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9.6.1 DotNetNuke.dll debugging?

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ZieglerJ

New Around Here

Posts: 9

11/10/2025 11:07 AM

We are running 9.6.1 and the DNN_Platform_9.6.1_Symbols.zip file doesn't contain the pdb for it?

Something keeps calling SP dbo.UpdateUser and wiping out a single users first & last name when they are logon, every 20 min, not 18 or 19 or 21, 20 min within a second or 2. So I am try to figure out what could be calling DotNetNuke.Data.DataProvider.UpdateUser(...), that calls ExecuteNonQuery("UpdateUser",...). I know we could re-write the SP to stop it from setting this users name to "" but that doesn't seem like the correct or a good fix.

Thanks.

Daniel Valadas

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Posts: 349

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MVP

Engaged Reader

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11/10/2025 2:35 PM

If it happens on a precise timing, I would guess some Scheduled Task does it. Look for Scheduled Tasks that may have to relation to users, or disable them all and re-enable them one at a time until it happens to pinpoint which one is doing it.

The second thought is that by default 20 minutes is the normal time to keep an app alive if unused in IIS. So it could be something that happens on startup if it is not caused by any scheduled task.

I would certainly not edit any code that will be overridden upon upgrades and also I would work towards upgrading to latest DNN before even trying to pinpoint that bug.

ZieglerJ

New Around Here

Posts: 9

11/12/2025 10:09 AM

If it is a Scheduled Job, should it be logged in the ScheduleHistory table? So far, nothing has stranded out.

Daniel Valadas

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11/12/2025 2:25 PM

Well it depends how it was coded and stuff. But overall I would check if you have non-default items in Scheduler and turn them off to test if it still happens. Then if it fixes it, turn them one one at a time until the problem appears again and you have a clue about which might be doing it.

Mitchel Sellers

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Posts: 132

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11/13/2025 1:08 AM

If exactly at 20 minutes, you may want to look for any code that is session related or cache related in custom code as the standard timeouts are 20 minutes

ZieglerJ

New Around Here

Posts: 9

11/13/2025 9:55 AM

Looks like it is try to re-logon the user every 20 min. But we are only having one user first/last name switch to ''. I see in DotNetNuke.Security.PortalSecurity.InputFilter can change the string but still not sure why it would pick this one user to make '', if that is doing it.

Daniel Valadas

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11/13/2025 1:05 PM

I wonder if it could have something to do with ProfanityFilter.
If you run `SELECT * WHERE ListName = 'ProfanityFilter'`in sql console or SSMS, do you see similarities between that specific user name and anything in the results from that list? Or does the user name look like anything weird that may be confused with some javascript?

ZieglerJ

New Around Here

Posts: 9

11/13/2025 3:35 PM

In 9.6.1 DotNetNuke.Security.Membership.UpdateUser(UserInfo user) is using the below, so NoProfanity shouldn't be in play.

string firstName = objSecurity.InputFilter(user.FirstName,
PortalSecurity.FilterFlag.NoScripting |
PortalSecurity.FilterFlag.NoAngleBrackets |
PortalSecurity.FilterFlag.NoMarkup);
string lastName = objSecurity.InputFilter(user.LastName,
PortalSecurity.FilterFlag.NoScripting |
PortalSecurity.FilterFlag.NoAngleBrackets |
PortalSecurity.FilterFlag.NoMarkup);

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