 0 s 0 ms 14 µs
Nome server: HP-ALBERTO

12/09/2013 11:42:50 Debug Info DebugType: FUP; Name: Persisting updates to DB; ...

DebugType: FUP
Name: Persisting updates to DB
nb new mappings: 0
nb mapping updates: 0
nb mappings deleted: 0
nb DB operations: 0
Thread Id: 29
Thread Culture: en-US
AppDomain Id: 3
Process Id: 5836
Debug Processing TimeStamp: 2013, giovedì, settembre 12, 11:42:50.5742974
Debug Processing Duration: 0 d 0 h 0 mn 0 s 0 ms 15 µs
Nome server: HP-ALBERTO

the 3 events are repeated for each redirect that happens before the browser gives up with a redirect loop.. If you need the full log just provide me a way to share it..

Now I'm trying to change configurations but with no result

I'll will try the updated version.. does it have a minimum DNN version requirement? Do I have to update the aricie shared also?

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