I'm one of the admins moitoring Pega for my clients and yesterday a user brought this error message to my attention.The error from within Internet explorer popup dialog box. When I google this error, I get a bunch of unauthorized messages.
The user has already typed in their credentials to login successfully, any thoughts on why Pega is asking for them again?
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Is this issue reproducible or was this a one-time event? I see this issue was reported twice in the last few years but the customers could not proceed in debugging their issue because it did not occur again. I would be interested in seeing the PegaRULES log and maybe we could determine why JBoss could not process the request and told IE to authenticate (or did something to make IE think it needed to authenticate). It would also be important to determine if the issue is IE-only.
With that said, I did see an article on JBoss forum and it happened to coincide with a comment made on one of the prior SRs in regards to Pega on Tomcat with Kerberos and an anomaly with "token which ends up being large".
The popup window isn't preventing the user from doignwork, it comes up and they can exit it out. I spoke with two users now and its comes up randomly after idle minutes. They are both "testers" and they are getting this error inside our development environment.
I will take a look at the website you provided and get back to you.