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Posted by z56oo at Apr 4, 2026, 10:11:18 AM

Safari Forum access mvnForum Fatal Error Message
Recently, trying to access SH3D forum from Safari I had several times this message :

mvnForum Fatal Error Message : Cannot init system. Reason : Assertion in ForumUserServlet.

Whilst I can access it from Firefox (hopefully, it gives me the opportunity to do this post)

Any idea ?

Posted by Keet at Apr 4, 2026, 11:15:01 AM

Re: Safari Forum access mvnForum Fatal Error Message
That's not only with Safari. I (and I think everybody) had the same problem. Almost two days completely out. I tried 7 different Firefox versions on 4 different Linux systems. All out.
This is a serious problem, Without the forum there's no support.
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Dodecagon.nl
1300+ 3D models, manuals, and projects

Posted by z56oo at Apr 4, 2026, 6:01:20 PM

Re: Safari Forum access mvnForum Fatal Error Message
Thanks Keet, I feel less alone and that makes me feel good even if it doesn't help at all ! :-) Cheers

Posted by dorin at Apr 5, 2026, 6:46:13 PM

Re: Safari Forum access mvnForum Fatal Error Message
You are not alone cool

Connecting to the SH3D forum using Firefox doesn't work on either Linux or Android (mobile phone).
It works with Chrome on Android and probably on Linux as well (if you have it installed).
I'm currently writing this using Konqueror, an old KDE browser based on Mozilla.
It's surprising that they missed this one. biggrin

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A computer program does what you tell it to do, not what you want it to do. Murphy's Law
When all else fails, read the instructions. Murphy's Law
If you don't like "AS IS", DIY. Dorin's law

Posted by Keet at Apr 5, 2026, 7:16:38 PM

Re: Safari Forum access mvnForum Fatal Error Message
For now it seems to work with Firefox on Linux. Keeping fingers crossed because I will not use any other browser or OS.
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Dodecagon.nl
1300+ 3D models, manuals, and projects

Posted by sjb007 at Apr 5, 2026, 9:31:42 PM

Re: Safari Forum access mvnForum Fatal Error Message
Yeah, the forum has encountered issues several times lately.

"ForumUserServlet" suggests that this issue is occurring at the server side in the Java based WAS, and is not related to your browser.

mvnForum is ancient and no longer supported/developed so far as I can tell. It's surprising it hasn't already bit-rotted into unreliability before now. It could just be time to put it out of it's misery. I wouldn't hold my breath considering the current state of things.

Posted by sjb007 at Apr 6, 2026, 11:28:27 PM

Re: Safari Forum access mvnForum Fatal Error Message
Hmmm. Had it happen again just now. Deleting all the cookies for the sweethome3d.com domain fixed it for me. Try that if it happens again in the future.

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Apr 23, 2026, 7:01:38 AM