[LON-CAPA-users] Never found end tag for <problem> current string

REX ABERT ABERTR at tcc.fl.edu
Mon Oct 15 16:41:38 EDT 2012

In my own experience, it is usually not the missing </problem> tag, as you have observed, but more likely mismatched quotation marks in strings, or a mismatched curly brace.


From: lon-capa-users-bounces at mail.lon-capa.org [lon-capa-users-bounces at mail.lon-capa.org] On Behalf Of Mills, Douglas G [dmills at illinois.edu]
Sent: Monday, October 15, 2012 11:48 AM
To: Discussion list for LON-CAPA users
Subject: [LON-CAPA-users] Never found end tag for <problem> current string

HI All,

I’ve been getting these errors from some of our resources. I know that’s not actually the problem since at the end of the “current string” is the </problem> endtag.  Along with these there are typically one or more messages along the lines of

Endredirection was called before a startredirection, perhaps you have unbalanced tags. Some debugging information:Apache::structuretags:/home/httpd/lib/perl//Apache/structuretags.pm:1199
This error occurred while processing part
The error occurred on host uiucaccess4

This error occurred on machine uiucaccess4

The code for these problems is quite long and complex and I despair of tracking down any unbalanced tags without any further clues. Can anyone point me in the direction of understanding, for example, what the “Some debugging information” information refers to and how I might be able to tap into that to figure out what’s going on?  Any other tips or advice on things like this?  I’m not getting any errors in the authoring space itself.


Douglas Mills
Director of Instructional Technologies
Department of Chemistry
University of Illinois
dmills at illinois.edu
(217) 244-5739

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