Odd Error

[Brian McMurray]

Some of our clients are suddenly getting an odd error when they try to open one of our iShell projects.  This doesn't happen for many at all - but we've had a few different ones report this lately.  Does anyone have any experience with or know why iShell would throw this error - or make Windows throw this error:

"Unknown Error (12039)"

When we looked it up it in the windows error codes it gave us this:

ERROR_INTERNET_HTTP_TO_HTTPS_ON_REDIR

12039

The application is moving from a non-SSL to an SSL connection because of a redirect.

But I can't find anywhere in our code that that is happening so it's odd.  I'll keep looking but just thought I'd check and see if anyone else had dealt with this in Windows at all before.  SEems to happen in XP - but it happens on both Service Pack 2 and 3.

-Brian

Brian McMurray

Creative Director

Opus Communications, Inc.

Training people like to take.

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[Tracy Valleau]

Judging by your descriptions, it wouldn't likely be in your code.

If you've been accessing some external site via http, then it appears that said site changed the page to https.

or not?

Tracy

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[Lloyd Sharp]

hi

Could it be a proxy server on their network - or via their isp etc.?

I have come across similar errors with our network apps under those conditions - lots of businesses, schools, educational and government institutions use them.

Also if the server is in a server cluster - a single one that is misconfigured can throw up that type of error too as the load cycles around to it.

I had one project which repeatedly threw errors but only about every 2-3 minutes or when the network was really busy as the load got distributed to the various servers and hit that one badly configured one with a single request.

Does it happen on vista/win7/MacOS on the same network location?

Does it happen only on that 1 single machine? or all machines on that network?

Ideally if you can get that machine onto another network - or another machine like a laptop onto that network to test it - it might help diagnose it too.

note - I use a laptop with about 5 operating systems on it to test stuff on location to save pointless client talking time if problems persist :)

That can be difficult obviously for some remote situations.

lloyd

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[Brian McMurray]

Tracy,

Yeah I figure that's what it's doing but I can't figure out where or how that is happening... and it's odd that that would throw an error at all.  "WARNING, THE PAGE IS SECURE!!!"  - huh?

-Brian

[Brian McMurray]

Lloyd,

Definitely could be something there - they claim there are no firewalls involved in any of the locations and in SOME of the locations they are able to get on on one computer but not another.  WE can't duplicate the error here at all on our multiple operating systems but all the people calling in have had XP only.

To make it even crazier this WAS working before and suddenly stopped working.  It's almost like there was a windows update that hurt things - which is entirely possible.  I'm trying a couple of things to see if I can get it going but I'm not holding my breath.

Thanks!

-Brian

[Tracy Valleau]

are you pinging something to check for internet access?

T

[Brian McMurray]

Nope - just switching to an .xd document.  I am assuming that our HTACCESS redirect is hitting it and changing it somehow and that is what I'm looking to fix with it here shortly if I can confirm that's the problem - however like I say, it's odd that that was not a problem before on these computers and then it started popping up.  And it only happens in 4 locations right now out of about 1,000.

It's very odd.

-Brian

[Lloyd Sharp]

you would be surprised at how many isp's or network suppliers use squid or similar proxies to help with network traffic load and don't tell their clients.

just an option to think about. I hate them with a vengeance... many wasted hours trying to fix things at our end that are simply other peoples misconfigured servers...

lloyd